[TEZ-1227] AM should not crash when handling invalid DAG plans

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 0.4.0
• Fix Version/s: 0.5.0
• Target Version/s: 0.5.0
• Assignee: Bikas Saha
• Reporter: Vikram Dixit K
• Created: 24/Jun/14 21:14
• Updated: 06/Sep/14 01:35
• Resolved: 25/Jun/14 00:15

Description

2014-06-24 13:46:00,348 INFO [AsyncDispatcher event handler] org.apache.tez.dag.app.dag.impl.VertexImpl: Num tasks is -1. Expecting VertexManager/InputInitializers to set #tasks for the vertex vertex_1403642712922_0003_3_00
2014-06-24 13:46:00,349 FATAL [AsyncDispatcher event handler] org.apache.hadoop.yarn.event.AsyncDispatcher: Error in dispatcher thread
org.apache.tez.dag.api.TezUncheckedException: vertex_1403642712922_0003_3_00 has -1 tasks but neither input initializers nor 1-1 uninited sources
at org.apache.tez.dag.app.dag.impl.VertexImpl$InitTransition.handleInitEvent(VertexImpl.java:2276)
at org.apache.tez.dag.app.dag.impl.VertexImpl$InitTransition.transition(VertexImpl.java:2222)
at org.apache.tez.dag.app.dag.impl.VertexImpl$InitTransition.transition(VertexImpl.java:2213)
at org.apache.hadoop.yarn.state.StateMachineFactory$MultipleInternalArc.doTransition(StateMachineFactory.java:385)
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.java:448)
at org.apache.tez.dag.app.dag.impl.VertexImpl.handle(VertexImpl.java:1201)
at org.apache.tez.dag.app.dag.impl.VertexImpl.handle(VertexImpl.java:153)
at org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:1658)
at org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:1644)
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:695)