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