Created
October 25, 2016 21:08
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| -bash-4.1# bin/hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.0.jar grep input output 'dfs[a-z.]+' | |
| 16/10/25 17:07:32 INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:8032 | |
| java.net.ConnectException: Call From 3a452aa05d49/172.24.0.4 to 3a452aa05d49:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused | |
| at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) | |
| at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) | |
| at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) | |
| at java.lang.reflect.Constructor.newInstance(Constructor.java:526) | |
| at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:792) | |
| at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:732) | |
| at org.apache.hadoop.ipc.Client.call(Client.java:1480) | |
| at org.apache.hadoop.ipc.Client.call(Client.java:1407) | |
| at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229) | |
| at com.sun.proxy.$Proxy9.delete(Unknown Source) | |
| at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.delete(ClientNamenodeProtocolTranslatorPB.java:540) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) | |
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) | |
| at java.lang.reflect.Method.invoke(Method.java:606) | |
| at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187) | |
| at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) | |
| at com.sun.proxy.$Proxy10.delete(Unknown Source) | |
| at org.apache.hadoop.hdfs.DFSClient.delete(DFSClient.java:2049) | |
| at org.apache.hadoop.hdfs.DistributedFileSystem$14.doCall(DistributedFileSystem.java:707) | |
| at org.apache.hadoop.hdfs.DistributedFileSystem$14.doCall(DistributedFileSystem.java:703) | |
| at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) | |
| at org.apache.hadoop.hdfs.DistributedFileSystem.delete(DistributedFileSystem.java:703) | |
| at org.apache.hadoop.examples.Grep.run(Grep.java:97) | |
| at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) | |
| at org.apache.hadoop.examples.Grep.main(Grep.java:103) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) | |
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) | |
| at java.lang.reflect.Method.invoke(Method.java:606) | |
| at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71) | |
| at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144) | |
| at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:74) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) | |
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) | |
| at java.lang.reflect.Method.invoke(Method.java:606) | |
| at org.apache.hadoop.util.RunJar.run(RunJar.java:221) | |
| at org.apache.hadoop.util.RunJar.main(RunJar.java:136) | |
| Caused by: java.net.ConnectException: Connection refused | |
| at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) | |
| at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) | |
| at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) | |
| at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531) | |
| at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:495) | |
| at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:609) | |
| at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:707) | |
| at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:370) | |
| at org.apache.hadoop.ipc.Client.getConnection(Client.java:1529) | |
| at org.apache.hadoop.ipc.Client.call(Client.java:1446) | |
| ... 32 more | |
| -bash-4.1# bin/hdfs dfs -cat output/* | |
| cat: Call From 3a452aa05d49/172.24.0.4 to 3a452aa05d49:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused |
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