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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6340) HBase RPC does not allow protocol extension with common interfaces.
Date Sat, 18 Aug 2012 22:57:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13437429#comment-13437429
] 

Konstantin Shvachko commented on HBASE-6340:
--------------------------------------------

Ted, thanks for porting it to .94. 
We use .92 in Giraffa as of today. Let me check how much effort to upgrade to .94.
If it is possible (compatibility with hdfs.22) then .94 will be good. Otherwise I'll submit
a patch for .92.
Thanks, guys.
                
> HBase RPC does not allow protocol extension with common interfaces.
> -------------------------------------------------------------------
>
>                 Key: HBASE-6340
>                 URL: https://issues.apache.org/jira/browse/HBASE-6340
>             Project: HBase
>          Issue Type: Bug
>          Components: coprocessors, regionserver
>    Affects Versions: 0.92.0
>            Reporter: Konstantin Shvachko
>            Assignee: Konstantin Shvachko
>         Attachments: 6340-RPCInvocation.patch, RPCInvocation.patch
>
>
> HBase RPC fails if MyProtocol extends an interface, which is not a VersionedProtocol
even if MyProtocol also directly extends VersionedProtocol. The reason is that rpc Invocation
uses Method.getDeclaringClass(), which returns the interface class rather than the class of
MyProtocol.

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