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https://issues.apache.org/jira/browse/HADOOP-9300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581797#comment-13581797
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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/12570031/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 4 new
or modified test files.
{color:red}-1 javac{color:red}. The patch appears to cause the build to
fail.
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/2209//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.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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