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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3697) Hadoop Counters API limits Oozie's working across different hadoop versions
Date Tue, 07 Feb 2012 01:36:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13201949#comment-13201949
] 

Hadoop QA commented on MAPREDUCE-3697:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12513541/MAPREDUCE-3697.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 6 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 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any 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 failed these unit tests:
                  org.apache.hadoop.mapred.TestJobCounters

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1806//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1806//console

This message is automatically generated.
                
> Hadoop Counters API limits Oozie's working across different hadoop versions
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3697
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3697
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.1
>            Reporter: John George
>            Assignee: Mahadev konar
>            Priority: Blocker
>         Attachments: MAPREDUCE-3697-facade.patch, MAPREDUCE-3697-facadeV2.patch, MAPREDUCE-3697-facadeV3.patch,
MAPREDUCE-3697.patch, MAPREDUCE-3697.patch, MAPREDUCE-3697.patch, MAPREDUCE-3697.patch, MAPREDUCE-3697.patch,
MAPREDUCE-3697.patch, apicheck-hadoop-1.0.0-0.24.0-SNAPSHOT.sh
>
>
> Oozie uses Hadoop Counters API, by invoking Counters.getGroup(). However, in
> hadoop 23, org.apache.hadoop.mapred.Counters does not implement getGroup(). Its
> parent class AbstractCounters implements it. This is different from hadoop20X.
> As a result, Oozie compiled with either hadoop version does not work with the
> other version.
> A specific scenario, Oozie compiled with .23 and run against 205, does not
> update job status owing to a Counters API exception.
> Will explicit re-compilation against the relevant hadoop jars be required each
> time? This will prevent launching a uniform Oozie version across different
> clusters.

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