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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-212) NM state machine ignores an APPLICATION_CONTAINER_FINISHED event when it shouldn't
Date Tue, 13 Nov 2012 15:28:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13496251#comment-13496251
] 

Hadoop QA commented on YARN-212:
--------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12553260/yarn-212.txt
  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 3 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-nodemanager.

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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/144//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/144//console

This message is automatically generated.
                
> NM state machine ignores an APPLICATION_CONTAINER_FINISHED event when it shouldn't
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-212
>                 URL: https://issues.apache.org/jira/browse/YARN-212
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 0.23.4, 2.0.1-alpha
>            Reporter: Nathan Roberts
>            Assignee: Nathan Roberts
>            Priority: Blocker
>         Attachments: yarn-212.txt, yarn-212.txt
>
>
> The NM state machines can make the following two invalid state transitions when a speculative
attempt is killed shortly after it gets started. When this happens the NM keeps the log aggregation
context open for this application and therefore chews up FDs and leases on the NN, eventually
running the NN out of FDs and bringing down the entire cluster.
> 2012-11-07 05:36:33,774 [AsyncDispatcher event handler] WARN org.apache.hadoop.yarn.server.nodemanager.containermanager.application.Application:
Can't handle this event at current state
> org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: APPLICATION_CONTAINER_FINISHED
at INITING
> 2012-11-07 05:36:33,775 [AsyncDispatcher event handler] WARN org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container:
Can't handle this event at current state: Current: [DONE], eventType: [INIT_CONTAINER]
> org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: INIT_CONTAINER
at DONE

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