RocketPuppy · October 7, 2018 17:55
diff --git a/logs.txt b/logs.txt
 Oct 07 16:40:40 kafka-0 systemd[1]: Started Apache Connect Distributed.
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,422] INFO Kafka Connect distributed worker initializing ... (org.apache.kafka.connect.cli.ConnectDistributed)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,454] INFO WorkerInfo values:
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         jvm.args = -Xms128M, -Xmx512M, -XX:+UseG1GC, -XX:MaxGCPauseMillis=20, -XX:InitiatingHeapOccupancyPercent=35, -XX:+ExplicitGCInvokesConcurrent, -Djava.awt.headless=true, -Dcom.sun.management.jmxremote, -Dcom.sun.management.jmxremote.authenticate=false, -Dcom.sun.management.jmxremote.ssl=false, -Dkafka.logs.dir=/tmp/apache-kafka-logs, -Dlog4j.configuration=file:/nix/store/5rwwb8avbk3pnp44njz68cs748lz0lwy-log4j.properties
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         jvm.spec = Oracle Corporation, OpenJDK 64-Bit Server VM, 1.8.0_181, 25.181-b13
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         jvm.classpath = /nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/activation-1.1.1.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/aopalliance-repackaged-2.5.0-b42.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/argparse4j-0.7.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/audience-annotations-0.5.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/commons-lang3-3.5.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-api-2.0.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-basic-auth-extension-2.0.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-file-2.0.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-json-2.0.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-runtime-2.0.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-transforms-2.0.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/guava-20.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/hk2-api-2.5.0-b42.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/hk2-locator-2.5.0-b42.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/hk2-utils-2.5.0-b42.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-annotations-2.9.6.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-core-2.9.6.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-databind-2.9.6.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-base-2.9.6.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-json-provider-2.9.6.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-module-jaxb-annotations-2.9.6.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javassist-3.22.0-CR2.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javax.annotation-api-1.2.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javax.inject-1.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javax.inject-2.5.0-b42.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javax.servlet-api-3.1.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javax.ws.rs-api-2.1.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jaxb-api-2.3.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-client-2.27.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-common-2.27.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-2.27.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-core-2.27.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-hk2-2.27.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-media-jaxb-2.27.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-server-2.27.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-client-9.4.11.v20180605.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-continuation-9.4.11.v20180605.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-http-9.4.11.v20180605.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-io-9.4.11.v20180605.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-security-9.4.11.v20180605.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-server-9.4.11.v20180605.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-servlet-9.4.11.v20180605.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-servlets-9.4.11.v20180605.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-util-9.4.11.v20180605.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jopt-simple-5.0.4.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-clients-2.0.0.jar:/nix/store/yjkwxvwyc92k6v5imrj6jw0k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 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         os.spec = Linux, amd64, 4.14.35
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         os.vcpus = 1
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:  (org.apache.kafka.connect.runtime.WorkerInfo)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,456] INFO Scanning for plugin classes. This might take a moment ... (org.apache.kafka.connect.cli.ConnectDistributed)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,609] DEBUG going to scan these urls:
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-json-provider-2.9.6.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/metrics-core-2.2.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/zookeeper-3.4.13.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-transforms-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-servlets-9.4.11.v20180605.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jaxb-api-2.3.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/aopalliance-repackaged-2.5.0-b42.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-client-9.4.11.v20180605.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jopt-simple-5.0.4.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/osgi-resource-locator-1.0.1.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-module-jaxb-annotations-2.9.6.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-clients-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-test-utils-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-2.27.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/plexus-utils-3.1.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-log4j-appender-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-server-9.4.11.v20180605.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-security-9.4.11.v20180605.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-json-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-scala_2.12-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-core-2.9.6.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/scala-reflect-2.12.6.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javax.inject-2.5.0-b42.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/hk2-locator-2.5.0-b42.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/activation-1.1.1.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/maven-artifact-3.5.3.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-http-9.4.11.v20180605.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/scala-library-2.12.6.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-file-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javax.servlet-api-3.1.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-media-jaxb-2.27.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/commons-lang3-3.5.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javax.inject-1.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-examples-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-util-9.4.11.v20180605.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-common-2.27.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/audience-annotations-0.5.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/rocksdbjni-5.7.3.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-api-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-continuation-9.4.11.v20180605.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/slf4j-api-1.7.25.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/hk2-utils-2.5.0-b42.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-io-9.4.11.v20180605.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-annotations-2.9.6.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-base-2.9.6.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-servlet-9.4.11.v20180605.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javassist-3.22.0-CR2.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/zkclient-0.10.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/validation-api-1.1.0.Final.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/slf4j-log4j12-1.7.25.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/lz4-java-1.4.1.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/scala-logging_2.12-3.9.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/argparse4j-0.7.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/snappy-java-1.1.7.1.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javax.annotation-api-1.2.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-basic-auth-extension-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/hk2-api-2.5.0-b42.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/javax.ws.rs-api-2.1.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-hk2-2.27.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-server-2.27.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/reflections-0.9.11.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/guava-20.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-databind-2.9.6.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-runtime-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-tools-2.0.0.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-client-2.27.jar
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-core-2.27.jar (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,616] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-json-provider-2.9.6.jar (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,635] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-json-provider-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,641] DEBUG could not scan file META-INF/LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-json-provider-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/LICENSE
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 54686973
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,644] DEBUG could not scan file META-INF/NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-json-provider-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/NOTICE
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 23204a61
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,648] DEBUG could not scan file META-INF/maven/com.fasterxml.jackson.jaxrs/jackson-jaxrs-json-provider/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-json-provider-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.fasterxml.jackson.jaxrs/jackson-jaxrs-json-provider/pom.properties
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2347656e
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,651] DEBUG could not scan file META-INF/maven/com.fasterxml.jackson.jaxrs/jackson-jaxrs-json-provider/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-json-provider-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.fasterxml.jackson.jaxrs/jackson-jaxrs-json-provider/pom.xml
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c3f786d
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,653] DEBUG could not scan file META-INF/services/javax.ws.rs.ext.MessageBodyReader in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-json-provider-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/services/javax.ws.rs.ext.MessageBodyReader
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from javax.ws.rs.ext.MessageBodyReader
