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From "Devaraj K (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4261) MRAppMaster throws NPE while stopping RMContainerAllocator service
Date Fri, 18 May 2012 17:01:09 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13278961#comment-13278961
] 

Devaraj K commented on MAPREDUCE-4261:
--------------------------------------

{code:xml}
-1 javadoc. The javadoc tool appears to have generated 2 warning messages.
{code}

These javadoc warnings are not related to the patch.
                
> MRAppMaster throws NPE while stopping RMContainerAllocator service
> ------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4261
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4261
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>    Affects Versions: 2.0.0, 3.0.0
>            Reporter: Devaraj K
>            Assignee: Devaraj K
>         Attachments: MAPREDUCE-4261.patch
>
>
> {code:xml}
> 2012-05-16 18:55:54,222 INFO [Thread-1] org.apache.hadoop.yarn.service.CompositeService:
Error stopping org.apache.hadoop.mapreduce.v2.app.MRAppMaster$ContainerLauncherRouter
> java.lang.NullPointerException
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$ContainerLauncherRouter.stop(MRAppMaster.java:716)
> 	at org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:99)
> 	at org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:89)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$MRAppMasterShutdownHook.run(MRAppMaster.java:1036)
> 	at org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54)
> 2012-05-16 18:55:54,222 INFO [Thread-1] org.apache.hadoop.yarn.service.CompositeService:
Error stopping org.apache.hadoop.mapreduce.v2.app.MRAppMaster$ContainerAllocatorRouter
> java.lang.NullPointerException
> 	at org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.getStat(RMContainerAllocator.java:521)
> 	at org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.stop(RMContainerAllocator.java:227)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$ContainerAllocatorRouter.stop(MRAppMaster.java:668)
> 	at org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:99)
> 	at org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:89)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$MRAppMasterShutdownHook.run(MRAppMaster.java:1036)
> 	at org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54)
> {code}

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