JobClient doesn't show the reason why AM crashed
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Key: MAPREDUCE-2952
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2952
Project: Hadoop Map/Reduce
Issue Type: Bug
Affects Versions: 0.23.0
Reporter: Vinod Kumar Vavilapalli
When MR ApplicationMaster crashes, say because of a localization error, NM
promptly reports the exception trace to the RM via diagnostics. Client
eventually figures out that the application has failed, but it never prints the
reason.
The reason for failure is already propagated to the client in most cases via
_ApplicationReport_ but it isn't printed/logged.
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