[TAJO-1336] Fix task failure of stopped task

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.10.0
• Fix Version/s: 0.10.0
• Component/s: Worker
• Assignee: Jinho Kim
• Reporter: Jinho Kim
• Created: 05/Feb/15 09:04
• Updated: 06/Feb/15 03:59
• Resolved: 06/Feb/15 03:34

Description

A task is killed, but Task.run() can try to change the task state to running.

2015-02-05 06:01:49,971 INFO: org.apache.tajo.worker.Task (<init>(179)) - ==================================
2015-02-05 06:01:49,971 INFO: org.apache.tajo.worker.TaskAttemptContext (setState(145)) - Query status of ta_1423116109181_0001_000003_000000_00 is changed to TA_KILLED
2015-02-05 06:01:49,972 INFO: org.apache.tajo.worker.TaskAttemptContext (setState(145)) - Query status of ta_1423116109181_0001_000003_000000_00 is changed to TA_RUNNING

...

2015-02-05 06:01:50,028 INFO: org.apache.tajo.worker.TaskRunner (stop(151)) - Stop TaskRunner: eb_1423116109181_0001_000003,container_1423116109181_0001_01_000029
2015-02-05 06:01:50,028 ERROR: org.apache.tajo.querymaster.TaskAttempt (handle(417)) - Can't handle this event at current state of ta_1423116109181_0001_000003_000000_00), eventType:TA_FATAL_ERROR, oldState:TA_KILLED, nextState:TA_KILLED
org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: TA_FATAL_ERROR at TA_KILLED
	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.tajo.querymaster.TaskAttempt.handle(TaskAttempt.java:415)
	at org.apache.tajo.querymaster.QueryMasterTask$TaskAttemptEventDispatcher.handle(QueryMasterTask.java:250)
	at org.apache.tajo.querymaster.QueryMasterTask$TaskAttemptEventDispatcher.handle(QueryMasterTask.java:243)
	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:662)
2015-02-05 06:01:50,031 INFO: org.apache.tajo.worker.TaskRunnerManager (stopTaskRunner(116)) - Stop