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https://issues.apache.org/jira/browse/HDDS-3604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17109586#comment-17109586
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Uma Maheswara Rao G commented on HDDS-3604:
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CC [~bharat]
Recently Bharat verified and faced the class cast issues due to shaded packages
of Message class.
> Support for Hadoop-3.3
> ----------------------
>
> Key: HDDS-3604
> URL: https://issues.apache.org/jira/browse/HDDS-3604
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Reporter: Vinayakumar B
> Priority: Major
>
> Hadoop-3.3 will be released soon, which brings the most important and long
> awaited Protobuf upgrade to 3.7, by shading the internal protobuf classes in
> Hadoop-thirdparty library, still keeping the protobuf-2.5.0 as a transitive
> dependency.
> Unfortunately, There are direct usages of Hadoop's internal protobuf classes.
> Because of this, ozone breaks after upgrading hadoop dependency to 3.3.0
> This Jira intends to do avoid such direct usages of hadoop's protobuf classes.
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