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https://issues.apache.org/jira/browse/HADOOP-16621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17010708#comment-17010708
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Ayush Saxena commented on HADOOP-16621:
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Thanx [~vinayakumarb] for the details. Unless and until the compat guidelines
doesn't blocks us from going ahead. The option #1 seems a better approach to me.
Anyway if we go by the words in the compat, it allows changes in minor releases
to the ones marked evolving. Technically, this shouldn't violate the
compatibility guidelines.
> [pb-upgrade] spark-hive doesn't compile against hadoop trunk because of
> Token's marshalling
> -------------------------------------------------------------------------------------------
>
> Key: HADOOP-16621
> URL: https://issues.apache.org/jira/browse/HADOOP-16621
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: common
> Affects Versions: 3.3.0
> Reporter: Steve Loughran
> Assignee: Vinayakumar B
> Priority: Critical
>
> the move to protobuf 3.x stops spark building because Token has a method
> which returns a protobuf, and now its returning some v3 types.
> if we want to isolate downstream code from protobuf changes, we need to move
> that marshalling method from token and put in a helper class.
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