[TAJO-638] QueryUnitAttempt causes Invalid event error: TA_UPDATE at TA_ASSIGNED

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.8.0, 0.9.0
• Fix Version/s: 0.8.0, 0.9.0
• Assignee: Hyunsik Choi
• Reporter: Hyunsik Choi
• Created: 26/Feb/14 14:39
• Updated: 01/Mar/14 08:09
• Resolved: 28/Feb/14 05:52

Description

In TAJO-630, Hyoungjun reported the following error message. According to QueryUnitAttempt class, TA_UPDATE event at TA_ASSIGNED should not incur error. We need to investigate it.

2014-02-23 22:25:55,617 ERROR querymaster.QueryUnitAttempt (QueryUnitAttempt.java:handle(425)) - Can't handle this event at current state of ta_1393161894205_0001_000004_000101_00)
org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: TA_UPDATE at TA_ASSIGNED
        at org.apache.hadoop.yarn.state.StateMachineFactory$MultipleInternalArc.doTransition(StateMachineFactory.java:388)
        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.tajo.master.querymaster.QueryUnitAttempt.handle(QueryUnitAttempt.java:423)
        at org.apache.tajo.master.querymaster.QueryMasterTask$TaskAttemptEventDispatcher.handle(QueryMasterTask.java:241)
        at org.apache.tajo.master.querymaster.QueryMasterTask$TaskAttemptEventDispatcher.handle(QueryMasterTask.java:233)
        at org.apache.tajo.master.TajoAsyncDispatcher.dispatch(TajoAsyncDispatcher.java:137)
        at org.apache.tajo.master.TajoAsyncDispatcher$1.run(TajoAsyncDispatcher.java:79)