Jason Lowe created MAPREDUCE-6279:
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Summary: AM should explicity exit JVM after all services have
stopped
Key: MAPREDUCE-6279
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6279
Project: Hadoop Map/Reduce
Issue Type: Improvement
Affects Versions: 2.5.0
Reporter: Jason Lowe
Occasionally the MapReduce AM can "get stuck" trying to shut down.
MAPREDUCE-6049 and MAPREDUCE-5888 were specific instances that have been fixed,
but this can also occur with uber jobs if the task code inadvertently leaves
non-daemon threads lingering.
We should explicitly shutdown the JVM after the MapReduce AM has unregistered
and all services have been stopped.
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