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https://issues.apache.org/jira/browse/MAPREDUCE-5815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13966201#comment-13966201
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Vinod Kumar Vavilapalli commented on MAPREDUCE-5815:
----------------------------------------------------

bq. I think the real issue is that the AM on restart after a 
crash-during-comment doesn't write JOB_SUBMITTED events and so 
queue-name/user-name etc are missing. But that's lot more changes - to emit 
user-name/queue-name etc as part of AM_STARTED event that is always emmited. 
I'll file a separate ticket for that.
Filed MAPREDUCE-5829.

Checking this in now.

> Fix NPE in TestMRAppMaster
> --------------------------
>
>                 Key: MAPREDUCE-5815
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5815
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client, mrv2
>    Affects Versions: 2.4.0
>            Reporter: Gera Shegalov
>            Assignee: Akira AJISAKA
>            Priority: Blocker
>         Attachments: MAPREDUCE-5815.2.patch, MAPREDUCE-5815.3.patch, 
> MAPREDUCE-5815.v01.patch
>
>
> Working MAPREDUCE-5813 I stumbled on NPE's in TestMRAppMaster. They seem to 
> be introduced by MAPREDUCE-5805.



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