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Date: Mon, 6 Feb 2012 19:55:59 +0000 (UTC)
From: "Hadoop QA (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (MAPREDUCE-3697) Hadoop Counters API limits
 Oozie's working across different hadoop versions
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-3697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13201517#comment-13201517 ] 

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

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12513480/apicheck-hadoop-1.0.0-0.24.0-SNAPSHOT.sh
  against trunk revision .

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

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1793//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, 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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