[jira] [Updated] (MAPREDUCE-4071) NPE while executing MRAppMaster shutdown hook

["Bhallamudi Venkata Siva Kamesh (JIRA)" <ji...@apache.org>]

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

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

    Status: Open  (was: Patch Available)
    
> 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: 0.23.3, 2.0.0
>            Reporter: Bhallamudi Venkata Siva Kamesh
>         Attachments: MAPREDUCE-4071-1.patch, MAPREDUCE-4071-2.patch, 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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