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https://issues.apache.org/jira/browse/DRILL-6133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16354199#comment-16354199
 ] 

Paul Rogers commented on DRILL-6133:
------------------------------------

This looks familiar; it may have been fixed in my private branch. I'll take a 
look to see if I can just port the fix to master.

> RecordBatchSizer throws IndexOutOfBounds Exception for union vector
> -------------------------------------------------------------------
>
>                 Key: DRILL-6133
>                 URL: https://issues.apache.org/jira/browse/DRILL-6133
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>    Affects Versions: 1.12.0
>            Reporter: Padma Penumarthy
>            Assignee: Padma Penumarthy
>            Priority: Minor
>             Fix For: 1.13.0
>
>
> RecordBatchSizer throws IndexOutOfBoundsException when trying to get payload 
> byte count of union vector. 
> [Error Id: 430026a7-a963-40f1-bae2-1850649e8434 on 172.30.8.158:31013]
>  at 
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:633)
>  ~[classes/:na]
>  at 
> org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:300)
>  [classes/:na]
>  at 
> org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:160)
>  [classes/:na]
>  at 
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:266)
>  [classes/:na]
>  at 
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
>  [classes/:na]
>  at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_45]
>  at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_45]
>  at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]
> Caused by: java.lang.IndexOutOfBoundsException: DrillBuf[2], udle: [1 0..0], 
> index: 40000, length: 4 (expected: range(0, 0))
> DrillBuf[2], udle: [1 0..0]
>  at 
> org.apache.drill.exec.memory.BoundsChecking.checkIndex(BoundsChecking.java:80)
>  ~[classes/:na]
>  at 
> org.apache.drill.exec.memory.BoundsChecking.lengthCheck(BoundsChecking.java:86)
>  ~[classes/:na]
>  at io.netty.buffer.DrillBuf.chk(DrillBuf.java:114) ~[classes/:4.0.48.Final]
>  at io.netty.buffer.DrillBuf.getInt(DrillBuf.java:484) 
> ~[classes/:4.0.48.Final]
>  at 
> org.apache.drill.exec.vector.UInt4Vector$Accessor.get(UInt4Vector.java:432) 
> ~[classes/:na]
>  at 
> org.apache.drill.exec.vector.VarCharVector.getPayloadByteCount(VarCharVector.java:308)
>  ~[classes/:na]
>  at 
> org.apache.drill.exec.vector.NullableVarCharVector.getPayloadByteCount(NullableVarCharVector.java:256)
>  ~[classes/:na]
>  at 
> org.apache.drill.exec.vector.complex.AbstractMapVector.getPayloadByteCount(AbstractMapVector.java:303)
>  ~[classes/:na]
>  at 
> org.apache.drill.exec.vector.complex.UnionVector.getPayloadByteCount(UnionVector.java:574)
>  ~[classes/:na]
>  at 
> org.apache.drill.exec.physical.impl.spill.RecordBatchSizer$ColumnSize.<init>(RecordBatchSizer.java:147)
>  ~[classes/:na]
>  at 
> org.apache.drill.exec.physical.impl.spill.RecordBatchSizer.measureColumn(RecordBatchSizer.java:403)
>  ~[classes/:na]
>  at 
> org.apache.drill.exec.physical.impl.spill.RecordBatchSizer.<init>(RecordBatchSizer.java:350)
>  ~[classes/:na]
>  at 
> org.apache.drill.exec.physical.impl.spill.RecordBatchSizer.<init>(RecordBatchSizer.java:320)
>  ~[classes/:na]



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