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https://issues.apache.org/jira/browse/HIVE-22444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16972496#comment-16972496
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David Mollitor commented on HIVE-22444:
---------------------------------------

[~mgergely] Good question. I'm not sure how backwards compatible 3.3 is with 
the 2.x library currently in Hive.

I want to introduce it to as few places as possible so that we don't end up 
testing with setups that don't reflect most production setups. (Do most setups 
have protobuf 3.x on the classpath?)

I think the better option would be to open a separate ticket to upgrade the 
entire project to protobuf 3.x ([HIVE-20359])

> Clean up Project POM Files
> --------------------------
>
>                 Key: HIVE-22444
>                 URL: https://issues.apache.org/jira/browse/HIVE-22444
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: David Mollitor
>            Assignee: David Mollitor
>            Priority: Major
>         Attachments: HIVE-22444.1.patch, HIVE-22444.10.patch, 
> HIVE-22444.11.patch, HIVE-22444.2.patch, HIVE-22444.3.patch, 
> HIVE-22444.4.patch, HIVE-22444.5.patch, HIVE-22444.6.patch, 
> HIVE-22444.7.patch, HIVE-22444.8.patch, HIVE-22444.9.patch
>
>
> # Address warnings in the build process
>  # Use DependencyManagement in Root POM for ITest (see HIVE-22426)
>  # General POM cleanup



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