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https://issues.apache.org/jira/browse/HIVE-5112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13746868#comment-13746868
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Gunther Hagleitner commented on HIVE-5112:
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I believe updating the dependency and leaving the generated code won't work.
The lib isn't backwards compatible wrt to old generated code. I think the only
real guarantee around compat is on the wire protocol.
With that: I think waiting until 2.1.0-beta and switching to that with proto
2.5 at the same time is still the best option.
> Upgrade protobuf to 2.5 from 2.4
> --------------------------------
>
> Key: HIVE-5112
> URL: https://issues.apache.org/jira/browse/HIVE-5112
> Project: Hive
> Issue Type: Improvement
> Reporter: Brock Noland
> Assignee: Owen O'Malley
> Attachments: HIVE-5112.D12429.1.patch
>
>
> Hadoop and Hbase have both upgraded protobuf. We should as well.
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