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https://issues.apache.org/jira/browse/TAJO-1056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated TAJO-1056:
-------------------------------
Priority: Blocker (was: Critical)
> Wrong resource release or wrong task scheduling
> -----------------------------------------------
>
> Key: TAJO-1056
> URL: https://issues.apache.org/jira/browse/TAJO-1056
> Project: Tajo
> Issue Type: Bug
> Affects Versions: 0.9.0, block_iteration
> Reporter: Hyunsik Choi
> Priority: Blocker
>
> Please take a look at the following log:
> The worker takes shouldDie message and then it removes ExecutionBlockContext
> with its resources. But, following tasks which belong to this execution block
> are still scheduled to this worker and they causes NPE.
> {noformat}
> 2014-09-20 07:05:21,894 INFO org.apache.tajo.worker.Task:
> ==================================
> 2014-09-20 07:05:21,894 INFO org.apache.tajo.worker.Task: * Subquery
> ta_1411164263773_0003_000001_000013_00 is initialized
> 2014-09-20 07:05:21,894 INFO org.apache.tajo.worker.Task: * InterQuery: true,
> Use RANGE_SHUFFLE shuffle, Fragments (num: 1), Fetches (total:0) :
> 2014-09-20 07:05:21,894 INFO org.apache.tajo.worker.Task: * Local task dir:
> file:/data01/tajo/data/q_1411164263773_0003/output/1/13_0
> 2014-09-20 07:05:21,894 INFO org.apache.tajo.worker.Task:
> ==================================
> 2014-09-20 07:05:21,895 INFO org.apache.tajo.worker.TaskAttemptContext: Query
> status of ta_1411164263773_0003_000001_000013_00 is changed to TA_RUNNING
> 2014-09-20 07:05:21,895 INFO org.apache.tajo.worker.TaskRunner: Accumulated
> Received Task: 1
> 2014-09-20 07:05:21,895 INFO org.apache.tajo.worker.TaskRunner: Initializing:
> ta_1411164263773_0003_000001_000017_00
> 2014-09-20 07:05:21,895 INFO org.apache.tajo.worker.TaskAttemptContext: Query
> status of ta_1411164263773_0003_000001_000016_00 is changed to TA_PENDING
> 2014-09-20 07:05:21,895 INFO org.apache.tajo.worker.Task:
> ==================================
> 2014-09-20 07:05:21,895 INFO org.apache.tajo.worker.Task: * Subquery
> ta_1411164263773_0003_000001_000016_00 is initialized
> 2014-09-20 07:05:21,895 INFO org.apache.tajo.worker.Task: * InterQuery: true,
> Use RANGE_SHUFFLE shuffle, Fragments (num: 1), Fetches (total:0) :
> 2014-09-20 07:05:21,895 INFO org.apache.tajo.worker.Task: * Local task dir:
> file:/data09/tajo/data/q_1411164263773_0003/output/1/16_0
> 2014-09-20 07:05:21,895 INFO org.apache.tajo.worker.Task:
> ==================================2014-09-20 07:05:21,896 INFO
> org.apache.tajo.worker.TaskAttemptContext: Query status of
> ta_1411164263773_0003_000001_000016_00 is changed to TA_RUNNING
> 2014-09-20 07:05:21,898 INFO org.apache.tajo.worker.TaskRunner: Received
> ShouldDie
> flag:eb_1411164263773_0003_000001,container_1411164263773_0003_01_000063
> 2014-09-20 07:05:21,898 INFO org.apache.tajo.worker.TaskRunner: Stop
> TaskRunner:
> eb_1411164263773_0003_000001,container_1411164263773_0003_01_000063
> 2014-09-20 07:05:21,898 INFO org.apache.tajo.worker.TaskRunnerManager: Stop
> Task:eb_1411164263773_0003_000001,container_1411164263773_0003_01_00006
> 3
> 2014-09-20 07:05:21,899 INFO org.apache.tajo.worker.TaskRunnerManager:
> ======================== Processing eb_1411164263773_0003_000001 of type STO
> P
> 2014-09-20 07:05:21,899 INFO
> org.apache.tajo.storage.HashShuffleAppenderManager: Close
> HashShuffleAppender:eb_1411164263773_0003_000001, not a hash shuffle
> 2014-09-20 07:05:21,899 INFO org.apache.tajo.worker.TaskAttemptContext: Query
> status of ta_1411164263773_0003_000001_000006_00 is changed to TA_FAILED
> 2014-09-20 07:05:21,899 INFO org.apache.tajo.worker.TaskAttemptContext: Query
> status of ta_1411164263773_0003_000001_000016_00 is changed to TA_FAILED
> 2014-09-20 07:05:21,899 INFO org.apache.tajo.worker.TaskAttemptContext: Query
> status of ta_1411164263773_0003_000001_000009_00 is changed to TA_FAILED
> 2014-09-20 07:05:21,899 INFO org.apache.tajo.worker.TaskAttemptContext: Query
> status of ta_1411164263773_0003_000001_000011_00 is changed to TA_FAILED
> 2014-09-20 07:05:21,899 INFO org.apache.tajo.worker.TaskAttemptContext: Query
> status of ta_1411164263773_0003_000001_000013_00 is changed to TA_FAILED
> 2014-09-20 07:05:21,899 INFO
> org.apache.tajo.storage.HashShuffleAppenderManager: Close
> HashShuffleAppender:eb_1411164263773_0003_000001, not a hash shuffle
> 2014-09-20 07:05:21,899 INFO org.apache.tajo.worker.TaskRunnerManager:
> Stopped execution block:eb_1411164263773_0003_000001
> 2014-09-20 07:05:21,900 INFO org.apache.tajo.worker.TaskAttemptContext: Query
> status of ta_1411164263773_0003_000001_000017_00 is changed to TA_PENDING
> 2014-09-20 07:05:21,900 INFO org.apache.tajo.worker.Task:
> ==================================
> 2014-09-20 07:05:21,900 INFO org.apache.tajo.worker.Task: * Subquery
> ta_1411164263773_0003_000001_000017_00 is initialized
> 2014-09-20 07:05:21,901 INFO org.apache.tajo.worker.Task: * InterQuery: true,
> Use RANGE_SHUFFLE shuffle, Fragments (num: 1), Fetches (total:0) :
> 2014-09-20 07:05:21,901 INFO org.apache.tajo.worker.Task: * Local task dir:
> file:/data07/tajo/data/q_1411164263773_0003/output/1/17_0
> 2014-09-20 07:05:21,901 ERROR org.apache.tajo.worker.Task: >>>>>>>>>
> compilationContext is NULL
> java.lang.NullPointerException: >>>>>>>>> compilationContext is NULL
> at
> org.apache.tajo.worker.ExecutionBlockSharedResource.getCompiledComparator(ExecutionBlockSharedResource.java:121)
> at
> org.apache.tajo.engine.planner.physical.SortExec.<init>(SortExec.java:48)
> at
> org.apache.tajo.engine.planner.physical.ExternalSortExec.<init>(ExternalSortExec.java:104)
> at
> org.apache.tajo.engine.planner.physical.ExternalSortExec.<init>(ExternalSortExec.java:139)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createBestSortPlan(PhysicalPlannerImpl.java:1122)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createSortPlan(PhysicalPlannerImpl.java:1117)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createPlanRecursive(PhysicalPlannerImpl.java:206)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createPlan(PhysicalPlannerImpl.java:87)
> at
> org.apache.tajo.worker.TajoQueryEngine.createPlan(TajoQueryEngine.java:44)
> at org.apache.tajo.worker.Task.run(Task.java:434)
> {noformat}
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