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Hadoop QA commented on HADOOP-9300: ----------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12570034/HADOOP-9300-2.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 3 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}. The javadoc tool did not generate any 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-tools/hadoop-streaming. {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/2370//testReport/ Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/2370//console This message is automatically generated. > Streaming fails to set output key class when reducer is java class > ------------------------------------------------------------------ > > Key: HADOOP-9300 > URL: https://issues.apache.org/jira/browse/HADOOP-9300 > Project: Hadoop Common > Issue Type: Bug > Components: tools > Affects Versions: 2.0.2-alpha > Reporter: Sandy Ryza > Assignee: Sandy Ryza > Attachments: HADOOP-9300-1.patch, HADOOP-9300-2.patch, > HADOOP-9300-2.patch, HADOOP-9300-2.patch, HADOOP-9300.patch, HADOOP-9300.patch > > > In an effort to avoid overwriting user configs (MAPREDUCE-1888), StreamJob > doesn't set a job's output key/value classes unless they are specified in the > streaming command line. If the configs aren't specified in either of these > places, the streaming defaults (Text) no longer kick in, and the global > default LongWritable is used. > This can cause jobs/output writers that are expecting Text to fail. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira