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From "Ravi Teja Ch N V (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2949) NodeManager in a inconsistent state if a service startup fails.
Date Fri, 09 Sep 2011 09:23:09 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13101084#comment-13101084

Ravi Teja Ch N V commented on MAPREDUCE-2949:

Hi Arun,
I think  this issue doesn't hold any relation with MAPREDUCE-2956. As MAPREDUCE-2956 speaks
of failure while stopping a service , but this issue deals with the startup failure of a service.

> NodeManager in a inconsistent state if a service startup fails.
> ---------------------------------------------------------------
>                 Key: MAPREDUCE-2949
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2949
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, nodemanager
>    Affects Versions: 0.24.0
>            Reporter: Ravi Teja Ch N V
>            Assignee: Ravi Teja Ch N V
> When a service startup fails at the Nodemanager, the Nodemanager JVM doesnot exit as
the following threads are still running.
> Daemon Thread [Timer for 'NodeManager' metrics system] (Running)	
> Thread [pool-1-thread-1] (Running)	
> Thread [Thread-11] (Running)	
> Thread [DestroyJavaVM] (Running).
> As a result, the NodeManager keeps running even though no services are started.

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