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https://issues.apache.org/jira/browse/MAPREDUCE-6139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14207018#comment-14207018
]
Hadoop QA commented on MAPREDUCE-6139:
--------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12680864/MAPREDUCE-6139.3.patch
against trunk revision 061bc29.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5007//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5007//console
This message is automatically generated.
> ConcurrentModificationException in ContainerLogAppender
> -------------------------------------------------------
>
> Key: MAPREDUCE-6139
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6139
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Mohammad Kamrul Islam
> Assignee: Mohammad Kamrul Islam
> Priority: Critical
> Attachments: ContainerLogAppender.java, MAPREDUCE-6139.1.patch,
> MAPREDUCE-6139.2.patch, MAPREDUCE-6139.3.patch
>
>
> Context:
> * Hadoop-2.3.0
> * Using Oozie 4.0.1
> * Pig version 0.11.x
> The job is submitted by Oozie to launch Pig script.
> The following exception traces were found on MR task log:
> In syslog:
> {noformat}
> 2014-10-24 20:37:29,317 WARN [Thread-5]
> org.apache.hadoop.util.ShutdownHookManager: ShutdownHook '' failed,
> java.util.ConcurrentModificationException
> java.util.ConcurrentModificationException
> at
> java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:966)
> at java.util.LinkedList$ListItr.next(LinkedList.java:888)
> at
> org.apache.hadoop.yarn.ContainerLogAppender.close(ContainerLogAppender.java:94)
> at
> org.apache.log4j.helpers.AppenderAttachableImpl.removeAllAppenders(AppenderAttachableImpl.java:141)
> at org.apache.log4j.Category.removeAllAppenders(Category.java:891)
> at org.apache.log4j.Hierarchy.shutdown(Hierarchy.java:471)
> at org.apache.log4j.LogManager.shutdown(LogManager.java:267)
> at org.apache.hadoop.mapred.TaskLog.syncLogsShutdown(TaskLog.java:286)
> at org.apache.hadoop.mapred.TaskLog$2.run(TaskLog.java:339)
> at
> org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54)
> 2014-10-24 20:37:29,395 INFO [main]
> org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping MapTask metrics
> system...
> {noformat}
> in stderr:
> {noformat}
> java.util.ConcurrentModificationException
> at
> java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:966)
> at java.util.LinkedList$ListItr.next(LinkedList.java:888)
> at
> org.apache.hadoop.yarn.ContainerLogAppender.close(ContainerLogAppender.java:94)
> at
> org.apache.log4j.helpers.AppenderAttachableImpl.removeAllAppenders(AppenderAttachableImpl.java:141)
> at org.apache.log4j.Category.removeAllAppenders(Category.java:891)
> at
> org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:759)
> at
> org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:648)
> at
> org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:514)
> at
> org.apache.log4j.PropertyConfigurator.configure(PropertyConfigurator.java:440)
> at org.apache.pig.Main.configureLog4J(Main.java:740)
> at org.apache.pig.Main.run(Main.java:384)
> at org.apache.pig.PigRunner.run(PigRunner.java:49)
> at org.apache.oozie.action.hadoop.PigMain.runPigJob(PigMain.java:283)
> at org.apache.oozie.action.hadoop.PigMain.run(PigMain.java:223)
> at org.apache.oozie.action.hadoop.LauncherMain.run(LauncherMain.java:37)
> at org.apache.oozie.action.hadoop.PigMain.main(PigMain.java:76)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:483)
> at
> org.apache.oozie.action.hadoop.LauncherMapper.map(LauncherMapper.java:226)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:430)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
> {noformat}
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