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From "Hudson (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 Fri, 12 Dec 2014 15:11:17 GMT

    [ https://issues.apache.org/jira/browse/YARN-2917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14244246#comment-14244246
] 

Hudson commented on YARN-2917:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #40 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/40/])
YARN-2917. Fixed potential deadlock when system.exit is called in AsyncDispatcher. Contributed
by Rohith Sharmaks (jianhe: rev 614b6afea450ebb897fbb2519c6f02e13b9bd12d)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java
* hadoop-yarn-project/CHANGES.txt


> 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
>             Fix For: 2.7.0
>
>         Attachments: 0001-YARN-2917.patch, 0002-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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