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From "Arun C Murthy (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3697) Hadoop Counters API limits Oozie's working across different hadoop versions
Date Tue, 07 Feb 2012 01:44:59 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated MAPREDUCE-3697:
-------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.23.1
           Status: Resolved  (was: Patch Available)

+1, this was a biggie.

I just committed this. Thanks Mahadev!
                
> 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
>             Fix For: 0.23.1
>
>         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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