[jira] [Commented] (MAPREDUCE-4794) DefaultSpeculator generates error messages on normal shutdown

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13553973#comment-13553973 ] 

Hadoop QA commented on MAPREDUCE-4794:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12564953/MAPREDUCE-4794.patch
  against trunk revision .

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

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

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any 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:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app.

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3240//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3240//console

This message is automatically generated.
                
> DefaultSpeculator generates error messages on normal shutdown
> -------------------------------------------------------------
>
>                 Key: MAPREDUCE-4794
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4794
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster
>    Affects Versions: 0.23.3, 2.0.1-alpha
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: MAPREDUCE-4794.patch
>
>
> DefaultSpeculator can log the following error message on a normal shutdown of the ApplicationMaster:
> {noformat}
> 2012-11-13 01:35:31,841 ERROR [DefaultSpeculator background processing] org.apache.hadoop.mapreduce.v2.app.speculate.DefaultSpeculator: Background thread returning, interrupted : java.lang.InterruptedException
> {noformat}
> and in addition for some reason it logs the corresponding backtrace to stdout.
> Like the errors fixed in MAPREDUCE-4741, this error message in the syslog and backtrace on stdout can be confusing to users as to whether the job really succeeded.

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