[jira] [Assigned] (YARN-7663) RMAppImpl:Invalid event: START at KILLED

["Jason Lowe (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-7663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Lowe reassigned YARN-7663:
--------------------------------

    Assignee: lujie

Thanks for the report and the patch!

Ignoring the START event seems appropriate here.  Could you add a unit test of the new start-after-killed transition logic to TestRMAppTransitions?


> RMAppImpl:Invalid event: START at KILLED
> ----------------------------------------
>
>                 Key: YARN-7663
>                 URL: https://issues.apache.org/jira/browse/YARN-7663
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.8.0
>            Reporter: lujie
>            Assignee: lujie
>            Priority: Minor
>              Labels: patch
>         Attachments: YARN-7663_1.patch
>
>
> Send kill to application, the RM log shows:
> {code:java}
> org.apache.hadoop.yarn.state.InvalidStateTransitionException: Invalid event: START 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:805)
>         at org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl.handle(RMAppImpl.java:116)
>         at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$ApplicationEventDispatcher.handle(ResourceManager.java:901)
>         at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$ApplicationEventDispatcher.handle(ResourceManager.java:885)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:184)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:110)
>         at java.lang.Thread.run(Thread.java:745)
> {code}
> if insert sleep before where the START event was created, this bug will deterministically reproduce. 



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