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https://issues.apache.org/jira/browse/YARN-139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli updated YARN-139:
-----------------------------------------
Attachment: YARN-139-20121019.txt
bq. Tried out the patch, but it doesn't completely fix the problem. It does
prevent spurious exception traces in the handler threads when they are
interrupted, but the exception trace reported in the description is coming from
the thread calling stop() on the AsyncDispatcher service. It was interrupted
while trying to join with the handling thread, and that exception is still
being logged.
I completely misread the JIRA description. Let's track the AsyncDispatcher logs
separately.
Here's a patch to fix this. Can you please take a look?
> Interrupted Exception within AsyncDispatcher leads to user confusion
> --------------------------------------------------------------------
>
> Key: YARN-139
> URL: https://issues.apache.org/jira/browse/YARN-139
> Project: Hadoop YARN
> Issue Type: Bug
> Components: api
> Affects Versions: 2.0.2-alpha, 0.23.4
> Reporter: Nathan Roberts
> Assignee: Vinod Kumar Vavilapalli
> Attachments: YARN-139-20121019.txt, YARN-139.txt
>
>
> Successful applications tend to get InterruptedExceptions during shutdown.
> The exception is harmless but it leads to lots of user confusion and
> therefore could be cleaned up.
> 2012-09-28 14:50:12,477 WARN [AsyncDispatcher event handler]
> org.apache.hadoop.yarn.event.AsyncDispatcher: Interrupted Exception while
> stopping
> java.lang.InterruptedException
> at java.lang.Object.wait(Native Method)
> at java.lang.Thread.join(Thread.java:1143)
> at java.lang.Thread.join(Thread.java:1196)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher.stop(AsyncDispatcher.java:105)
> at
> org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:99)
> at
> org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:89)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobFinishEventHandler.handle(MRAppMaster.java:437)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobFinishEventHandler.handle(MRAppMaster.java:402)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:126)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:75)
> at java.lang.Thread.run(Thread.java:619)
> 2012-09-28 14:50:12,477 INFO [AsyncDispatcher event handler]
> org.apache.hadoop.yarn.service.AbstractService: Service:Dispatcher is stopped.
> 2012-09-28 14:50:12,477 INFO [AsyncDispatcher event handler]
> org.apache.hadoop.yarn.service.AbstractService:
> Service:org.apache.hadoop.mapreduce.v2.app.MRAppMaster is stopped.
> 2012-09-28 14:50:12,477 INFO [AsyncDispatcher event handler]
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Exiting MR AppMaster..GoodBye
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