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https://issues.apache.org/jira/browse/YARN-214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13497159#comment-13497159
 ] 

Hadoop QA commented on YARN-214:
--------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12553451/YARN-214.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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.

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

Test results: 
https://builds.apache.org/job/PreCommit-YARN-Build/147//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/147//console

This message is automatically generated.
                
> RMContainerImpl does not handle event EXPIRE at state RUNNING
> -------------------------------------------------------------
>
>                 Key: YARN-214
>                 URL: https://issues.apache.org/jira/browse/YARN-214
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 0.23.3, 2.0.1-alpha
>            Reporter: Jason Lowe
>            Assignee: Jonathan Eagles
>         Attachments: YARN-214.patch, YARN-214.patch, YARN-214.patch
>
>
> RMContainerImpl has a race condition where a container can enter the RUNNING 
> state just as the container expires.  This results in an invalid event 
> transition error:
> {noformat}
> 2012-11-11 05:31:38,954 [ResourceManager Event Processor] ERROR 
> org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl: 
> Can't handle this event at current state
> org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: 
> EXPIRE at RUNNING
>         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.yarn.server.resourcemanager.rmcontainer.RMContainerImpl.handle(RMContainerImpl.java:205)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl.handle(RMContainerImpl.java:44)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApp.containerCompleted(SchedulerApp.java:203)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.completedContainer(LeafQueue.java:1337)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.completedContainer(CapacityScheduler.java:739)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:659)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:80)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:340)
>         at java.lang.Thread.run(Thread.java:619)
> {noformat}
> EXPIRE needs to be handled (well at least ignored) in the RUNNING state to 
> account for this race condition.

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