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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9541) icv fails w/ npe if client does not support cellblocks
Date Mon, 16 Sep 2013 05:11:53 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13768066#comment-13768066
] 

stack commented on HBASE-9541:
------------------------------

Problem is that we presume cellblocks when we return mutations rather than checking what client
supports as we do in other locations; i.e. HBASE-9230 was not comprehensive enough.

I went through and converted over all but multiGet.  That is a little awkward.  Will come
back around for that.
                
> icv fails w/ npe if client does not support cellblocks
> ------------------------------------------------------
>
>                 Key: HBASE-9541
>                 URL: https://issues.apache.org/jira/browse/HBASE-9541
>             Project: HBase
>          Issue Type: Bug
>          Components: IPC/RPC
>            Reporter: stack
>            Assignee: stack
>
> BenoƮt found an npe migrating asynchbase to 0.96 exercising icv:
> {code}
> 2013-09-14 23:27:17,305 WARN  [RpcServer.handler=10,port=60934]
> ipc.RpcServer: RpcServer.handler=10,port=60934: caught:
> java.lang.NullPointerException
>         at org.apache.hadoop.hbase.ipc.RpcServer.channelWrite(RpcServer.java:2346)
>         at org.apache.hadoop.hbase.ipc.RpcServer$Responder.processResponse(RpcServer.java:985)
>         at org.apache.hadoop.hbase.ipc.RpcServer$Responder.doRespond(RpcServer.java:1062)
>         at org.apache.hadoop.hbase.ipc.RpcServer$Call.sendResponseIfReady(RpcServer.java:478)
>         at org.apache.hadoop.hbase.ipc.RpcServer$Handler.run(RpcServer.java:1875)
> {code}
> This is stalling progress on asynchbase migration.

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