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https://issues.apache.org/jira/browse/TEZ-1564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14274979#comment-14274979
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Jeff Zhang commented on TEZ-1564:
---------------------------------
[~rajesh.balamohan] I doubt this issue may be caused by the VM in your DAG (
any customized VM in this DAG ? ) It looks like the ScheduleEvent is sent 2
times for the same Task
> State machine error: Invalid event: T_SCHEDULE at SCHEDULED
> -----------------------------------------------------------
>
> Key: TEZ-1564
> URL: https://issues.apache.org/jira/browse/TEZ-1564
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Priority: Critical
> Attachments: applogs.txt.tar.gz, dag.dot
>
>
> ERROR [AsyncDispatcher event handler]
> org.apache.tez.dag.app.dag.impl.TaskImpl: Can't handle this event at current
> state for task_1409722953518_0162_1_07_000000
> org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event:
> T_SCHEDULE at SCHEDULED
> 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.tez.dag.app.dag.impl.TaskImpl.handle(TaskImpl.java:827)
> at org.apache.tez.dag.app.dag.impl.TaskImpl.handle(TaskImpl.java:95)
> at
> org.apache.tez.dag.app.DAGAppMaster$TaskEventDispatcher.handle(DAGAppMaster.java:1604)
> at
> org.apache.tez.dag.app.DAGAppMaster$TaskEventDispatcher.handle(DAGAppMaster.java:1590)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:173)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:106)
> at java.lang.Thread.run(Thread.java:724)
> I will attach the dag + app logs soon.
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