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https://issues.apache.org/jira/browse/HBASE-10321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13869919#comment-13869919
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Hudson commented on HBASE-10321:
--------------------------------
SUCCESS: Integrated in HBase-TRUNK #4810 (See
[https://builds.apache.org/job/HBase-TRUNK/4810/])
HBASE-10321 CellCodec has broken the 96 client to 98 server compatibility
(anoopsamjohn: rev 1557781)
*
/hbase/trunk/hbase-common/src/main/java/org/apache/hadoop/hbase/codec/CellCodec.java
*
/hbase/trunk/hbase-common/src/main/java/org/apache/hadoop/hbase/codec/CellCodecV2.java
*
/hbase/trunk/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestCellCodec.java
*
/hbase/trunk/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestCellCodecV2.java
> CellCodec has broken the 96 client to 98 server compatibility
> -------------------------------------------------------------
>
> Key: HBASE-10321
> URL: https://issues.apache.org/jira/browse/HBASE-10321
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.98.0
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Priority: Blocker
> Fix For: 0.98.0, 0.99.0
>
> Attachments: HBASE-10321.patch, HBASE-10321_V2.patch
>
>
> The write/read tags added in CellCodec has broken the 96 client to 98 server
> compatibility (and 98 client to 96 server)
> When 96 client CellCodec writes cell, it won't write tags part at all. But
> the server expects a tag part, at least a 0 tag length. This tag length read
> will make a read of some bytes from next cell!
> I suggest we can remove the tag part from CellCodec. This codec is not used
> by default and I don't think some one will change to CellCodec from the
> default KVCodec now. ..
> This makes tags not supported via CellCodec..Tag support can be added to
> CellCodec once we have Connection negotiation in place (?)
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