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https://issues.apache.org/jira/browse/MAPREDUCE-6261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14325445#comment-14325445
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Hadoop QA commented on MAPREDUCE-6261:
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{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12699418/MAPREDUCE-6261.2.patch
against trunk revision 57db50c.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5205//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5205//console
This message is automatically generated.
> NullPointerException if MapOutputBuffer.flush invoked twice
> -----------------------------------------------------------
>
> Key: MAPREDUCE-6261
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6261
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.5.0
> Reporter: Jason Lowe
> Assignee: Tsuyoshi OZAWA
> Attachments: MAPREDUCE-6261.1.patch, MAPREDUCE-6261.2.patch
>
>
> MapOutputBuffer.flush will throw an NPE if it is invoked twice, since it
> blindly assumes kvbuffer is not null yet sets kvbuffer to null towards the
> end of the method.
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