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Posted to mapreduce-issues@hadoop.apache.org by "lujie (JIRA)" <ji...@apache.org> on 2017/12/12 15:35:02 UTC

[jira] [Comment Edited] (MAPREDUCE-5413) Killing mapred job in Initial stage leads to java.lang.NullPointerException

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16287752#comment-16287752 ] 

lujie edited comment on MAPREDUCE-5413 at 12/12/17 3:34 PM:
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Recently i also meet this bug in 0.23.11, it duplicates with [MR-4071|https://issues.apache.org/jira/browse/MAPREDUCE-4071]


was (Author: xiaoheipangzi):
Recently i also meet this bug in 0.23.11, it duplicates with 4071

> Killing mapred job in Initial stage leads to java.lang.NullPointerException
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5413
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5413
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Yesha Vora
>            Assignee: Omkar Vinit Joshi
>         Attachments: syslog_MapredKillTask(1).docx
>
>
> Run a MR job and kill it as soon as jobId is known. After killing the job, try to kill its attempts. 
> Steps:
> 1) start a map reduce job
> hadoop jar hadoop-mapreduce-client-jobclient-tests.jar sleep -m 10 -r 10 -mt 50000 -rt 50000
> 2)Kill the job
> hadoop job -kill <job-id>
> 3)Try to kill the attempts for above job.
> Result:
> mapred job was not able to shut down properly. Attaching syslog. It does not kill its attempts also.
> Above steps leads to below exception,
> org.apache.hadoop.util.ShutdownHookManager: ShutdownHook 'MRAppMasterShutdownHook' failed, java.lang.NullPointerException
> java.lang.NullPointerException
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$ContainerAllocatorRouter.setSignalled(MRAppMaster.java:811)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$MRAppMasterShutdownHook.run(MRAppMaster.java:1249)
> 	at org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54)



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