2016-02-19 02:33:18,917 [INFO] [Dispatcher thread {Central}] |impl.VertexImpl|: vertex_1455323976018_32442_1_20 [ Map 31] transitioned from NEW to INITIALIZING due to event V_INIT
154089 2016-02-19 02:33:18,917 [INFO] [InputInitializer {Map 31} #0] |dag.RootInputInitializerManager|: Starting InputIn itializer for Input: web_sales on vertex vertex_1455323976018_32442_1_20 [Map 31]
154090 2016-02-19 02:33:18,917 [ERROR] [Dispatcher thread {Central}] |impl.VertexImpl|: Uncaught Exception when handling event V_START on vertex Map 31 with vertexId vertex_1455323976018_32442_1_20 at current state INITIALIZING
java.lang.IllegalStateException: Vertex: vertex_1455323976018_32442_1_20 [Map 31] got invalid start event
at com.google.common.base.Preconditions.checkState(Preconditions.java:149)
at org.apache.tez.dag.app.dag.impl.VertexImpl$StartWhileInitializingTransition.transition(VertexImpl.java:360 8)
at org.apache.tez.dag.app.dag.impl.VertexImpl$StartWhileInitializingTransition.transition(VertexImpl.java:360 0)
at org.apache.hadoop.yarn.state.StateMachineFactory$SingleInternalArc.doTransition(StateMachineFactory.java:3 62)
at org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
at org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
at org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.jav a:448)
at org.apache.tez.state.StateMachineTez.doTransition(StateMachineTez.java:57)
at org.apache.tez.dag.app.dag.impl.VertexImpl.handle(VertexImpl.java:1862)
at org.apache.tez.dag.app.dag.impl.VertexImpl.handle(VertexImpl.java:201)
at org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:1978)
at org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:1964)
at org.apache.tez.common.AsyncDispatcher.dispatch(AsyncDispatcher.java:183)
at org.apache.tez.common.AsyncDispatcher$1.run(AsyncDispatcher.java:114)
at java.lang.Thread.run(Thread.java:745)