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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1929) DeadLock in RM when automatic failover is enabled.
Date Wed, 30 Apr 2014 13:57:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-1929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13985542#comment-13985542
] 

Hudson commented on YARN-1929:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #1747 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1747/])
YARN-1929. Fixed a deadlock in ResourceManager that occurs when failover happens right at
the time of shutdown. Contributed by Karthik Kambatla. (vinodkv: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1591071)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/CompositeService.java
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/EmbeddedElectorService.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMEmbeddedElector.java


> DeadLock in RM when automatic failover is enabled.
> --------------------------------------------------
>
>                 Key: YARN-1929
>                 URL: https://issues.apache.org/jira/browse/YARN-1929
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>         Environment: Yarn HA cluster
>            Reporter: Rohith
>            Assignee: Karthik Kambatla
>            Priority: Blocker
>             Fix For: 2.4.1
>
>         Attachments: yarn-1929-1.patch, yarn-1929-2.patch
>
>
> Dead lock detected  in RM when automatic failover is enabled.
> {noformat}
> Found one Java-level deadlock:
> =============================
> "Thread-2":
>   waiting to lock monitor 0x00007fb514303cf0 (object 0x00000000ef153fd0, a org.apache.hadoop.ha.ActiveStandbyElector),
>   which is held by "main-EventThread"
> "main-EventThread":
>   waiting to lock monitor 0x00007fb514750a48 (object 0x00000000ef154020, a org.apache.hadoop.yarn.server.resourcemanager.EmbeddedElectorService),
>   which is held by "Thread-2"
> {noformat}



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