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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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