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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4748) Invalid event: T_ATTEMPT_SUCCEEDED at SUCCEEDED
Date Fri, 26 Oct 2012 00:55:12 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13484616#comment-13484616
] 

Hadoop QA commented on MAPREDUCE-4748:
--------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12550896/MAPREDUCE-4748.patch
  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: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/2967//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2967//console

This message is automatically generated.
                
> Invalid event: T_ATTEMPT_SUCCEEDED at SUCCEEDED
> -----------------------------------------------
>
>                 Key: MAPREDUCE-4748
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4748
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.3
>            Reporter: Robert Joseph Evans
>            Assignee: Jason Lowe
>         Attachments: MAPREDUCE-4748.patch
>
>
> We saw this happen when running a large pig script.
> {noformat}
> 2012-10-23 22:45:24,986 ERROR [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.v2.app.job.impl.TaskImpl:
Can't handle this event at current state for task_1350837501057_21978_m_040453
> org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: T_ATTEMPT_SUCCEEDED
at SUCCEEDED
>         at org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:301)
>         at org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:43)
>         at org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:443)
>         at org.apache.hadoop.mapreduce.v2.app.job.impl.TaskImpl.handle(TaskImpl.java:604)
>         at org.apache.hadoop.mapreduce.v2.app.job.impl.TaskImpl.handle(TaskImpl.java:89)
>         at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$TaskEventDispatcher.handle(MRAppMaster.java:914)
>         at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$TaskEventDispatcher.handle(MRAppMaster.java:908)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:126)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:75)
>         at java.lang.Thread.run(Thread.java:619)
> {noformat}
> Speculative execution was enabled, and that task did speculate so it looks like this
is an error in the state machine either between the task attempts or just within that single
task.

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