[jira] [Updated] (MAPREDUCE-3377) Compatibility issue with 0.20.203.

["Matt Foley (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Foley updated MAPREDUCE-3377:
----------------------------------

    Target Version/s: 1.0.3, 0.23.1, 0.24.0  (was: 0.23.1, 0.24.0, 1.1.0)
    
> Compatibility issue with 0.20.203.
> ----------------------------------
>
>                 Key: MAPREDUCE-3377
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3377
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.203.0
>         Environment: 0.20.203.0 standalone JDK 1.6 Linux
>            Reporter: Jane Chen
>            Assignee: Jane Chen
>             Fix For: 1.0.3, 2.0.0-alpha
>
>         Attachments: err-after, err-before, mapreduce-3377-branch-1.patch, mapreduce-3377-branch-1.patch, mapreduce-3377.patch, mapreduce-3377.patch, mapreduce-3377.patch, mapreduce-3377.patch, out-after, out-before
>
>
> I have an OutputFormat which implements Configurable.  I set new config entries to a job configuration during checkOutputSpec() so that the tasks will get the config entries through the job configuration.  This works fine in 0.20.2, but stopped working starting from 0.20.203.  With 0.20.203, my OutputFormat still has the configuration set, but the copy a task gets does not have the new entries that are set as part of checkOutputSpec().  
> I believe that the problem is with JobClient.  The job configuration needs to wait till checkOutputSpec() is returned before being cloned and submitted.

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