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https://issues.apache.org/jira/browse/HIVE-3168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13413447#comment-13413447
]
Hudson commented on HIVE-3168:
------------------------------
Integrated in Hive-trunk-h0.21 #1539 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/1539/])
HIVE-3168: LazyBinaryObjectInspector.getPrimitiveJavaObject copies beyond
length of underlying BytesWritable (Thejas Nair via Ashutosh Chauhan) (Revision
1360812)
Result = SUCCESS
hashutosh :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1360812
Files :
* /hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/lazy/LazyUtils.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/lazy/objectinspector/primitive/LazyBinaryObjectInspector.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/primitive/JavaBinaryObjectInspector.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/primitive/WritableBinaryObjectInspector.java
*
/hive/trunk/serde/src/test/org/apache/hadoop/hive/serde2/lazybinary/TestLazyBinarySerDe.java
> LazyBinaryObjectInspector.getPrimitiveJavaObject copies beyond length of
> underlying BytesWritable
> -------------------------------------------------------------------------------------------------
>
> Key: HIVE-3168
> URL: https://issues.apache.org/jira/browse/HIVE-3168
> Project: Hive
> Issue Type: Bug
> Components: Serializers/Deserializers
> Affects Versions: 0.9.0
> Reporter: Thejas M Nair
> Assignee: Thejas M Nair
> Fix For: 0.10.0
>
> Attachments: HIVE-3168.1.patch, HIVE-3168.2.patch, HIVE-3168.3.patch
>
>
> LazyBinaryObjectInspector.getPrimitiveJavaObject copies the full capacity of
> the LazyBinary's underlying BytesWritable object, which can be greater than
> the size of the actual contents.
> This leads to additional characters at the end of the ByteArrayRef returned.
> When the LazyBinary object gets re-used, there can be remnants of the later
> portion of previous entry.
> This was not seen while reading through hive queries, which I think is
> because a copy elsewhere seems to create LazyBinary with length == capacity.
> (probably LazyBinary copy constructor). This was seen when MR or pig used
> Hcatalog to read the data.
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