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 636f6d2e
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,654] DEBUG could not scan file META-INF/services/javax.ws.rs.ext.MessageBodyWriter in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-jaxrs-json-provider-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/services/javax.ws.rs.ext.MessageBodyWriter
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from javax.ws.rs.ext.MessageBodyWriter
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 636f6d2e
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,719] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/metrics-core-2.2.0.jar (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,727] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/metrics-core-2.2.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,836] DEBUG could not scan file META-INF/maven/com.yammer.metrics/metrics-core/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/metrics-core-2.2.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.yammer.metrics/metrics-core/pom.xml
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c3f786d
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,839] DEBUG could not scan file META-INF/maven/com.yammer.metrics/metrics-core/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/metrics-core-2.2.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.yammer.metrics/metrics-core/pom.properties
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2347656e
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,847] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/zookeeper-3.4.13.jar (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,848] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/zookeeper-3.4.13.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:44,850] DEBUG could not scan file LICENSE.txt in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/zookeeper-3.4.13.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file LICENSE.txt
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE.txt
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a202020
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:44 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,048] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-transforms-2.0.0.jar (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,060] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-transforms-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,072] DEBUG could not scan file LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-transforms-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file LICENSE
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a202020
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,086] DEBUG could not scan file NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-transforms-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file NOTICE
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 41706163
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,088] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-servlets-9.4.11.v20180605.jar (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,096] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-servlets-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,098] DEBUG could not scan file about.html in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-servlets-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file about.html
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from about.html
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c21444f
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,108] DEBUG could not scan file META-INF/maven/org.eclipse.jetty/jetty-servlets/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-servlets-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.eclipse.jetty/jetty-servlets/pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c3f786d
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,113] DEBUG could not scan file META-INF/maven/org.eclipse.jetty/jetty-servlets/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-servlets-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.eclipse.jetty/jetty-servlets/pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 23437265
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,126] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jaxb-api-2.3.0.jar (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,127] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jaxb-api-2.3.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,131] DEBUG could not scan file META-INF/LICENSE.txt in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jaxb-api-2.3.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/LICENSE.txt
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE.txt
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 434f4d4d
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,134] DEBUG could not scan file javax/xml/bind/helpers/Messages.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jaxb-api-2.3.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file javax/xml/bind/helpers/Messages.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Messages.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 230a2320
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,157] DEBUG could not scan file javax/xml/bind/Messages.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jaxb-api-2.3.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file javax/xml/bind/Messages.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Messages.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 230a2320
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,159] DEBUG could not scan file javax/xml/bind/util/Messages.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jaxb-api-2.3.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file javax/xml/bind/util/Messages.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Messages.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 230a2320
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,160] DEBUG could not scan file module-info.class in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jaxb-api-2.3.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file module-info.class
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from module-info.class
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: invalid constant type: 19 at 5
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ConstPool.readOne(ConstPool.java:1244)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ConstPool.read(ConstPool.java:1175)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ConstPool.<init>(ConstPool.java:185)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:839)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,162] DEBUG could not scan file META-INF/maven/javax.xml.bind/jaxb-api/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jaxb-api-2.3.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/javax.xml.bind/jaxb-api/pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c3f786d
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,164] DEBUG could not scan file META-INF/maven/javax.xml.bind/jaxb-api/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jaxb-api-2.3.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/javax.xml.bind/jaxb-api/pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2347656e
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,165] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/aopalliance-repackaged-2.5.0-b42.jar (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,166] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/aopalliance-repackaged-2.5.0-b42.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,169] DEBUG could not scan file META-INF/maven/org.glassfish.hk2.external/aopalliance-repackaged/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/aopalliance-repackaged-2.5.0-b42.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.glassfish.hk2.external/aopalliance-repackaged/pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c3f786d
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,170] DEBUG could not scan file META-INF/maven/org.glassfish.hk2.external/aopalliance-repackaged/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/aopalliance-repackaged-2.5.0-b42.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.glassfish.hk2.external/aopalliance-repackaged/pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2347656e
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,172] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-client-9.4.11.v20180605.jar (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,173] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-client-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,174] DEBUG could not scan file about.html in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-client-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file about.html
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from about.html
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c21444f
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,205] DEBUG could not scan file META-INF/maven/org.eclipse.jetty/jetty-client/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-client-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.eclipse.jetty/jetty-client/pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c70726f
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,245] DEBUG could not scan file META-INF/maven/org.eclipse.jetty/jetty-client/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-client-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.eclipse.jetty/jetty-client/pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 23437265
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,256] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jopt-simple-5.0.4.jar (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,257] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jopt-simple-5.0.4.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,259] DEBUG could not scan file META-INF/maven/net.sf.jopt-simple/jopt-simple/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jopt-simple-5.0.4.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/net.sf.jopt-simple/jopt-simple/pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2347656e
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,260] DEBUG could not scan file META-INF/maven/net.sf.jopt-simple/jopt-simple/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jopt-simple-5.0.4.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/net.sf.jopt-simple/jopt-simple/pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c70726f
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,262] DEBUG could not scan file joptsimple/ExceptionMessages.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jopt-simple-5.0.4.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file joptsimple/ExceptionMessages.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ExceptionMessages.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 6a6f7074
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,263] DEBUG could not scan file joptsimple/HelpFormatterMessages.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jopt-simple-5.0.4.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file joptsimple/HelpFormatterMessages.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from HelpFormatterMessages.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 6a6f7074
