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Hudson commented on MAPREDUCE-5814: ----------------------------------- FAILURE: Integrated in Hadoop-Mapreduce-trunk #1779 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1779/]) 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. -- This message was sent by Atlassian JIRA (v6.2#6252)