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From "Bhallamudi Venkata Siva Kamesh (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4071) NPE while executing MRAppMaster shutdown hook
Date Mon, 02 Apr 2012 12:31:24 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bhallamudi Venkata Siva Kamesh updated MAPREDUCE-4071:
------------------------------------------------------

    Attachment: MAPREDUCE-4071.patch

Attaching patch. Please review
                
> NPE while executing MRAppMaster shutdown hook
> ---------------------------------------------
>
>                 Key: MAPREDUCE-4071
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4071
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am, mrv2
>    Affects Versions: 0.23.1, 0.23.2, 0.23.3
>            Reporter: Bhallamudi Venkata Siva Kamesh
>         Attachments: MAPREDUCE-4071.patch
>
>
> While running the shutdown hook of MRAppMaster, hit NPE
> {noformat}
> Exception in thread "Thread-1" java.lang.NullPointerException
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$ContainerAllocatorRouter.setSignalled(MRAppMaster.java:668)
> 	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$MRAppMasterShutdownHook.run(MRAppMaster.java:1004)
> {noformat}

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