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,275] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/osgi-resource-locator-1.0.1.jar (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,275] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/osgi-resource-locator-1.0.1.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,278] DEBUG could not scan file META-INF/maven/org.glassfish.hk2/osgi-resource-locator/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/osgi-resource-locator-1.0.1.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.glassfish.hk2/osgi-resource-locator/pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c3f786d
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,280] DEBUG could not scan file META-INF/maven/org.glassfish.hk2/osgi-resource-locator/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/osgi-resource-locator-1.0.1.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.glassfish.hk2/osgi-resource-locator/pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2347656e
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,286] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-module-jaxb-annotations-2.9.6.jar (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,287] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-module-jaxb-annotations-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,288] DEBUG could not scan file META-INF/maven/com.fasterxml.jackson.module/jackson-module-jaxb-annotations/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-module-jaxb-annotations-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.fasterxml.jackson.module/jackson-module-jaxb-annotations/pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2347656e
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,289] DEBUG could not scan file META-INF/maven/com.fasterxml.jackson.module/jackson-module-jaxb-annotations/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-module-jaxb-annotations-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.fasterxml.jackson.module/jackson-module-jaxb-annotations/pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c3f786d
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,291] DEBUG could not scan file META-INF/services/com.fasterxml.jackson.databind.Module in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-module-jaxb-annotations-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/services/com.fasterxml.jackson.databind.Module
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from com.fasterxml.jackson.databind.Module
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 636f6d2e
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,294] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-clients-2.0.0.jar (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:45,295] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-clients-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:45 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,027] DEBUG could not scan file META-INF/services/org.apache.kafka.common.config.provider.ConfigProvider in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-clients-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/services/org.apache.kafka.common.config.provider.ConfigProvider
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from org.apache.kafka.common.config.provider.ConfigProvider
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2023204c
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,031] DEBUG could not scan file LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-clients-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a202020
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,031] DEBUG could not scan file NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-clients-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 41706163
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,031] DEBUG could not scan file kafka/kafka-version.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-clients-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/kafka-version.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from kafka-version.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 636f6d6d
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,034] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-test-utils-2.0.0.jar (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,035] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-test-utils-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,047] DEBUG could not scan file LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-test-utils-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a202020
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,049] DEBUG could not scan file NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-test-utils-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 41706163
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,050] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-2.27.jar (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,052] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-2.27.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,053] DEBUG could not scan file META-INF/maven/org.glassfish.jersey.containers/jersey-container-servlet/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-2.27.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.glassfish.jersey.containers/jersey-container-servlet/pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2347656e
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,054] DEBUG could not scan file META-INF/maven/org.glassfish.jersey.containers/jersey-container-servlet/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-2.27.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.glassfish.jersey.containers/jersey-container-servlet/pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c3f786d
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,056] DEBUG could not scan file META-INF/services/javax.servlet.ServletContainerInitializer in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-2.27.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/services/javax.servlet.ServletContainerInitializer
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from javax.servlet.ServletContainerInitializer
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 6f72672e
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,057] DEBUG could not scan file META-INF/services/org.glassfish.jersey.servlet.spi.AsyncContextDelegateProvider in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-2.27.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/services/org.glassfish.jersey.servlet.spi.AsyncContextDelegateProvider
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from org.glassfish.jersey.servlet.spi.AsyncContextDelegateProvider
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 6f72672e
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,057] DEBUG could not scan file META-INF/services/org.glassfish.jersey.servlet.spi.FilterUrlMappingsProvider in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-2.27.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/services/org.glassfish.jersey.servlet.spi.FilterUrlMappingsProvider
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from org.glassfish.jersey.servlet.spi.FilterUrlMappingsProvider
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 6f72672e
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,058] DEBUG could not scan file org/glassfish/jersey/servlet/init/internal/localization.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jersey-container-servlet-2.27.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file org/glassfish/jersey/servlet/init/internal/localization.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from localization.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 230a2320
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,061] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/plexus-utils-3.1.0.jar (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,062] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/plexus-utils-3.1.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,064] DEBUG could not scan file licenses/extreme.indiana.edu.license.TXT in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/plexus-utils-3.1.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file licenses/extreme.indiana.edu.license.TXT
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from extreme.indiana.edu.license.TXT
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 496e6469
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,065] DEBUG could not scan file licenses/javolution.license.TXT in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/plexus-utils-3.1.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file licenses/javolution.license.TXT
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from javolution.license.TXT
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4a61766f
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,076] DEBUG could not scan file licenses/thoughtworks.TXT in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/plexus-utils-3.1.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file licenses/thoughtworks.TXT
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from thoughtworks.TXT
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a2f2a2a
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,078] DEBUG could not scan file META-INF/LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/plexus-utils-3.1.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a202020
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,079] DEBUG could not scan file META-INF/NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/plexus-utils-3.1.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 54686973
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,100] DEBUG could not scan file META-INF/maven/org.codehaus.plexus/plexus-utils/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/plexus-utils-3.1.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.codehaus.plexus/plexus-utils/pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c3f786d
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,106] DEBUG could not scan file META-INF/maven/org.codehaus.plexus/plexus-utils/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/plexus-utils-3.1.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.codehaus.plexus/plexus-utils/pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2347656e
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,108] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-log4j-appender-2.0.0.jar (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,108] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-log4j-appender-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,110] DEBUG could not scan file LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-log4j-appender-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a202020
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,123] DEBUG could not scan file NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-log4j-appender-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 41706163
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,124] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-server-9.4.11.v20180605.jar (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,125] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-server-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,126] DEBUG could not scan file about.html in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-server-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file about.html
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from about.html
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c21444f
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,132] DEBUG could not scan file org/eclipse/jetty/favicon.ico in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-server-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file org/eclipse/jetty/favicon.ico
