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https://issues.apache.org/jira/browse/HBASE-13646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14614066#comment-14614066
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Sean Busbey commented on HBASE-13646:
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any chance this can go in this weekend?
> HRegion#execService should not try to build incomplete messages
> ---------------------------------------------------------------
>
> Key: HBASE-13646
> URL: https://issues.apache.org/jira/browse/HBASE-13646
> Project: HBase
> Issue Type: Bug
> Components: Coprocessors, regionserver
> Affects Versions: 2.0.0, 1.2.0, 1.1.1
> Reporter: Andrey Stepachev
> Assignee: Andrey Stepachev
> Fix For: 2.0.0
>
> Attachments: HBASE-13646-branch-1.patch, HBASE-13646.patch,
> HBASE-13646.v2.patch, HBASE-13646.v2.patch
>
>
> If some RPC service, called on region throws exception, execService still
> tries to build Message. In case of complex messages with required fields it
> complicates service code because service need to pass fake protobuf objects,
> so they can be barely buildable.
> To mitigate that I propose to check that controller was failed and return
> null from call instead of failing with exception.
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