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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1686) NodeManager.resyncWithRM() does not handle exception which cause NodeManger to Hang.
Date Wed, 05 Feb 2014 13:22:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-1686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13892083#comment-13892083

Hadoop QA commented on YARN-1686:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:red}-1 javadoc{color}.  The javadoc tool appears to have generated 2 warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

        {color:red}-1 release audit{color}.  The applied patch generated 1 release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/3024//testReport/
Release audit warnings: https://builds.apache.org/job/PreCommit-YARN-Build/3024//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/3024//console

This message is automatically generated.

> 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: 3.0.0
>         Attachments: YARN-1686.1.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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