Mailing-List: contact mapreduce-issues-help@hadoop.apache.org; run by ezmlm
Precedence: bulk
Reply-To: mapreduce-issues@hadoop.apache.org
Date: Wed, 24 Oct 2012 15:38:12 +0000 (UTC)
From: "Jason Lowe (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Message-ID: <246693568.22244.1351093092897.JavaMail.jiratomcat@arcas>
In-Reply-To: <1783165342.10006.1350918372777.JavaMail.jiratomcat@arcas>
Subject: [jira] [Commented] (MAPREDUCE-4741) WARN and ERROR messages logged
 during normal AM shutdown
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


    [ https://issues.apache.org/jira/browse/MAPREDUCE-4741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13483315#comment-13483315 ] 

Jason Lowe commented on MAPREDUCE-4741:
---------------------------------------

+1, committing this.
                
> WARN and ERROR messages logged during normal AM shutdown
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-4741
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4741
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster, mrv2
>    Affects Versions: 0.23.3, 2.0.1-alpha
>            Reporter: Jason Lowe
>            Assignee: Vinod Kumar Vavilapalli
>            Priority: Minor
>         Attachments: MAPREDUCE-4741-20121023.txt
>
>
> The ApplicationMaster is logging WARN and ERROR messages during normal shutdown, and some users are misinterpreting these as serious problems.  For example:
> {noformat}
> 2012-10-02 13:58:50,247 ERROR [ContainerLauncher Event Handler] org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl: Returning, interrupted : java.lang.InterruptedException
> [...]
> 2012-10-02 13:58:50,248 ERROR [Thread-47] org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Returning, interrupted : java.lang.InterruptedException
> 2012-10-02 13:58:50,248 WARN [RMCommunicator Allocator] org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Allocated thread interrupted. Returning.
> [...]
> 2012-10-02 13:58:50,367 ERROR [TaskCleaner Event Handler] org.apache.hadoop.mapreduce.v2.app.taskclean.TaskCleanerImpl: Returning, interrupted : java.lang.InterruptedException
> {noformat}
> Warnings or errors should not be logged if everything is working as intended.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira