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https://issues.apache.org/jira/browse/MAPREDUCE-5814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13998216#comment-13998216
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Hudson commented on MAPREDUCE-5814:
-----------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk #1753 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1753/])
MAPREDUCE-5814. fat jar with *-default.xml may fail when
mapreduce.job.classloader=true. Contributed by Gera Shegalov (jlowe:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1594326)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/util/MRApps.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/test/java/org/apache/hadoop/mapreduce/v2/util/TestMRApps.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ApplicationClassLoader.java
> 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
> Fix For: 3.0.0, 2.5.0
>
> 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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