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https://issues.apache.org/jira/browse/SPARK-3177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14115665#comment-14115665
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Apache Spark commented on SPARK-3177:
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User 'chesterxgchen' has created a pull request for this issue:
https://github.com/apache/spark/pull/2204
> Yarn-alpha ClientBaseSuite Unit test failed
> -------------------------------------------
>
> Key: SPARK-3177
> URL: https://issues.apache.org/jira/browse/SPARK-3177
> Project: Spark
> Issue Type: Bug
> Components: YARN
> Affects Versions: 1.1.1
> Reporter: Chester
> Priority: Minor
> Labels: test
> Fix For: 1.1.1
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Yarn-alpha ClientBaseSuite Unit test failed due to differences of MRJobConfig
> API between yarn-stable and yarn-alpha.
> The class field
> MRJobConfig.DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH
> in yarn-alpha
> returns String Array
> in yarn
> returns String
> the method will works for yarn-stable but will fail as it try to cast String
> Array to String.
> val knownDefMRAppCP: Seq[String] =
> getFieldValue[String, Seq[String]](classOf[MRJobConfig],
> "DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH",
> Seq[String]())(a => a.split(","))
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