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https://issues.apache.org/jira/browse/SPARK-6389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-6389.
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Resolution: Fixed
Fix Version/s: 1.4.0
Assignee: Steve Loughran
Resolved by https://github.com/apache/spark/pull/5070
> YARN app diagnostics report doesn't report NPEs
> -----------------------------------------------
>
> Key: SPARK-6389
> URL: https://issues.apache.org/jira/browse/SPARK-6389
> Project: Spark
> Issue Type: Bug
> Components: YARN
> Affects Versions: 1.3.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Trivial
> Fix For: 1.4.0
>
>
> {{ApplicationMaster.run()}} catches exceptions and calls {{toMessage()}} to
> get their message included in the YARN diagnostics report visible in the RM
> UI.
> Except, NPEs don't have a message —if one is raised their report becomes
> {{Uncaught exception: null}}, which isn't that useful. The full text & stack
> trace is logged correctly in the AM.
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