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https://issues.apache.org/jira/browse/HBASE-8140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13629323#comment-13629323
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Andrew Purtell commented on HBASE-8140:
---------------------------------------
IIRC the EC@ jenkins builds stopped working one or two builds prior to this
commit.
> 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: 0.98.0, 0.95.0
>
> 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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