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https://issues.apache.org/jira/browse/HADOOP-2344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12553996
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Hadoop QA commented on HADOOP-2344:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12372087/HADOOP-2344.patch
against trunk revision r606058.

    @author +1.  The patch does not contain any @author tags.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new compiler warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: 
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1419/testReport/
Findbugs warnings: 
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1419/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: 
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1419/artifact/trunk/build/test/checkstyle-errors.html
Console output: 
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1419/console

This message is automatically generated.

> Free up the buffers (input and error) while executing a shell command before 
> waiting for it to finish.
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2344
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2344
>             Project: Hadoop
>          Issue Type: Bug
>    Affects Versions: 0.15.2
>            Reporter: Amar Kamat
>            Assignee: Amar Kamat
>             Fix For: 0.15.2
>
>         Attachments: HADOOP-2231.patch, HADOOP-2344.patch, HADOOP-2344.patch, 
> HADOOP-2344.patch, HADOOP-2344.patch
>
>
> Process.waitFor() should be invoked after freeing up the input and error 
> stream.  While fixing https://issues.apache.org/jira/browse/HADOOP-2231 we 
> found that this might be a possible cause.

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