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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6492) AsyncDispatcher exit with NPE on TaskAttemptImpl#sendJHStartEventForAssignedFailTask
Date Tue, 29 Sep 2015 00:56:07 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14934424#comment-14934424
] 

Hudson commented on MAPREDUCE-6492:
-----------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #1193 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/1193/])
MAPREDUCE-6492. AsyncDispatcher exit with NPE on TaskAttemptImpl#sendJHStartEventForAssignedFailTask.
Contributed by Bibin A Chundatt (jlowe: rev ab11085b81353e1617875deb10f3c8e2a8b91a1e)
* hadoop-mapreduce-project/CHANGES.txt
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TestTaskAttempt.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TaskAttemptImpl.java


> AsyncDispatcher exit with NPE on TaskAttemptImpl#sendJHStartEventForAssignedFailTask
> ------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6492
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6492
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>            Priority: Critical
>             Fix For: 2.7.2
>
>         Attachments: 0002-MAPREDUCE-6492.patch, 0003-MAPREDUCE-6492.patch, MAPREDUCE-6492.patch
>
>
> For {{TaskAttemptImpl#DeallocateContainerTransition}} {{sendJHStartEventForAssignedFailTask}}
is send for TaskAttemptStateInternal.UNASSIGNED also .
> Causing NPE on {{taskAttempt.container.getNodeHttpAddress()}} 
> {noformat}
> 2015-09-28 18:01:48,656 FATAL [AsyncDispatcher event handler] org.apache.hadoop.yarn.event.AsyncDispatcher:
Error in dispatcher thread
> java.lang.NullPointerException
> 	at org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.sendJHStartEventForAssignedFailTask(TaskAttemptImpl.java:1494)
> 	at org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.access$2900(TaskAttemptImpl.java:147)
> 	at org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl$DeallocateContainerTransition.transition(TaskAttemptImpl.java:1700)
> 	at org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl$DeallocateContainerTransition.transition(TaskAttemptImpl.java:1686)
> 	at org.apache.hadoop.yarn.state.StateMachineFactory$SingleInternalArc.doTransition(StateMachineFactory.java:362)
> 	at org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
> 	at org.apache.hadoop.yarn.state.StateMachineFactory.access$3(StateMachineFactory.java:290)
> 	at org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
> 	at org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.handle(TaskAttemptImpl.java:1190)
> 	at org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.handle(TaskAttemptImpl.java:146)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$TaskAttemptEventDispatcher.handle(MRAppMaster.java:1415)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$TaskAttemptEventDispatcher.handle(MRAppMaster.java:1407)
> 	at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:183)
> 	at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
> 	at java.lang.Thread.run(Thread.java:745)
> 2015-09-28 18:01:48,660 INFO [AsyncDispatcher ShutDown handler] org.apache.hadoop.yarn.event.AsyncDispatcher:
Exiting, bbye..
> 2015-09-28 18:01:48,660 INFO [ContainerLauncher #6] org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl:
Processing the event EventType: CONTAINER_REMOTE_CLEANUP for container container_e04_1443430524957_0006_01_000059
taskAttempt attempt_1443430524957_0006_m_000000_9
> {noformat}
> Log aggregation fail for mapreduce application.



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