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Posted to mapreduce-issues@hadoop.apache.org by "Ravi Prakash (JIRA)" <ji...@apache.org> on 2012/10/11 22:37:03 UTC

[jira] [Assigned] (MAPREDUCE-4521) mapreduce.user.classpath.first incompatibility with 0.20/1.x

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ravi Prakash reassigned MAPREDUCE-4521:
---------------------------------------

    Assignee: Ravi Prakash
    
> mapreduce.user.classpath.first incompatibility with 0.20/1.x
> ------------------------------------------------------------
>
>                 Key: MAPREDUCE-4521
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4521
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.1, 2.0.0-alpha
>            Reporter: Jason Lowe
>            Assignee: Ravi Prakash
>         Attachments: MAPREDUCE-4521.patch
>
>
> In Hadoop 0.20 or 1.x, jobs can specify the user's classpath should appear first by setting the property mapreduce.user.classpath.first to true in the job configuration.  However in Hadoop 0.23 or 2.x, this has no effect, as the corresponding property there is mapreduce.job.user.classpath.first.

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