[TAJO-832] NPE occurs when Exception's message is null in Task.

• Type: Bug
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 0.9.0
• Assignee: Hyoungjun Kim
• Reporter: Hyoungjun Kim
• Created: 19/May/14 07:04
• Updated: 23/May/14 19:55
• Resolved: 21/May/14 03:09

Description

NPE occurs when a query runs and throws Exception.

2014-05-16 16:28:42,964 INFO org.apache.tajo.worker.TaskAttemptContext: Query status of ta_1400224958565_0002_000001_000018_00 is changed to TA_FAILED
2014-05-16 16:28:42,966 ERROR org.apache.tajo.worker.TaskRunner:
java.lang.NullPointerException
        at org.apache.tajo.ipc.TajoWorkerProtocol$TaskFatalErrorReport$Builder.setErrorMessage(TajoWorkerProtocol.java:5785)
        at org.apache.tajo.worker.Task.run(Task.java:411)
        at org.apache.tajo.worker.TaskRunner$1.run(TaskRunner.java:391)
        at java.lang.Thread.run(Thread.java:744)
2014-05-16 16:28:42,966 INFO org.apache.tajo.worker.TaskRunner: Request GetTask: eb_1400224958565_0002_000001,container_1400224958565_0002_01_000151