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From "Hari Sekhon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12176) NullPointerException in VectorUDAFMinString
Date Wed, 14 Oct 2015 14:44:05 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hari Sekhon updated HIVE-12176:
-------------------------------
    Attachment: hive-nullpointexception-tez.txt
                hive-nullpointexception-mr.txt

> NullPointerException in VectorUDAFMinString
> -------------------------------------------
>
>                 Key: HIVE-12176
>                 URL: https://issues.apache.org/jira/browse/HIVE-12176
>             Project: Hive
>          Issue Type: Bug
>          Components: SQL, UDF, Vectorization
>    Affects Versions: 1.2.1
>         Environment: HDP 2.3 + Kerberos
>            Reporter: Hari Sekhon
>            Assignee: Jitendra Nath Pandey
>            Priority: Critical
>         Attachments: hive-nullpointexception-mr.txt, hive-nullpointexception-tez.txt
>
>
> Hive gets the following NullPointerException when trying to go a group by aggregate.
> This occurs whether the engine is Tez or MR.
> I'm attaching the full outputs from the hive session, but here is the crux of it:
> {code}
> Error: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException:
Hive Runtime Error while processing row
>         at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:172)
>         at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
>         at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453)
>         at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
>         at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:422)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
>         at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
processing row
>         at org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.process(VectorMapOperator.java:52)
>         at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:163)
>         ... 8 more
> Caused by: java.lang.NullPointerException
>         at java.lang.System.arraycopy(Native Method)
>         at org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates.gen.VectorUDAFMinString$Aggregation.assign(VectorUDAFMinString.java:78)
>         at org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates.gen.VectorUDAFMinString$Aggregation.checkValue(VectorUDAFMinString.java:65)
>         at org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates.gen.VectorUDAFMinString.aggregateInput(VectorUDAFMinString.java:279)
>         at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeBase.processAggregators(VectorGroupByOperator.java:157)
>         at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeHashAggregate.processBatch(VectorGroupByOperator.java:335)
>         at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator.process(VectorGroupByOperator.java:880)
>         at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:837)
>         at org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:138)
>         at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:837)
>         at org.apache.hadoop.hive.ql.exec.vector.VectorFilterOperator.process(VectorFilterOperator.java:117)
>         at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:837)
>         at org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:97)
>         at org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.forward(MapOperator.java:162)
>         at org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.process(VectorMapOperator.java:45)
>         ... 9 more
> {code}



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