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From "Tom White (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3479) JobClient#getJob cannot find local jobs
Date Tue, 29 Nov 2011 22:43:39 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tom White updated MAPREDUCE-3479:
---------------------------------

    Attachment: MAPREDUCE-3479.patch

The failing test was indicating an underlying problem with the first patch: passing the Cluster
object to the Job causes the configuration objects to get out of sync (which is what MAPREDUCE-1788
was addressing) so the YARNRunner (or LocalJobRunner) would use the configuration from the
Cluster, which would not reflect any changes made to it during job submission (e.g. setting
distributed cache properties). So instead this patch updates the Cluster object in the JobClient
to be the one used for job submission.

All tests pass for me now.
                
> JobClient#getJob cannot find local jobs
> ---------------------------------------
>
>                 Key: MAPREDUCE-3479
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3479
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.23.0
>            Reporter: Tom White
>            Assignee: Tom White
>         Attachments: MAPREDUCE-3479.patch, MAPREDUCE-3479.patch
>
>
> The problem is that JobClient#submitJob doesn't pass the Cluster object to Job for the
submission process, which means that two Cluster objects and two LocalJobRunner objects are
created. LocalJobRunner keeps an instance map of job IDs to Jobs, and when JobClient#getJob
is called the LocalJobRunner with the unpopulated map is used which results in the job not
being found.

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