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https://issues.apache.org/jira/browse/YARN-1686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13911478#comment-13911478
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Hudson commented on YARN-1686:
------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk #492 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/492/])
YARN-1686. Fixed NodeManager to properly handle any errors during
re-registration after a RESYNC and thus avoid hanging. Contributed by Rohith
Sharma. (vinodkv:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1571474)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeManager.java
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeManagerResync.java
> NodeManager.resyncWithRM() does not handle exception which cause NodeManger
> to Hang.
> ------------------------------------------------------------------------------------
>
> Key: YARN-1686
> URL: https://issues.apache.org/jira/browse/YARN-1686
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.3.0
> Reporter: Rohith
> Assignee: Rohith
> Fix For: 2.4.0
>
> Attachments: YARN-1686.1.patch, YARN-1686.2.patch, YARN-1686.3.patch
>
>
> During start of NodeManager,if registration with resourcemanager throw
> exception then nodemager shutdown happens.
> Consider case where NM-1 is registered with RM. RM issued Resync to NM. If
> any exception thrown in "resyncWithRM" (starts new thread which does not
> handle exception) during RESYNC evet, then this thread is lost. NodeManger
> enters hanged state.
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