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from favicon.ico
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 100
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,183] DEBUG could not scan file META-INF/maven/org.eclipse.jetty/jetty-server/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-server-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.eclipse.jetty/jetty-server/pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c70726f
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,189] DEBUG could not scan file META-INF/maven/org.eclipse.jetty/jetty-server/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-server-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.eclipse.jetty/jetty-server/pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 23437265
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,217] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-security-9.4.11.v20180605.jar (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,218] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-security-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,219] DEBUG could not scan file about.html in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-security-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file about.html
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from about.html
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c21444f
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,221] DEBUG could not scan file META-INF/maven/org.eclipse.jetty/jetty-security/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-security-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.eclipse.jetty/jetty-security/pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c70726f
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,227] DEBUG could not scan file META-INF/maven/org.eclipse.jetty/jetty-security/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jetty-security-9.4.11.v20180605.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/org.eclipse.jetty/jetty-security/pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 23437265
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,238] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-json-2.0.0.jar (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,239] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-json-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,243] DEBUG could not scan file LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-json-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a202020
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,246] DEBUG could not scan file NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/connect-json-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 41706163
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,247] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-scala_2.12-2.0.0.jar (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,248] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-scala_2.12-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,268] DEBUG could not scan file LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-scala_2.12-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a202020
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,273] DEBUG could not scan file NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka-streams-scala_2.12-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 41706163
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,274] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,275] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,286] DEBUG could not scan file META-INF/LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a202020
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,295] DEBUG could not scan file META-INF/NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 41706163
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,299] DEBUG could not scan file META-INF/maven/log4j/log4j/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/log4j/log4j/pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2347656e
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,301] DEBUG could not scan file META-INF/maven/log4j/log4j/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/log4j/log4j/pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c212d2d
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,393] DEBUG could not scan file org/apache/log4j/lf5/config/defaultconfig.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file org/apache/log4j/lf5/config/defaultconfig.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from defaultconfig.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 23204c69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,485] DEBUG could not scan file org/apache/log4j/lf5/viewer/images/channelexplorer_new.gif in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file org/apache/log4j/lf5/viewer/images/channelexplorer_new.gif
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from channelexplorer_new.gif
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 47494638
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,523] DEBUG could not scan file org/apache/log4j/lf5/viewer/images/channelexplorer_satellite.gif in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file org/apache/log4j/lf5/viewer/images/channelexplorer_satellite.gif
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from channelexplorer_satellite.gif
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 47494638
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,526] DEBUG could not scan file org/apache/log4j/lf5/viewer/images/lf5_small_icon.gif in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file org/apache/log4j/lf5/viewer/images/lf5_small_icon.gif
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from lf5_small_icon.gif
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 47494638
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,568] DEBUG could not scan file org/apache/log4j/xml/log4j.dtd in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/log4j-1.2.17.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file org/apache/log4j/xml/log4j.dtd
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from log4j.dtd
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c3f786d
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,577] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-core-2.9.6.jar (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,586] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-core-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,587] DEBUG could not scan file META-INF/LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-core-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 54686973
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,589] DEBUG could not scan file META-INF/NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-core-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 23204a61
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,590] DEBUG could not scan file META-INF/maven/com.fasterxml.jackson.core/jackson-core/pom.properties in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-core-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.fasterxml.jackson.core/jackson-core/pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.properties
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2347656e
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,592] DEBUG could not scan file META-INF/maven/com.fasterxml.jackson.core/jackson-core/pom.xml in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-core-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/maven/com.fasterxml.jackson.core/jackson-core/pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from pom.xml
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c70726f
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,596] DEBUG could not scan file META-INF/services/com.fasterxml.jackson.core.JsonFactory in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/jackson-core-2.9.6.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/services/com.fasterxml.jackson.core.JsonFactory
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from com.fasterxml.jackson.core.JsonFactory
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 636f6d2e
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,647] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0.jar (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:46,649] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:46 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,030] DEBUG could not scan file LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file LICENSE
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a202020
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,035] DEBUG could not scan file NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file NOTICE
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 41706163
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,037] DEBUG [Thread[org.reflections-scanner-0,5,main]] scanning file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,038] DEBUG could not scan file META-INF/MANIFEST.MF in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file META-INF/MANIFEST.MF
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MANIFEST.MF
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 4d616e69
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,040] DEBUG could not scan file LICENSE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file LICENSE
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LICENSE
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: a202020
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,042] DEBUG could not scan file NOTICE in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file NOTICE
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NOTICE
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 41706163
