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From "Rohith (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2917) Potential deadlock in AsyncDispatcher when system.exit called in AsyncDispatcher#dispatch and AsyscDispatcher#serviceStop from shutdown hook
Date Wed, 10 Dec 2014 06:11:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-2917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14240707#comment-14240707
] 

Rohith commented on YARN-2917:
------------------------------

[~jianhe] In between, Thinking why to spawn new thread when jvm is going exit?

> Potential deadlock in AsyncDispatcher when system.exit called in AsyncDispatcher#dispatch
and AsyscDispatcher#serviceStop from shutdown hook
> --------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2917
>                 URL: https://issues.apache.org/jira/browse/YARN-2917
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Rohith
>            Assignee: Rohith
>            Priority: Critical
>         Attachments: 0001-YARN-2917.patch
>
>
> I encoutered scenario where RM hanged while shutting down and keep on logging {{2014-12-03
19:32:44,283 INFO org.apache.hadoop.yarn.event.AsyncDispatcher: Waiting for AsyncDispatcher
to drain.}}



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