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https://issues.apache.org/jira/browse/HADOOP-13363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16941228#comment-16941228
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Michael Stack commented on HADOOP-13363:
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bq. If we are passing protobuf types around, either as inputs or outputs. Then
we cannot shade the artifacts. And so: we cannot update protobuf
"transparently".
bq. ....but it is probably a symptom of a bigger problem -protobuf types in
public APIs
If it helps, in hbase, we've been working to remove all mention of pb in API. A
few instances remain still (though they'll be gone soon). For this small set of
remainders, we use a different (unshaded) version of pb from that which we use
internally. The internal usage relies on the relocated/shaded protobuf. In a
few cases, we even have convertion that moves data/invocation-description from
old pb to new (shaded) pb.
> Upgrade protobuf from 2.5.0 to something newer
> ----------------------------------------------
>
> Key: HADOOP-13363
> URL: https://issues.apache.org/jira/browse/HADOOP-13363
> Project: Hadoop Common
> Issue Type: Improvement
> Components: build
> Affects Versions: 3.0.0-alpha1, 3.0.0-alpha2
> Reporter: Anu Engineer
> Assignee: Vinayakumar B
> Priority: Major
> Labels: security
> Attachments: HADOOP-13363.001.patch, HADOOP-13363.002.patch,
> HADOOP-13363.003.patch, HADOOP-13363.004.patch, HADOOP-13363.005.patch
>
>
> Standard protobuf 2.5.0 does not work properly on many platforms. (See, for
> example, https://gist.github.com/BennettSmith/7111094 ). In order for us to
> avoid crazy work arounds in the build environment and the fact that 2.5.0 is
> starting to slowly disappear as a standard install-able package for even
> Linux/x86, we need to either upgrade or self bundle or something else.
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