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https://issues.apache.org/jira/browse/HADOOP-6346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12784686#action_12784686
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Vinod K V commented on HADOOP-6346:
-----------------------------------

bq. Only issue to worry about is that MAPREDUCE-967 really ought to go in at 
the same time. Otherwise, the "-file" argument in streaming will be broken 
until that patch is committed (it currently works by sticking files into the 
job jar and assuming they'll be unpacked automatically; that patch fixes it to 
use the config parameter added here).
There is only one way we can do this AFAIK. Let this patch go in as is. If 
there are any mapred/streaming tests(looked around but can't find any) that 
fail because of this common project change, let the tests crib - we will just 
file a JIRA issue saying the test failure will be fixed once MAPREDUCE-967 goes 
in. This is OK as we are anyways planning MAPREDUCE-967 for the same release 
(0.22). OK?

> Add support for specifying unpack pattern regex to RunJar.unJar
> ---------------------------------------------------------------
>
>                 Key: HADOOP-6346
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6346
>             Project: Hadoop Common
>          Issue Type: Task
>          Components: conf, util
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.22.0
>
>         Attachments: hadoop-6346.txt, hadoop-6346.txt, hadoop-6346.txt
>
>
> The changes in Common necessary for MAPREDUCE-967:
> - Adds support for Pattern types to Configuration (plus unit test)
> - Adds support to specify a Pattern to RunJar.unJar to decide which files get 
> unpacked

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