Jeff Zhang created TEZ-2188:
-------------------------------

             Summary: Verify vertex with bipartite source vertex and root input 
in client side
                 Key: TEZ-2188
                 URL: https://issues.apache.org/jira/browse/TEZ-2188
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Jeff Zhang
            Assignee: Jeff Zhang


For this kind of case that vertex with bipartite source vertex and root input, 
there's no clear diagnosis message in client side, should do the verification 
in client side.
{code}
16:31:57,333 - Thread( main) - (DAGClientImpl.java:541) - Waiting for DAG to 
start running
16:32:00,455 - Thread( main) - (DAGClientImpl.java:541) - DAG initialized: 
CurrentState=Running
16:32:00,977 - Thread( main) - (DAGClientImpl.java:541) - DAG: State: FAILED 
Progress: 0% TotalTasks: 1 Succeeded: 0 Running: 0 Failed: 0 Killed: 2
16:32:00,978 - Thread( main) - (DAGClientImpl.java:541) - DAG completed. 
FinalState=FAILED
16:32:00,978 - Thread( main) - (TezExampleBase.java:137) - DAG diagnostics: 
[Vertex failed, vertexName=v2, vertexId=vertex_1425882461111_0025_1_01, 
diagnostics=[Vertex vertex_1425882461111_0025_1_01 [v2] killed/failed due 
to:null], Vertex killed, vertexName=v1, 
vertexId=vertex_1425882461111_0025_1_00, diagnostics=[Vertex received Kill 
while in RUNNING state., Vertex killed as other vertex failed. failedTasks:0, 
Vertex vertex_1425882461111_0025_1_00 [v1] killed/failed due to:null], DAG 
failed due to vertex failure. failedVertices:1 killedVertices:1]
{code}



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