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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5157) Sort in hadoop-1 examples is not binary compatible with hadoop-2 mapred.lib
Date Wed, 08 May 2013 19:09:15 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13652241#comment-13652241
] 

Hadoop QA commented on MAPREDUCE-5157:
--------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12582330/MAPREDUCE-5157.1.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 1 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-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient.

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3593//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3593//console

This message is automatically generated.
                
> Sort in hadoop-1 examples is not binary compatible with hadoop-2 mapred.lib
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5157
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5157
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>         Attachments: MAPREDUCE-5157.1.patch, MAPREDUCE-5157.1.patch
>
>
> In SORT example, org.apache.hadoop.mapred.lib.InputSampler.Sampler is used in hadoop-1.
However, after upgrading to hadoop-2, org.apache.hadoop.mapred.lib.InputSampler is modified
to extend org.apache.hadoop.mapreduce.lib.partition.InputSampler, and the inner class, Sampler,
has been moved to the superclass. Therefore, hadoop-1 SORT can not find Sampler when it runs
with hadoop-2 framework.

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