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https://issues.apache.org/jira/browse/TAJO-822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi resolved TAJO-822.
-------------------------------
Resolution: Cannot Reproduce
> Appare NPE at createSortAggregation
> -----------------------------------
>
> Key: TAJO-822
> URL: https://issues.apache.org/jira/browse/TAJO-822
> Project: Tajo
> Issue Type: Bug
> Reporter: Seungun Choe
> Assignee: Mai Hai Thanh
>
> {code}
> 2014-05-12 09:59:28,113 INFO org.apache.tajo.worker.TaskRunner: Request
> GetTask: eb_1399855530957_0002_000006,container_1399855530957_0002_01_000004
> 2014-05-12 09:59:28,237 INFO org.apache.tajo.worker.TaskRunner: Accumulated
> Received Task: 3
> 2014-05-12 09:59:28,237 INFO org.apache.tajo.worker.TaskRunner: Initializing:
> ta_1399855530957_0002_000006_000000_02
> 2014-05-12 09:59:28,289 INFO org.apache.tajo.worker.TaskAttemptContext: Query
> status of ta_1399855530957_0002_000006_000000_02 is changed to TA_PENDING
> 2014-05-12 09:59:28,289 INFO org.apache.tajo.worker.Task:
> ==================================
> 2014-05-12 09:59:28,289 INFO org.apache.tajo.worker.Task: * Subquery
> ta_1399855530957_0002_000006_000000_02 is initialized
> 2014-05-12 09:59:28,289 INFO org.apache.tajo.worker.Task: * InterQuery: true,
> Use HASH_SHUFFLE shuffle
> 2014-05-12 09:59:28,289 INFO org.apache.tajo.worker.Task: * Fragments (num: 3)
> 2014-05-12 09:59:28,289 INFO org.apache.tajo.worker.Task: * Fetches (total:0)
> :
> 2014-05-12 09:59:28,289 INFO org.apache.tajo.worker.Task: * Local task dir:
> file:/data3/tmp/tajo-localdir/q_1399855530957_0002/output/6/0_2
> 2014-05-12 09:59:28,289 INFO org.apache.tajo.worker.Task:
> ==================================
> 2014-05-12 09:59:28,290 INFO org.apache.tajo.worker.TaskAttemptContext: Query
> status of ta_1399855530957_0002_000006_000000_02 is changed to TA_RUNNING
> 2014-05-12 09:59:28,290 INFO
> org.apache.tajo.engine.planner.PhysicalPlannerImpl:
> [ta_1399855530957_0002_000006_000000_02] the volume of Left relations
> (db_name.table1) is 3.2 GiB and is not fit to main maemory.
> 2014-05-12 09:59:28,291 INFO
> org.apache.tajo.engine.planner.PhysicalPlannerImpl:
> [ta_1399855530957_0002_000006_000000_02] the volume of Right relations
> (db_name.table3) is 116.2 KiB and is fit to main maemory.
> 2014-05-12 09:59:28,291 INFO
> org.apache.tajo.engine.planner.PhysicalPlannerImpl: Join (28) chooses
> [In-memory Hash Join]
> 2014-05-12 09:59:28,291 INFO
> org.apache.tajo.engine.planner.PhysicalPlannerImpl:
> [ta_1399855530957_0002_000006_000000_02] Right relations db_name.table3
> (116.2 KiB) is smaller than Left relations db_name.table1 (3.2 GiB).
> 2014-05-12 09:59:28,292 INFO
> org.apache.tajo.engine.planner.PhysicalPlannerImpl:
> [ta_1399855530957_0002_000006_000000_02] the volume of Left relations
> (db_name.table1, db_name.table3) is 3.2 GiB and is not fit to main maemory.
> 2014-05-12 09:59:28,292 INFO
> org.apache.tajo.engine.planner.PhysicalPlannerImpl:
> [ta_1399855530957_0002_000006_000000_02] the volume of Right relations
> (db_name.table2) is 33.5 KiB and is fit to main maemory.
> 2014-05-12 09:59:28,292 INFO
> org.apache.tajo.engine.planner.PhysicalPlannerImpl: Join (29) chooses
> [In-memory Hash Join]
> 2014-05-12 09:59:28,293 INFO
> org.apache.tajo.engine.planner.PhysicalPlannerImpl:
> [ta_1399855530957_0002_000006_000000_02] Right relations db_name.table2 (33.5
> KiB) is smaller than Left relations db_name.table1, db_name.table3 (3.2 GiB).
> 2014-05-12 09:59:28,294 INFO
> org.apache.tajo.engine.planner.PhysicalPlannerImpl: The planner chooses [Sort
> Aggregation] in (db_name.vtaozinrp1.col1 (TEXT) (asc))
> 2014-05-12 09:59:28,294 ERROR org.apache.tajo.worker.Task:
> java.lang.NullPointerException
> {code}
> Query consist 5 tables join.
> NPE appeared when join condition had null data.
> Condtition data is partition data or not.
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