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https://issues.apache.org/jira/browse/MAPREDUCE-5814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13996736#comment-13996736
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Hadoop QA commented on MAPREDUCE-5814:
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{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12644307/MAPREDUCE-5814.v03.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{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 1.3.9) 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-common
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4600//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4600//console
This message is automatically generated.
> fat jar with *-default.xml may fail when mapreduce.job.classloader=true.
> ------------------------------------------------------------------------
>
> Key: MAPREDUCE-5814
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5814
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.3.0
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Attachments: MAPREDUCE-5814.v01.patch, MAPREDUCE-5814.v02.patch,
> MAPREDUCE-5814.v03.patch
>
>
> We faced a failure when a job.jar compiled against 0.20+ hadoop artifacts had
> to run with {{mapreduce.job.classloader=true}} because it needed a more
> recent guava as a dependency. The job failed because the cluster's
> {{*-default.xml}} files were overshadowed by the ones in the fat jar. We
> propose to treat these default config files like the system packages
> {{org.apache.hadoop.}} to avoid a counterintuitivie behavior as if we had
> {{mapreduce.job.user.classpath.first}} set.
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