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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-63) RMNodeImpl is missing valid transitions from the UNHEALTHY state
Date Thu, 30 Aug 2012 16:18:07 GMT

    [ https://issues.apache.org/jira/browse/YARN-63?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13445062#comment-13445062
] 

Jason Lowe commented on YARN-63:
--------------------------------

Sample exception stacktrace from the ResourceManager:

{noformat}
 [ResourceManager Event Processor]2012-08-29 07:12:04,556 INFO org.apache.hadoop.yarn.util.AbstractLivelinessMonitor:
Expired:xxx:xxx Timed out after 600 secs
 [Ping Checker]2012-08-29 07:12:04,556 ERROR org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl:
Can't handle this event at current state
 [AsyncDispatcher event handler]org.apache.hadoop.yarn.state.InvalidStateTransitonException:
Invalid event: EXPIRE at UNHEALTHY
        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.rmnode.RMNodeImpl.handle(RMNodeImpl.java:301)
        at org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl.handle(RMNodeImpl.java:65)
        at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$NodeEventDispatcher.handle(ResourceManager.java:446)
        at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$NodeEventDispatcher.handle(ResourceManager.java:430)
        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)
2012-08-29 07:12:04,556 ERROR org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl:
Invalid event EXPIRE on Node  xxx:xxx
{noformat}
                
> RMNodeImpl is missing valid transitions from the UNHEALTHY state
> ----------------------------------------------------------------
>
>                 Key: YARN-63
>                 URL: https://issues.apache.org/jira/browse/YARN-63
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.1.0-alpha, 0.23.3
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>
> The ResourceManager isn't properly handling nodes that have been marked UNHEALTHY when
they are lost or are decommissioned.

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