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https://issues.apache.org/jira/browse/MAPREDUCE-990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12757352#action_12757352
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Hadoop QA commented on MAPREDUCE-990:
-------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12420045/MAPREDUCE-990.patch
  against trunk revision 816735.

    -1 @author.  The patch appears to contain  @author tags which the Hadoop 
community has agreed to not allow in code contributions.

    +1 tests included.  The patch appears to include  new or modified tests.

    -1 patch.  The patch command could not apply the patch.

Console output: 
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/114/console

This message is automatically generated.

> Making distributed cache getters in JobContext never return null
> ----------------------------------------------------------------
>
>                 Key: MAPREDUCE-990
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-990
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Philip Zeyliger
>            Assignee: Philip Zeyliger
>            Priority: Minor
>         Attachments: MAPREDUCE-990.patch, MAPREDUCE-990.patch.txt
>
>
> MAPREDUCE-898 moved distributed cache setters and getters into Job and 
> JobContext.  Since the API is new, I'd like to propose that those getters 
> never return null, but instead always return an array, even if it's empty.
> If people don't like this change, I can instead merely update the javadoc to 
> reflect the fact that null may be returned.

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