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https://issues.apache.org/jira/browse/HBASE-4784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Helmling updated HBASE-4784:
---------------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Committed to 0.92 branch and trunk. Thanks for the review guys.
> Void return types not handled correctly for CoprocessorProtocol methods
> -----------------------------------------------------------------------
>
> Key: HBASE-4784
> URL: https://issues.apache.org/jira/browse/HBASE-4784
> Project: HBase
> Issue Type: Bug
> Components: coprocessors
> Affects Versions: 0.92.0, 0.94.0
> Reporter: Gary Helmling
> Assignee: Gary Helmling
> Priority: Critical
> Fix For: 0.92.0
>
> Attachments: HBASE-4784.patch
>
>
> If a CoprocessorProtocol derived interface defines a method with a void
> return type, the method cannot be called using HTable.coprocessorExec().
> Instead ExecResult will throw an IOException on the client trying to do a
> Class.forName() on "void".
> Looking at ExecResult, it appears that the valueType field (which causes the
> error) is no longer even used, so I'd suggest we just get rid of it.
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