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https://issues.apache.org/jira/browse/MAPREDUCE-5815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13959713#comment-13959713
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Akira AJISAKA commented on MAPREDUCE-5815:
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I agree with you that TestMRAppMaster should set a proper queue name.
bq. I think it would be a good idea to have the null check and throw an 
appropriate exception.
I suggest to handle null name as "NA" by using {{getNonEmptyString}}. The 
method is already used for user name and job name.

> 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
>            Reporter: Gera Shegalov
>            Assignee: Gera Shegalov
>            Priority: Blocker
>         Attachments: 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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