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https://issues.apache.org/jira/browse/MAPREDUCE-5420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14242116#comment-14242116
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Harsh J commented on MAPREDUCE-5420:
------------------------------------

Thanks [~sandyr], committing in a bit.

The findbugs now appears to consider that all System.out references need to be 
checked for nulls before use, which is weird (unrelated to this change though). 
Maybe a new version of findbugs got added in?

> Remove mapreduce.task.tmp.dir from mapred-default.xml
> -----------------------------------------------------
>
>                 Key: MAPREDUCE-5420
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5420
>             Project: Hadoop Map/Reduce
>          Issue Type: Task
>    Affects Versions: 2.1.0-beta
>            Reporter: Sandy Ryza
>            Assignee: James Carman
>              Labels: newbie
>         Attachments: MAPREDUCE-5420.patch, MAPREDUCE-5420.patch
>
>
> mapreduce.task.tmp.dir no longer has any effect, so it should no longer be 
> documented in mapred-default.  (There is no YARN equivalent for the property. 
>  It now is just always ./tmp).



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