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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9300) Streaming fails to set output key class when reducer is java class
Date Wed, 20 Feb 2013 00:47:13 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581811#comment-13581811
] 

Hadoop QA commented on HADOOP-9300:
-----------------------------------

{color:red}-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:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-tools/hadoop-streaming:

                  org.apache.hadoop.streaming.TestStreamReduceNone
                  org.apache.hadoop.streaming.TestStreamXmlRecordReader

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/2210//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/2210//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.

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