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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1409) NonAggregatingLongHandler can throw RejectedExecutionException
Date Wed, 13 Nov 2013 15:45:22 GMT

    [ https://issues.apache.org/jira/browse/YARN-1409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13821437#comment-13821437
] 

Tsuyoshi OZAWA commented on YARN-1409:
--------------------------------------

Thank you for the review, Jason. I overlooked the case you pointed out. I'll update a patch
to handle RejectedExecutionException and retry to handle the events.

> NonAggregatingLongHandler can throw RejectedExecutionException
> --------------------------------------------------------------
>
>                 Key: YARN-1409
>                 URL: https://issues.apache.org/jira/browse/YARN-1409
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Tsuyoshi OZAWA
>            Assignee: Tsuyoshi OZAWA
>         Attachments: YARN-1409.1.patch
>
>
> This problem is caused by handling APPLICATION_FINISHED events after calling sched.shotdown()
in NonAggregatingLongHandler#serviceStop(). org.apache.hadoop.mapred.TestJobCleanup can fail
because of RejectedExecutionException by NonAggregatingLogHandler.
> {code}
> 2013-11-13 10:53:06,970 FATAL [AsyncDispatcher event handler] event.AsyncDispatcher (AsyncDispatcher.java:dispatch(166))
- Error in dispatcher thread
> java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@d51df63
rejected from java.util.concurrent.ScheduledThreadPoolExecutor@7a20e369[Shutting down, pool
size = 4, active threads = 0, queued tasks = 7, completed tasks = 0]
>         at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2048)
>         at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:821)
>         at java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:325)
>         at java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:530)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.loghandler.NonAggregatingLogHandler.handle(NonAggregatingLogHandler.java:121)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.loghandler.NonAggregatingLogHandler.handle(NonAggregatingLogHandler.java:49)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:159)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:95)
>         at java.lang.Thread.run(Thread.java:724)
> {code}



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