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https://issues.apache.org/jira/browse/HBASE-10321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anoop Sam John updated HBASE-10321:
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Attachment: HBASE-10321.patch
> 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: Critical
> Fix For: 0.98.0, 0.99.0
>
> Attachments: HBASE-10321.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 wont 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. .. Still I feel we can solve it.
> 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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