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,043] DEBUG could not scan file kafka/admin/AclCommand.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/AclCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from AclCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,045] DEBUG could not scan file kafka/admin/AdminClient.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/AdminClient.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from AdminClient.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,046] DEBUG could not scan file kafka/admin/AdminOperationException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/AdminOperationException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from AdminOperationException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,048] DEBUG could not scan file kafka/admin/AdminUtils.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/AdminUtils.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from AdminUtils.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,050] DEBUG could not scan file kafka/admin/BrokerApiVersionsCommand.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/BrokerApiVersionsCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from BrokerApiVersionsCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,051] DEBUG could not scan file kafka/admin/BrokerMetadata.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/BrokerMetadata.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from BrokerMetadata.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,052] DEBUG could not scan file kafka/admin/ConfigCommand.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/ConfigCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ConfigCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,054] DEBUG could not scan file kafka/admin/ConsumerGroupCommand.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/ConsumerGroupCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ConsumerGroupCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,056] DEBUG could not scan file kafka/admin/DelegationTokenCommand.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/DelegationTokenCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelegationTokenCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,057] DEBUG could not scan file kafka/admin/DeleteRecordsCommand.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/DeleteRecordsCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DeleteRecordsCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,063] DEBUG could not scan file kafka/admin/LogDirsCommand.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/LogDirsCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LogDirsCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,065] DEBUG could not scan file kafka/admin/PreferredReplicaLeaderElectionCommand.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/PreferredReplicaLeaderElectionCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from PreferredReplicaLeaderElectionCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,067] DEBUG could not scan file kafka/admin/RackAwareMode.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/RackAwareMode.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from RackAwareMode.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,068] DEBUG could not scan file kafka/admin/ReassignPartitionsCommand.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/ReassignPartitionsCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ReassignPartitionsCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,070] DEBUG could not scan file kafka/admin/TopicCommand.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/TopicCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TopicCommand.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,073] DEBUG could not scan file kafka/admin/ZkSecurityMigrator.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/admin/ZkSecurityMigrator.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ZkSecurityMigrator.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,078] DEBUG could not scan file kafka/api/ApiUtils.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/api/ApiUtils.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ApiUtils.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,080] DEBUG could not scan file kafka/api/ApiVersion.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/api/ApiVersion.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ApiVersion.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,082] DEBUG could not scan file kafka/api/LeaderAndIsr.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/api/LeaderAndIsr.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LeaderAndIsr.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,084] DEBUG could not scan file kafka/api/Request.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/api/Request.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Request.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,087] DEBUG could not scan file kafka/cluster/Broker.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/cluster/Broker.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Broker.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,088] DEBUG could not scan file kafka/cluster/BrokerEndPoint.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/cluster/BrokerEndPoint.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from BrokerEndPoint.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,090] DEBUG could not scan file kafka/cluster/Cluster.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/cluster/Cluster.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Cluster.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,091] DEBUG could not scan file kafka/cluster/EndPoint.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/cluster/EndPoint.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from EndPoint.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,093] DEBUG could not scan file kafka/cluster/Partition.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/cluster/Partition.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Partition.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,095] DEBUG could not scan file kafka/cluster/Replica.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/cluster/Replica.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Replica.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,097] DEBUG could not scan file kafka/common/AdminCommandFailedException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/AdminCommandFailedException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from AdminCommandFailedException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,098] DEBUG could not scan file kafka/common/AppInfo.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/AppInfo.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from AppInfo.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,107] DEBUG could not scan file kafka/common/BaseEnum.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/BaseEnum.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from BaseEnum.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,109] DEBUG could not scan file kafka/common/BrokerEndPointNotAvailableException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/BrokerEndPointNotAvailableException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from BrokerEndPointNotAvailableException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,110] DEBUG could not scan file kafka/common/ClientIdAndBroker.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/ClientIdAndBroker.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ClientIdAndBroker.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 7061636b
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,112] DEBUG could not scan file kafka/common/ClientIdAndTopic.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/ClientIdAndTopic.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ClientIdAndTopic.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,114] DEBUG could not scan file kafka/common/Config.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/Config.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Config.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,115] DEBUG could not scan file kafka/common/GenerateBrokerIdException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/GenerateBrokerIdException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from GenerateBrokerIdException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,127] DEBUG could not scan file kafka/common/InconsistentBrokerIdException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/InconsistentBrokerIdException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from InconsistentBrokerIdException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,128] DEBUG could not scan file kafka/common/IndexOffsetOverflowException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/IndexOffsetOverflowException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from IndexOffsetOverflowException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,130] DEBUG could not scan file kafka/common/InterBrokerSendThread.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/InterBrokerSendThread.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from InterBrokerSendThread.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,131] DEBUG could not scan file kafka/common/KafkaException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/KafkaException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,133] DEBUG could not scan file kafka/common/LogCleaningAbortedException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/LogCleaningAbortedException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LogCleaningAbortedException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,134] DEBUG could not scan file kafka/common/LogSegmentOffsetOverflowException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/LogSegmentOffsetOverflowException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LogSegmentOffsetOverflowException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,136] DEBUG could not scan file kafka/common/LongRef.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/LongRef.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LongRef.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,138] DEBUG could not scan file kafka/common/MessageFormatter.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/MessageFormatter.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MessageFormatter.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,139] DEBUG could not scan file kafka/common/MessageReader.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/MessageReader.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MessageReader.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,141] DEBUG could not scan file kafka/common/NoEpochForPartitionException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/NoEpochForPartitionException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from NoEpochForPartitionException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,142] DEBUG could not scan file kafka/common/OffsetMetadataAndError.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/OffsetMetadataAndError.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from OffsetMetadataAndError.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,144] DEBUG could not scan file kafka/common/OffsetsOutOfOrderException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/OffsetsOutOfOrderException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from OffsetsOutOfOrderException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,145] DEBUG could not scan file kafka/common/StateChangeFailedException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/StateChangeFailedException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from StateChangeFailedException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,147] DEBUG could not scan file kafka/common/ThreadShutdownException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/ThreadShutdownException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ThreadShutdownException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,154] DEBUG could not scan file kafka/common/TopicAlreadyMarkedForDeletionException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/TopicAlreadyMarkedForDeletionException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TopicAlreadyMarkedForDeletionException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,155] DEBUG could not scan file kafka/common/TopicAndPartition.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/TopicAndPartition.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TopicAndPartition.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 7061636b
