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From "Gunther Hagleitner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12563) NullPointerException with 3-way Tez merge join
Date Fri, 04 Dec 2015 18:25:11 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15041909#comment-15041909
] 

Gunther Hagleitner commented on HIVE-12563:
-------------------------------------------

LGTM +1. Test failures are unrelated. We should open another jira and see if the same problem
applies to SMB operator (same close op code).

> NullPointerException with 3-way Tez merge join
> ----------------------------------------------
>
>                 Key: HIVE-12563
>                 URL: https://issues.apache.org/jira/browse/HIVE-12563
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 1.2.0
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>         Attachments: HIVE-12563.1.patch
>
>
> Issue occurs in Tez merge joins with 3 way join (A join B join C), where A is the big
table, and A and C end up having 0 rows after table filters.
> Was able to repro this issue with using the sample tables in the Hive unit tests:
> {noformat}
> select
>   a.key, b.value, c.value
> from
>   src a,
>   src1 b,
>   src c
> where
>   a.key = b.key and a.key = c.key
>   and a.value > 'wal_6789'
>   and c.value > 'wal_6789'
> {noformat}
> {noformat}
> ], TaskAttempt 3 failed, info=[Error: Failure while running task:java.lang.RuntimeException:
java.lang.RuntimeException: Hive Runtime Error while closing operators: org.apache.hadoop.hive.ql.metadata.HiveException:
java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
Error while processing row (tag=1) {"key":{"reducesinkkey0":"146"},"value":{"_col0":"val_146"}}
> 	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:171)
> 	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:137)
> 	at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:324)
> 	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:176)
> 	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:168)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:168)
> 	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:163)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:744)
> Caused by: java.lang.RuntimeException: Hive Runtime Error while closing operators: org.apache.hadoop.hive.ql.metadata.HiveException:
java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
Error while processing row (tag=1) {"key":{"reducesinkkey0":"146"},"value":{"_col0":"val_146"}}
> 	at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.close(ReduceRecordProcessor.java:310)
> 	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:162)
> 	... 13 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: org.apache.hadoop.hive.ql.metadata.HiveException:
java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
Error while processing row (tag=1) {"key":{"reducesinkkey0":"146"},"value":{"_col0":"val_146"}}
> 	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.joinOneGroup(CommonMergeJoinOperator.java:312)
> 	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.joinOneGroup(CommonMergeJoinOperator.java:293)
> 	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.joinFinalLeftData(CommonMergeJoinOperator.java:501)
> 	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.closeOp(CommonMergeJoinOperator.java:416)
> 	at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:617)
> 	at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.close(ReduceRecordProcessor.java:287)
> 	... 14 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.RuntimeException:
org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row
(tag=1) {"key":{"reducesinkkey0":"146"},"value":{"_col0":"val_146"}}
> 	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.fetchOneRow(CommonMergeJoinOperator.java:439)
> 	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.fetchNextGroup(CommonMergeJoinOperator.java:407)
> 	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.joinOneGroup(CommonMergeJoinOperator.java:310)
> 	... 19 more
> Caused by: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException:
Hive Runtime Error while processing row (tag=1) {"key":{"reducesinkkey0":"146"},"value":{"_col0":"val_146"}}
> 	at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.pushRecord(ReduceRecordSource.java:302)
> 	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.fetchOneRow(CommonMergeJoinOperator.java:431)
> 	... 21 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
processing row (tag=1) {"key":{"reducesinkkey0":"146"},"value":{"_col0":"val_146"}}
> 	at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource$GroupIterator.next(ReduceRecordSource.java:370)
> 	at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.pushRecord(ReduceRecordSource.java:292)
> 	... 22 more
> Caused by: java.lang.NullPointerException
> 	at org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.process(CommonMergeJoinOperator.java:288)
> 	at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource$GroupIterator.next(ReduceRecordSource.java:361)
> 	... 23 more
> ]], Vertex failed as one or more tasks failed. failedTasks:1, Vertex vertex_1449041190339_0001_1_03
[Reducer 2] killed/failed due to:null]DAG failed due to vertex failure. failedVertices:1 killedVertices:0
> {noformat}



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