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https://issues.apache.org/jira/browse/SPARK-4474?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-4474.
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Resolution: Won't Fix
> Improve handling of jars that cannot be included in the uber jar
> ----------------------------------------------------------------
>
> Key: SPARK-4474
> URL: https://issues.apache.org/jira/browse/SPARK-4474
> Project: Spark
> Issue Type: Improvement
> Components: YARN
> Affects Versions: 1.2.0
> Reporter: Jim Lim
> Priority: Minor
>
> Please refer to this [pull request|https://github.com/apache/spark/pull/3238]
> for more details.
> Some jars, such as the datanucleus jars, are distributed with spark but
> cannot be included in the uber (aka assembly) jar. This caused some classpath
> issues, such as [SPARK-2624]. A workaround was done in the above pull
> request, allowing the user to specify the location of the datanucleus jars in
> {{spark.yarn.datanucleus.dir}}.
> Some things to consider:
> - rename {{spark.yarn.datanucleus.dir}} to be more generic to deal with such
> jars in the future
> - figure out how to include datanucleus jars in the uber jar
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