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Hadoop QA commented on MAPREDUCE-2584: -------------------------------------- -1 overall. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12493044/MAPREDUCE-2584.r5.diff against trunk revision . +1 @author. The patch does not contain any @author tags. +1 tests included. The patch appears to include 3 new or modified tests. +1 javadoc. The javadoc tool did not generate any warning messages. +1 javac. The applied patch does not increase the total number of javac compiler warnings. -1 findbugs. The patch appears to introduce 8 new Findbugs (version 1.3.9) warnings. +1 release audit. The applied patch does not increase the total number of release audit warnings. +1 core tests. The patch passed unit tests in hadoop-mapreduce-project. +1 contrib tests. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//testReport/ Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-common.html Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-api.html Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-common.html Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-resourcemanager.html Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-nodemanager.html Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-app.html Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-core.html Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-common.html Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-hs.html Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-shuffle.html Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-jobclient.html Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/608//console This message is automatically generated. > Check for serializers early, and give out more information regarding missing > serializers > ---------------------------------------------------------------------------------------- > > Key: MAPREDUCE-2584 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-2584 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: task > Affects Versions: 0.20.2 > Reporter: Harsh J > Assignee: Harsh J > Labels: serializers, tasks > Fix For: 0.23.0 > > Attachments: MAPREDUCE-2584.r2.diff, MAPREDUCE-2584.r3.diff, > MAPREDUCE-2584.r4.diff, MAPREDUCE-2584.r5.diff > > > As discussed on HADOOP-7328, MapReduce can handle serializers in a much > better way in case of bad configuration, improper imports (Some odd Text > class instead of the Writable Text set as key), etc.. > This issue covers the MapReduce parts of the improvements (made to IFile, > MapOutputBuffer, etc. and possible early-check of serializer availability > pre-submit) that provide more information than just an NPE as is the current > case. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira