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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10697) ObjectInspectorConvertors#UnionConvertor does a faulty conversion
Date Wed, 19 Aug 2015 10:07:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14702798#comment-14702798
] 

Hive QA commented on HIVE-10697:
--------------------------------



{color:green}Overall{color}: +1 all checks pass

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12751109/HIVE-10697.2.patch.txt

{color:green}SUCCESS:{color} +1 9370 tests passed

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5007/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5007/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-5007/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12751109 - PreCommit-HIVE-TRUNK-Build

> ObjectInspectorConvertors#UnionConvertor does a faulty conversion
> -----------------------------------------------------------------
>
>                 Key: HIVE-10697
>                 URL: https://issues.apache.org/jira/browse/HIVE-10697
>             Project: Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>            Reporter: Swarnim Kulkarni
>            Assignee: Swarnim Kulkarni
>         Attachments: HIVE-10697.1.patch.txt, HIVE-10697.2.patch.txt
>
>
> Currently the UnionConvertor in the ObjectInspectorConvertors class has an issue with
the convert method where it attempts to convert the objectinspector itself instead of converting
the field.[1]. This should be changed to convert the field itself. This could result in a
ClassCastException as shown below:
> {code}
> Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.serde2.lazy.objectinspector.LazyUnionObjectInspector
cannot be cast to org.apache.hadoop.hive.serde2.lazy.LazyString
> 	at org.apache.hadoop.hive.serde2.lazy.objectinspector.primitive.LazyStringObjectInspector.getPrimitiveWritableObject(LazyStringObjectInspector.java:51)
> 	at org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorConverter$TextConverter.convert(PrimitiveObjectInspectorConverter.java:391)
> 	at org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorConverter$TextConverter.convert(PrimitiveObjectInspectorConverter.java:338)
> 	at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters$UnionConverter.convert(ObjectInspectorConverters.java:456)
> 	at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters$StructConverter.convert(ObjectInspectorConverters.java:395)
> 	at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters$MapConverter.convert(ObjectInspectorConverters.java:539)
> 	at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters$StructConverter.convert(ObjectInspectorConverters.java:395)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.readRow(MapOperator.java:154)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.access$200(MapOperator.java:127)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:518)
> 	... 9 more
> {code}
> [1] https://github.com/apache/hive/blob/master/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ObjectInspectorConverters.java#L466



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