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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-11013) LLAP: MiniTez tez_join_hash test on the branch fails with NPE
Date Mon, 15 Jun 2015 23:58:01 GMT
Sergey Shelukhin created HIVE-11013:
---------------------------------------

             Summary: LLAP: MiniTez tez_join_hash test on the branch fails with NPE
                 Key: HIVE-11013
                 URL: https://issues.apache.org/jira/browse/HIVE-11013
             Project: Hive
          Issue Type: Sub-task
            Reporter: Sergey Shelukhin
            Assignee: Matt McCline


Line numbers are shifted due to logging; the NPE is at 
{noformat}
        hashMapRowGetters = new ReusableGetAdaptor[mapJoinTables.length];
{noformat}
So looks like mapJoinTables is null.
I added logging to see if they could be set to null from cache, but that doesn't seem to be
the case.
Looks like initializeOp is not called. 



{noformat}
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Unexpected exception from MapJoinOperator
: null
	at org.apache.hadoop.hive.ql.exec.MapJoinOperator.process(MapJoinOperator.java:428)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:872)
	at org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:87)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:872)
	at org.apache.hadoop.hive.ql.exec.CommonJoinOperator.internalForward(CommonJoinOperator.java:643)
	at org.apache.hadoop.hive.ql.exec.CommonJoinOperator.genUniqueJoinObject(CommonJoinOperator.java:656)
	at org.apache.hadoop.hive.ql.exec.CommonJoinOperator.genUniqueJoinObject(CommonJoinOperator.java:659)
	at org.apache.hadoop.hive.ql.exec.CommonJoinOperator.checkAndGenObject(CommonJoinOperator.java:755)
	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.joinObject(CommonMergeJoinOperator.java:315)
	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.joinOneGroup(CommonMergeJoinOperator.java:278)
	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.joinOneGroup(CommonMergeJoinOperator.java:271)
	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.process(CommonMergeJoinOperator.java:257)
	at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource$GroupIterator.next(ReduceRecordSource.java:361)
	... 17 more
Caused by: java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.exec.MapJoinOperator.process(MapJoinOperator.java:339)
	... 29 more
{noformat}



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