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,157] DEBUG could not scan file kafka/common/UnexpectedAppendOffsetException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/UnexpectedAppendOffsetException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from UnexpectedAppendOffsetException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,159] DEBUG could not scan file kafka/common/UnknownCodecException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/UnknownCodecException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from UnknownCodecException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,161] DEBUG could not scan file kafka/common/ZkNodeChangeNotificationListener.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/common/ZkNodeChangeNotificationListener.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ZkNodeChangeNotificationListener.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,163] DEBUG could not scan file kafka/consumer/BaseConsumerRecord.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/consumer/BaseConsumerRecord.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from BaseConsumerRecord.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,165] DEBUG could not scan file kafka/controller/ControllerChannelManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/controller/ControllerChannelManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ControllerChannelManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,168] DEBUG could not scan file kafka/controller/ControllerContext.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/controller/ControllerContext.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ControllerContext.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,169] DEBUG could not scan file kafka/controller/ControllerEventManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/controller/ControllerEventManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ControllerEventManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,171] DEBUG could not scan file kafka/controller/ControllerState.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/controller/ControllerState.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ControllerState.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,172] DEBUG could not scan file kafka/controller/KafkaController.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/controller/KafkaController.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaController.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,174] DEBUG could not scan file kafka/controller/PartitionStateMachine.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/controller/PartitionStateMachine.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from PartitionStateMachine.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,175] DEBUG could not scan file kafka/controller/ReplicaStateMachine.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/controller/ReplicaStateMachine.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ReplicaStateMachine.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,177] DEBUG could not scan file kafka/controller/StateChangeLogger.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/controller/StateChangeLogger.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from StateChangeLogger.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,178] DEBUG could not scan file kafka/controller/TopicDeletionManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/controller/TopicDeletionManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TopicDeletionManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,180] DEBUG could not scan file kafka/coordinator/group/DelayedHeartbeat.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/group/DelayedHeartbeat.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelayedHeartbeat.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,181] DEBUG could not scan file kafka/coordinator/group/DelayedJoin.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/group/DelayedJoin.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelayedJoin.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,183] DEBUG could not scan file kafka/coordinator/group/GroupCoordinator.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/group/GroupCoordinator.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from GroupCoordinator.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,185] DEBUG could not scan file kafka/coordinator/group/GroupMetadata.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/group/GroupMetadata.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from GroupMetadata.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,187] DEBUG could not scan file kafka/coordinator/group/GroupMetadataManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/group/GroupMetadataManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from GroupMetadataManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,188] DEBUG could not scan file kafka/coordinator/group/MemberMetadata.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/group/MemberMetadata.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MemberMetadata.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,191] DEBUG could not scan file kafka/coordinator/group/OffsetConfig.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/group/OffsetConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from OffsetConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,192] DEBUG could not scan file kafka/coordinator/transaction/DelayedTxnMarker.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/transaction/DelayedTxnMarker.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelayedTxnMarker.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,195] DEBUG could not scan file kafka/coordinator/transaction/ProducerIdManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/transaction/ProducerIdManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ProducerIdManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,197] DEBUG could not scan file kafka/coordinator/transaction/TransactionCoordinator.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/transaction/TransactionCoordinator.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TransactionCoordinator.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,198] DEBUG could not scan file kafka/coordinator/transaction/TransactionLog.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/transaction/TransactionLog.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TransactionLog.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,200] DEBUG could not scan file kafka/coordinator/transaction/TransactionMarkerChannelManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/transaction/TransactionMarkerChannelManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TransactionMarkerChannelManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,201] DEBUG could not scan file kafka/coordinator/transaction/TransactionMarkerRequestCompletionHandler.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/transaction/TransactionMarkerRequestCompletionHandler.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TransactionMarkerRequestCompletionHandler.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,203] DEBUG could not scan file kafka/coordinator/transaction/TransactionMetadata.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/transaction/TransactionMetadata.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TransactionMetadata.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,205] DEBUG could not scan file kafka/coordinator/transaction/TransactionStateManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/coordinator/transaction/TransactionStateManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TransactionStateManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,206] DEBUG could not scan file kafka/Kafka.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/Kafka.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Kafka.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,208] DEBUG could not scan file kafka/log/AbstractIndex.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/AbstractIndex.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from AbstractIndex.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,209] DEBUG could not scan file kafka/log/CleanerConfig.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/CleanerConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from CleanerConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,211] DEBUG could not scan file kafka/log/CorruptIndexException.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/CorruptIndexException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from CorruptIndexException.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,212] DEBUG could not scan file kafka/log/IndexEntry.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/IndexEntry.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from IndexEntry.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,217] DEBUG could not scan file kafka/log/Log.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/Log.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Log.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,219] DEBUG could not scan file kafka/log/LogCleaner.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/LogCleaner.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LogCleaner.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,221] DEBUG could not scan file kafka/log/LogCleanerManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/LogCleanerManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LogCleanerManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,222] DEBUG could not scan file kafka/log/LogConfig.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/LogConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LogConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,224] DEBUG could not scan file kafka/log/LogManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/LogManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LogManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,225] DEBUG could not scan file kafka/log/LogSegment.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/LogSegment.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LogSegment.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,227] DEBUG could not scan file kafka/log/LogValidator.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/LogValidator.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LogValidator.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,228] DEBUG could not scan file kafka/log/OffsetIndex.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/OffsetIndex.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from OffsetIndex.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,231] DEBUG could not scan file kafka/log/OffsetMap.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/OffsetMap.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from OffsetMap.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,233] DEBUG could not scan file kafka/log/package.html in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/package.html
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from package.html
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c212d2d
