[jira] [Created] (TEZ-683) Diamond shape DAG fail

["Daniel Dai (JIRA)" <ji...@apache.org>]

Daniel Dai created TEZ-683:
------------------------------

             Summary: Diamond shape DAG fail
                 Key: TEZ-683
                 URL: https://issues.apache.org/jira/browse/TEZ-683
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Daniel Dai


In Pig, we created a diamond shape DAG:
{code}
A  -------------->  C
     \---> B ---/
{code}

We see exception intermittently (90% of chance):
org.apache.tez.dag.app.dag.impl.VertexImpl: Can't handle Invalid event V_SOURCE_VERTEX_STARTED on vertex scope-31 with vertexId vertex_1387342253398_0018_1_01 at current state NEW
org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: V_SOURCE_VERTEX_STARTED at NEW
        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:946)
        at org.apache.tez.dag.app.dag.impl.VertexImpl.handle(VertexImpl.java:142)
        at org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:1252)
        at org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:1244)
        at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:134)
        at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:81)
        at java.lang.Thread.run(Thread.java:695)



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