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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8140) TableMapReduceUtils#addDependencyJar fails when nested inside another MR job
Date Mon, 08 Apr 2013 22:58:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13625938#comment-13625938
] 

Hudson commented on HBASE-8140:
-------------------------------

Integrated in HBase-0.94 #951 (See [https://builds.apache.org/job/HBase-0.94/951/])
    HBASE-8158. Backport HBASE-8140 "TableMapReduceUtils#addDependencyJar fails when nested
inside another MR job" (Nick Dimiduk) (Revision 1465743)

     Result = SUCCESS
apurtell : 
Files : 
* /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.java
* /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/mapreduce/hadoopbackport/JarFinder.java
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/mapreduce/hadoopbackport
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/mapreduce/hadoopbackport/TestJarFinder.java

                
> 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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