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,235] DEBUG could not scan file kafka/log/ProducerStateManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/ProducerStateManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ProducerStateManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,237] DEBUG could not scan file kafka/log/TimeIndex.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/TimeIndex.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TimeIndex.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,238] DEBUG could not scan file kafka/log/TransactionIndex.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/log/TransactionIndex.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from TransactionIndex.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,241] DEBUG could not scan file kafka/message/CompressionCodec.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/message/CompressionCodec.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from CompressionCodec.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,242] DEBUG could not scan file kafka/metrics/KafkaCSVMetricsReporter.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/metrics/KafkaCSVMetricsReporter.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaCSVMetricsReporter.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,244] DEBUG could not scan file kafka/metrics/KafkaMetricsConfig.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/metrics/KafkaMetricsConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaMetricsConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,245] DEBUG could not scan file kafka/metrics/KafkaMetricsGroup.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/metrics/KafkaMetricsGroup.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaMetricsGroup.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,247] DEBUG could not scan file kafka/metrics/KafkaMetricsReporter.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/metrics/KafkaMetricsReporter.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaMetricsReporter.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,249] DEBUG could not scan file kafka/metrics/KafkaTimer.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/metrics/KafkaTimer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaTimer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,250] DEBUG could not scan file kafka/network/package.html in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/network/package.html
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from package.html
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c212d2d
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,251] DEBUG could not scan file kafka/network/RequestChannel.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/network/RequestChannel.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from RequestChannel.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,253] DEBUG could not scan file kafka/network/SocketServer.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/network/SocketServer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from SocketServer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,254] DEBUG could not scan file kafka/security/auth/Acl.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/security/auth/Acl.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Acl.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,256] DEBUG could not scan file kafka/security/auth/Authorizer.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/security/auth/Authorizer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Authorizer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,257] DEBUG could not scan file kafka/security/auth/Operation.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/security/auth/Operation.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Operation.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,260] DEBUG could not scan file kafka/security/auth/PermissionType.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/security/auth/PermissionType.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from PermissionType.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,262] DEBUG could not scan file kafka/security/auth/Resource.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/security/auth/Resource.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Resource.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,263] DEBUG could not scan file kafka/security/auth/ResourceType.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/security/auth/ResourceType.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ResourceType.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,265] DEBUG could not scan file kafka/security/auth/SimpleAclAuthorizer.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/security/auth/SimpleAclAuthorizer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from SimpleAclAuthorizer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,267] DEBUG could not scan file kafka/security/CredentialProvider.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/security/CredentialProvider.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from CredentialProvider.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,278] DEBUG could not scan file kafka/security/SecurityUtils.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/security/SecurityUtils.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from SecurityUtils.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,282] DEBUG could not scan file kafka/serializer/Decoder.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/serializer/Decoder.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Decoder.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,286] DEBUG could not scan file kafka/server/AbstractFetcherManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/AbstractFetcherManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from AbstractFetcherManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,290] DEBUG could not scan file kafka/server/AbstractFetcherThread.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/AbstractFetcherThread.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from AbstractFetcherThread.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,294] DEBUG could not scan file kafka/server/AdminManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/AdminManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from AdminManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,318] DEBUG could not scan file kafka/server/BrokerMetadataCheckpoint.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/BrokerMetadataCheckpoint.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from BrokerMetadataCheckpoint.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,328] DEBUG could not scan file kafka/server/BrokerStates.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/BrokerStates.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from BrokerStates.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,334] DEBUG could not scan file kafka/server/checkpoints/CheckpointFile.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/checkpoints/CheckpointFile.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from CheckpointFile.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,342] DEBUG could not scan file kafka/server/checkpoints/LeaderEpochCheckpointFile.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/checkpoints/LeaderEpochCheckpointFile.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LeaderEpochCheckpointFile.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,353] DEBUG could not scan file kafka/server/checkpoints/OffsetCheckpointFile.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/checkpoints/OffsetCheckpointFile.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from OffsetCheckpointFile.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,358] DEBUG could not scan file kafka/server/ClientQuotaManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/ClientQuotaManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ClientQuotaManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,362] DEBUG could not scan file kafka/server/ClientRequestQuotaManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/ClientRequestQuotaManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ClientRequestQuotaManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,365] DEBUG could not scan file kafka/server/ConfigHandler.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/ConfigHandler.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ConfigHandler.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,371] DEBUG could not scan file kafka/server/DelayedCreatePartitions.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/DelayedCreatePartitions.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelayedCreatePartitions.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,374] DEBUG could not scan file kafka/server/DelayedDeleteRecords.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/DelayedDeleteRecords.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelayedDeleteRecords.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,379] DEBUG could not scan file kafka/server/DelayedDeleteTopics.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/DelayedDeleteTopics.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelayedDeleteTopics.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,382] DEBUG could not scan file kafka/server/DelayedFetch.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/DelayedFetch.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelayedFetch.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,386] DEBUG could not scan file kafka/server/DelayedOperation.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/DelayedOperation.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelayedOperation.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,395] DEBUG could not scan file kafka/server/DelayedOperationKey.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/DelayedOperationKey.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelayedOperationKey.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,398] DEBUG could not scan file kafka/server/DelayedProduce.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/DelayedProduce.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelayedProduce.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,402] DEBUG could not scan file kafka/server/DelegationTokenManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/DelegationTokenManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelegationTokenManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,406] DEBUG could not scan file kafka/server/DynamicBrokerConfig.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/DynamicBrokerConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DynamicBrokerConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,410] DEBUG could not scan file kafka/server/DynamicConfig.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/DynamicConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DynamicConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,414] DEBUG could not scan file kafka/server/DynamicConfigManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/DynamicConfigManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DynamicConfigManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,418] DEBUG could not scan file kafka/server/epoch/LeaderEpochFileCache.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/epoch/LeaderEpochFileCache.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LeaderEpochFileCache.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,421] DEBUG could not scan file kafka/server/FetchDataInfo.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/FetchDataInfo.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from FetchDataInfo.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,429] DEBUG could not scan file kafka/server/FetchSession.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/FetchSession.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from FetchSession.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,434] DEBUG could not scan file kafka/server/KafkaApis.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/KafkaApis.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaApis.