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From "Nick Dimiduk (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-8140) TableMapReduceUtils#addDependencyJar fails when nested inside another MR job
Date Tue, 19 Mar 2013 22:15:16 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nick Dimiduk updated HBASE-8140:
--------------------------------

    Attachment: 0001-HBASE-8140-addendum-add-test-category.patch

Attaching addendum for trunk.
                
> TableMapReduceUtils#addDependencyJar fails when nested inside another MR job
> ----------------------------------------------------------------------------
>
>                 Key: HBASE-8140
>                 URL: https://issues.apache.org/jira/browse/HBASE-8140
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>             Fix For: 0.95.0, 0.98.0, 0.94.7
>
>         Attachments: 0001-HBASE-8140-addendum-add-test-category.patch, 8140-port-jarfinder-0.94.patch,
8140-port-jarfinder-trunk.patch
>
>
> TableMapReduceUtils#addDependencyJar is used when configuring a mapreduce job to make
sure dependencies of the job are shipped to the cluster. The code depends on finding an actual
jar file containing the necessary classes. This is not always the case, for instance, when
run at the end of another mapreduce job. In that case, dependency jars have already been shipped
to the cluster and expanded in the parent job's run folder. Those dependencies are there,
just not available as jars.

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