[ 
https://issues.apache.org/jira/browse/YARN-1879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Tsuyoshi OZAWA updated YARN-1879:
---------------------------------
    Attachment: YARN-1879.13.patch

The test failure is caused when rm.stop() is called before the state of 
RMAppAttemptImp goes into FINISHING. In this case, AsyncDispatcher fails to 
stop and timeouts occurs.

{quote}
2014-08-31 11:31:03,892 INFO  [Thread-52] event.AsyncDispatcher 
(AsyncDispatcher.java:serviceStop(142)) - Waiting for AsyncDispatcher to drain.
2014-08-31 11:31:04,892 INFO  [Thread-52] event.AsyncDispatcher 
(AsyncDispatcher.java:serviceStop(142)) - Waiting for AsyncDispatcher to drain.
2014-08-31 11:31:05,893 INFO  [Thread-52] event.AsyncDispatcher 
(AsyncDispatcher.java:serviceStop(142)) - Waiting for AsyncDispatcher to drain.
2014-08-31 11:31:06,893 INFO  [Thread-52] event.AsyncDispatcher 
(AsyncDispatcher.java:serviceStop(142)) - Waiting for AsyncDispatcher to drain.
2014-08-31 11:31:07,893 INFO  [Thread-52] event.AsyncDispatcher 
(AsyncDispatcher.java:serviceStop(142)) - Waiting for AsyncDispatcher to drain.
2014-08-31 11:31:08,893 INFO  [Thread-52] event.AsyncDispatcher 
(AsyncDispatcher.java:serviceStop(142)) - Waiting for AsyncDispatcher to drain.
2014-08-31 11:31:09,894 INFO  [Thread-52] event.AsyncDispatcher 
(AsyncDispatcher.java:serviceStop(142)) - Waiting for AsyncDispatcher to drain.
2014-08-31 11:31:10,894 INFO  [Thread-52] event.AsyncDispatcher 
(AsyncDispatcher.java:serviceStop(142)) - Waiting for AsyncDispatcher to drain.
2014-08-31 11:31:11,894 INFO  [Thread-52] event.AsyncDispatcher 
(AsyncDispatcher.java:serviceStop(142)) - Waiting for AsyncDispatcher to drain.
{quote}

To confirm the state transition, I added 
waitForState(RMAppAttemptState.FINISHING) after calling unregisterAppAttempt().

{code}
      am1.unregisterAppAttempt(req, false);
      am1.waitForState(RMAppAttemptState.FINISHING);
{code}

> Mark Idempotent/AtMostOnce annotations to ApplicationMasterProtocol
> -------------------------------------------------------------------
>
>                 Key: YARN-1879
>                 URL: https://issues.apache.org/jira/browse/YARN-1879
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Jian He
>            Assignee: Tsuyoshi OZAWA
>            Priority: Critical
>         Attachments: YARN-1879.1.patch, YARN-1879.1.patch, 
> YARN-1879.11.patch, YARN-1879.12.patch, YARN-1879.13.patch, 
> YARN-1879.2-wip.patch, YARN-1879.2.patch, YARN-1879.3.patch, 
> YARN-1879.4.patch, YARN-1879.5.patch, YARN-1879.6.patch, YARN-1879.7.patch, 
> YARN-1879.8.patch, YARN-1879.9.patch
>
>




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