Potential ResourceManager deadlock when SchedulerEventDispatcher is stopped
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Key: MAPREDUCE-4139
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4139
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2
Affects Versions: 0.23.3
Reporter: Jason Lowe
Assignee: Jason Lowe
When the main thread calls ResourceManager$SchedulerEventDispatcher.stop() it
grabs a lock on the object, kicks the event processor thread, and then waits
for the thread to exit. However the interrupted event processor thread can end
up trying to call the synchronized getConfig() method which results in deadlock.
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