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https://issues.apache.org/jira/browse/HIVE-14483?focusedWorklogId=446744&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-446744
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ASF GitHub Bot logged work on HIVE-14483:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 16/Jun/20 16:57
            Start Date: 16/Jun/20 16:57
    Worklog Time Spent: 10m 
      Work Description: github-actions[bot] commented on pull request #96:
URL: https://github.com/apache/hive/pull/96#issuecomment-644888376


   This pull request has been automatically marked as stale because it has not 
had recent activity. It will be closed if no further activity occurs.
   Feel free to reach out on the [email protected] list if the patch is in 
need of reviews.


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 446744)
    Remaining Estimate: 0h
            Time Spent: 10m

>  java.lang.ArrayIndexOutOfBoundsException 
> org.apache.orc.impl.TreeReaderFactory$BytesColumnVectorUtil.commonReadByteArrays
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-14483
>                 URL: https://issues.apache.org/jira/browse/HIVE-14483
>             Project: Hive
>          Issue Type: Bug
>          Components: ORC
>    Affects Versions: 2.1.0
>            Reporter: Sergey Zadoroshnyak
>            Assignee: Sergey Zadoroshnyak
>            Priority: Critical
>             Fix For: 1.3.0, 2.0.2, 2.1.1, 2.2.0
>
>         Attachments: HIVE-14483.01.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Error message:
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 1024
> at 
> org.apache.orc.impl.RunLengthIntegerReaderV2.nextVector(RunLengthIntegerReaderV2.java:369)
> at 
> org.apache.orc.impl.TreeReaderFactory$BytesColumnVectorUtil.commonReadByteArrays(TreeReaderFactory.java:1231)
> at 
> org.apache.orc.impl.TreeReaderFactory$BytesColumnVectorUtil.readOrcByteArrays(TreeReaderFactory.java:1268)
> at 
> org.apache.orc.impl.TreeReaderFactory$StringDirectTreeReader.nextVector(TreeReaderFactory.java:1368)
> at 
> org.apache.orc.impl.TreeReaderFactory$StringTreeReader.nextVector(TreeReaderFactory.java:1212)
> at 
> org.apache.orc.impl.TreeReaderFactory$ListTreeReader.nextVector(TreeReaderFactory.java:1902)
> at 
> org.apache.orc.impl.TreeReaderFactory$StructTreeReader.nextBatch(TreeReaderFactory.java:1737)
> at org.apache.orc.impl.RecordReaderImpl.nextBatch(RecordReaderImpl.java:1045)
> at 
> org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.ensureBatch(RecordReaderImpl.java:77)
> at 
> org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.hasNext(RecordReaderImpl.java:89)
> at 
> org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$OrcRecordReader.next(OrcInputFormat.java:230)
> at 
> org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$OrcRecordReader.next(OrcInputFormat.java:205)
> at 
> org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:350)
> ... 22 more
> How to reproduce?
> Configure StringTreeReader  which contains StringDirectTreeReader as 
> TreeReader (DIRECT or DIRECT_V2 column encoding)
> batchSize = 1026;
> invoke method nextVector(ColumnVector previousVector,boolean[] isNull, final 
> int batchSize)
> scratchlcv is LongColumnVector with long[] vector  (length 1024)
>  which execute BytesColumnVectorUtil.readOrcByteArrays(stream, lengths, 
> scratchlcv,result, batchSize);
> as result in method commonReadByteArrays(stream, lengths, scratchlcv,
>             result, (int) batchSize) we received 
> ArrayIndexOutOfBoundsException.
> If we use StringDictionaryTreeReader, then there is no exception, as we have 
> a verification  scratchlcv.ensureSize((int) batchSize, false) before 
> reader.nextVector(scratchlcv, scratchlcv.vector, batchSize);
> These changes were made for Hive 2.1.0 by corresponding commit 
> https://github.com/apache/hive/commit/0ac424f0a17b341efe299da167791112e4a953e9#diff-a1cec556fb2db4b69a1a4127a6908177R1467
>  for task  https://issues.apache.org/jira/browse/HIVE-12159 by Owen O'Malley
> How to fix?
> add  only one line :
> scratchlcv.ensureSize((int) batchSize, false) ;
> in method 
> org.apache.orc.impl.TreeReaderFactory#BytesColumnVectorUtil#commonReadByteArrays(InStream
>  stream, IntegerReader lengths,
>         LongColumnVector scratchlcv,
>         BytesColumnVector result, final int batchSize) before invocation 
> lengths.nextVector(scratchlcv, scratchlcv.vector, batchSize);



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