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,438] DEBUG could not scan file kafka/server/KafkaConfig.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/KafkaConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,443] DEBUG could not scan file kafka/server/KafkaRequestHandler.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/KafkaRequestHandler.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaRequestHandler.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,447] DEBUG could not scan file kafka/server/KafkaServer.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/KafkaServer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaServer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,451] DEBUG could not scan file kafka/server/KafkaServerStartable.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/KafkaServerStartable.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from KafkaServerStartable.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,454] DEBUG could not scan file kafka/server/LogDirFailureChannel.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/LogDirFailureChannel.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LogDirFailureChannel.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,458] DEBUG could not scan file kafka/server/LogOffsetMetadata.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/LogOffsetMetadata.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from LogOffsetMetadata.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,476] DEBUG could not scan file kafka/server/MetadataCache.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/MetadataCache.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MetadataCache.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,483] DEBUG could not scan file kafka/server/package.html in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/package.html
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from package.html
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 3c212d2d
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,487] DEBUG could not scan file kafka/server/QuotaFactory.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/QuotaFactory.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from QuotaFactory.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,492] DEBUG could not scan file kafka/server/ReplicaAlterLogDirsManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/ReplicaAlterLogDirsManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ReplicaAlterLogDirsManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,528] DEBUG could not scan file kafka/server/ReplicaAlterLogDirsThread.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/ReplicaAlterLogDirsThread.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ReplicaAlterLogDirsThread.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,532] DEBUG could not scan file kafka/server/ReplicaFetcherBlockingSend.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/ReplicaFetcherBlockingSend.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ReplicaFetcherBlockingSend.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,535] DEBUG could not scan file kafka/server/ReplicaFetcherManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/ReplicaFetcherManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ReplicaFetcherManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,540] DEBUG could not scan file kafka/server/ReplicaFetcherThread.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/ReplicaFetcherThread.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ReplicaFetcherThread.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,545] DEBUG could not scan file kafka/server/ReplicaManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/ReplicaManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ReplicaManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,550] DEBUG could not scan file kafka/server/ReplicationQuotaManager.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/ReplicationQuotaManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ReplicationQuotaManager.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,554] DEBUG could not scan file kafka/server/SensorAccess.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/SensorAccess.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from SensorAccess.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,584] DEBUG could not scan file kafka/server/ThrottledChannel.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/server/ThrottledChannel.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ThrottledChannel.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,591] DEBUG could not scan file kafka/tools/ConsoleConsumer.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/ConsoleConsumer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ConsoleConsumer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,597] DEBUG could not scan file kafka/tools/ConsoleProducer.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/ConsoleProducer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ConsoleProducer.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,600] DEBUG could not scan file kafka/tools/ConsumerPerformance.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/ConsumerPerformance.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ConsumerPerformance.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,604] DEBUG could not scan file kafka/tools/DumpLogSegments.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/DumpLogSegments.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DumpLogSegments.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,608] DEBUG could not scan file kafka/tools/EndToEndLatency.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/EndToEndLatency.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from EndToEndLatency.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,611] DEBUG could not scan file kafka/tools/GetOffsetShell.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/GetOffsetShell.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from GetOffsetShell.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,615] DEBUG could not scan file kafka/tools/JmxTool.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/JmxTool.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from JmxTool.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,619] DEBUG could not scan file kafka/tools/MirrorMaker.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/MirrorMaker.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from MirrorMaker.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,623] DEBUG could not scan file kafka/tools/PerfConfig.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/PerfConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from PerfConfig.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,634] DEBUG could not scan file kafka/tools/ReplicaVerificationTool.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/ReplicaVerificationTool.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ReplicaVerificationTool.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,660] DEBUG could not scan file kafka/tools/StateChangeLogMerger.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/StateChangeLogMerger.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from StateChangeLogMerger.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,664] DEBUG could not scan file kafka/tools/StreamsResetter.java in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/StreamsResetter.java
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from StreamsResetter.java
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,670] DEBUG could not scan file kafka/tools/ZooKeeperMainWrapper.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/tools/ZooKeeperMainWrapper.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from ZooKeeperMainWrapper.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,674] DEBUG could not scan file kafka/utils/Annotations.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/utils/Annotations.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Annotations.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,679] DEBUG could not scan file kafka/utils/CommandLineUtils.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/utils/CommandLineUtils.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from CommandLineUtils.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,684] DEBUG could not scan file kafka/utils/CoreUtils.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/utils/CoreUtils.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from CoreUtils.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,710] DEBUG could not scan file kafka/utils/DelayedItem.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/utils/DelayedItem.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DelayedItem.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,714] DEBUG could not scan file kafka/utils/Exit.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/utils/Exit.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Exit.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,720] DEBUG could not scan file kafka/utils/FileLock.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/utils/FileLock.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from FileLock.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,724] DEBUG could not scan file kafka/utils/Implicits.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/utils/Implicits.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from Implicits.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a0a20
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,727] DEBUG could not scan file kafka/utils/IteratorTemplate.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/utils/IteratorTemplate.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from IteratorTemplate.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,732] DEBUG could not scan file kafka/utils/json/DecodeJson.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/utils/json/DecodeJson.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from DecodeJson.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 8 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: java.io.IOException: bad magic number: 2f2a2a0a
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.read(ClassFile.java:835)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at javassist.bytecode.ClassFile.<init>(ClassFile.java:164)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         ... 10 more
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: [KAFKA-CONNECT] [2018-10-07 16:40:47,737] DEBUG could not scan file kafka/utils/json/JsonArray.scala in url file:/nix/store/yjkwxvwyc92k6v5imrj6jw0kqzfz7g0d-apache-kafka-2.12-2.0.0/bin/../libs/kafka_2.12-2.0.0-sources.jar with scanner SubTypesScanner (org.reflections.Reflections)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: org.reflections.ReflectionsException: could not create class object from file kafka/utils/json/JsonArray.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections.scan(Reflections.java:253)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.scan(DelegatingClassLoader.java:414)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.Reflections$1.run(Reflections.java:198)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at java.lang.Thread.run(Thread.java:748)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: Caused by: org.reflections.ReflectionsException: could not create class file from JsonArray.scala
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]:         at org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
 Oct 07 16:40:47 kafka-0 apache-kafka-connect-start[5184]: