verification for LOG4J2-2123

conf-child.xml

<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
  <Loggers>
    <Root level="debug">
      <RegexFilter regex=".*filter.*" onMatch="DENY" onMismatch="ACCEPT"/>
    </Root>
  </Loggers>
</Configuration>

conf-parent.xml

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
  <Appenders>
    <Console name="Console" target="SYSTEM_OUT">
      <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
    </Console>
  </Appenders>
  <Loggers>
    <Root level="debug">
      <AppenderRef ref="Console"/>
    </Root>
  </Loggers>
</Configuration>

Log4JTest.java

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class Log4JTest {
  private static final Logger logger = LogManager.getLogger("Log4JTest");
  public static void main(String[] args) {
    logger.info("this is a normal message and will appear before and after the fix");
    logger.info("filter -- this message should not appear after LOG4J2-2123");
  }
}

output.txt

$ ./test.sh
% Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  249k  100  249k    0     0   548k      0 --:--:-- --:--:-- --:--:--  549k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 1561k  100 1561k    0     0  1408k      0  0:00:01  0:00:01 --:--:-- 1409k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  249k  100  249k    0     0   766k      0 --:--:-- --:--:-- --:--:--  766k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 1561k  100 1561k    0     0  1983k      0 --:--:-- --:--:-- --:--:-- 1981k
>  compiling with 2.10.1-17 ...
>  executing with 2.10.1-17 ...
2017-12-11 14:40:42,163 main ERROR A regular expression must be provided for RegexFilter
14:40:42.231 [main] INFO  Log4JTest - this is a normal message and will appear before and after the fix
14:40:42.233 [main] INFO  Log4JTest - filter -- this message should not appear after LOG4J2-2123
>  compiling with 2.10.1-20 ...
>  executing with 2.10.1-20 ...
14:40:43.419 [main] INFO  Log4JTest - this is a normal message and will appear before and after the fix
completed

test.sh

#!/bin/bash

BASE=https://repository.apache.org/content/groups/snapshots/org/apache/logging/log4j
mkdir -p 2.10.1-17 2.10.1-20
curl $BASE/log4j-api/2.10.1-SNAPSHOT/log4j-api-2.10.1-20171207.071045-17.jar >  2.10.1-17/log4j-api.jar
curl $BASE/log4j-core/2.10.1-SNAPSHOT/log4j-core-2.10.1-20171207.071132-17.jar > 2.10.1-17/log4j-core.jar
curl $BASE/log4j-api/2.10.1-SNAPSHOT/log4j-api-2.10.1-20171211.065249-20.jar >  2.10.1-20/log4j-api.jar
curl $BASE/log4j-core/2.10.1-SNAPSHOT/log4j-core-2.10.1-20171211.065335-20.jar >  2.10.1-20/log4j-core.jar


for version in 2.10.1-17 2.10.1-20 ; do 
    echo '> ' compiling with $version ...
    javac -cp "$version/log4j-api.jar:$version/log4j-core.jar" Log4JTest.java
    echo '> ' executing with $version ...
    java -cp "$version/log4j-api.jar:$version/log4j-core.jar:." -Dlog4j.configurationFile=conf-parent.xml,conf-child.xml Log4JTest
done

echo completed