Steve Loughran created SPARK-6389:
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Summary: 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
Priority: Trivial
{{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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