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https://issues.apache.org/jira/browse/HADOOP-9426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13619972#comment-13619972
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Robert Joseph Evans commented on HADOOP-9426:
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Projects are going to do this, like you said oozie does, and either they will
copy and paste the content of ClassUtil.java (which I did for my storm on yarn
work), implement their own version, or we can provide them approved access to
ClassUtil. I personally would prefer to provide the ability to do this so
there is less duplication. I can see how it is error prone but MR has been
exposing this functionality for a long time. If we are already on the hook for
providing this functionality through MR, why not support it more broadly for
YARN too?
Alejandro, Would moving this JIRA to YARN make it any more palatable to you?
> Hadoop should expose Jar location utilities on its public API
> -------------------------------------------------------------
>
> Key: HADOOP-9426
> URL: https://issues.apache.org/jira/browse/HADOOP-9426
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 1.0.0, 1.1.0, 2.0.0-alpha
> Reporter: Nick Dimiduk
> Attachments:
> 0001-HADOOP-9426-Promote-JarFinder-out-of-test-jar.patch,
> 0001-HADOOP-9426-Promote-JarFinder-out-of-test-jar.patch
>
>
> The facilities behind JobConf#setJarByClass and the JarFinder utility in test
> are both generally useful. As the core platform, these should be published as
> part of the public API. In addition to HBase, they are probably useful for
> Pig and Hive as well. See also HBASE-2588, HBASE-5317, HBASE-8140.
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