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https://issues.apache.org/jira/browse/TEZ-1592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14142680#comment-14142680
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Bikas Saha commented on TEZ-1592:
---------------------------------
This would prevent the tasks from being started and read the main input while
the other initializers finish. Handling the event during running state might
have worked but for now this fix should do. +1.
> Vertex should wait for all initializers to finish before moving to INITED
> state
> -------------------------------------------------------------------------------
>
> Key: TEZ-1592
> URL: https://issues.apache.org/jira/browse/TEZ-1592
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Siddharth Seth
> Assignee: Siddharth Seth
> Priority: Critical
> Attachments: TEZ-1592.1.txt
>
>
> Reported by [~vikram.dixit]
> When using multiple initializers, the following stack trace is seen at times.
> {code}
> 2014-09-17 15:05:00,406 ERROR [AsyncDispatcher event handler]
> org.apache.tez.dag.app.dag.impl.VertexImpl: Can't handle Invalid event
> V_ROOT_INPUT_INITIALIZED on vertex Map 2 with vertexId
> vertex_1410991351910_0002_8_01 at current state RUNNING
> org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event:
> V_ROOT_INPUT_INITIALIZED at RUNNING
> 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.VertexImpl.handle(VertexImpl.java:1337)
> at org.apache.tez.dag.app.dag.impl.VertexImpl.handle(VertexImpl.java:168)
> at
> org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:1641)
> at
> org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:1627)
> 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:662)
> {code}
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