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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-6683) Invalid event: COLLECTOR_UPDATE at KILLED
Date Fri, 02 Jun 2017 03:13:04 GMT

     [ https://issues.apache.org/jira/browse/YARN-6683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rohith Sharma K S reassigned YARN-6683:
---------------------------------------

    Assignee: Rohith Sharma K S

> Invalid event: COLLECTOR_UPDATE at KILLED
> -----------------------------------------
>
>                 Key: YARN-6683
>                 URL: https://issues.apache.org/jira/browse/YARN-6683
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Rohith Sharma K S
>
> {code}
> 2017-06-01 20:01:22,686 ERROR rmapp.RMAppImpl (RMAppImpl.java:handle(905)) - Can't handle
this event at current state
> org.apache.hadoop.yarn.state.InvalidStateTransitionException: Invalid event: COLLECTOR_UPDATE
at KILLED
>         at org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:305)
>         at org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
>         at org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
>         at org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl.handle(RMAppImpl.java:903)
>         at org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl.handle(RMAppImpl.java:118)
>         at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$ApplicationEventDispatcher.handle(ResourceManager.java:904)
>         at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$ApplicationEventDispatcher.handle(ResourceManager.java:888)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:201)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:127)
> {code}
> Below code already gets the RMApp instance and then send an event to RMApp to update
the collector address. Instead of updating via event, it could just update via a method of
RMApp. This also avoids state-machine changes.
> Also, is there any implications that COLLECTOR_UPDATE happened at KILLED state ?
> {code}
>           } else {
>             String previousCollectorAddr = rmApp.getCollectorAddr();
>             if (previousCollectorAddr == null
>                 || !previousCollectorAddr.equals(collectorAddr)) {
>               // sending collector update event.
>               RMAppCollectorUpdateEvent event =
>                   new RMAppCollectorUpdateEvent(appId, collectorAddr);
>               rmContext.getDispatcher().getEventHandler().handle(event);
>             }
>           }
> {code}



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