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Date: Tue, 1 Nov 2011 05:28:32 +0000 (UTC)
From: "stack (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HBASE-4710) HBaseRPC$UnknownProtocolException
 should abort any client retries in HConnectionManager
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    [ https://issues.apache.org/jira/browse/HBASE-4710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140947#comment-13140947 ] 

stack commented on HBASE-4710:
------------------------------

+1 on patch.
                
> HBaseRPC$UnknownProtocolException should abort any client retries in HConnectionManager
> ---------------------------------------------------------------------------------------
>
>                 Key: HBASE-4710
>                 URL: https://issues.apache.org/jira/browse/HBASE-4710
>             Project: HBase
>          Issue Type: Bug
>          Components: coprocessors
>    Affects Versions: 0.92.0, 0.94.0
>            Reporter: Gary Helmling
>            Assignee: Gary Helmling
>             Fix For: 0.92.0
>
>         Attachments: HBASE-4710.patch
>
>
> While {{HBaseRPC$UnknownProtocolException}} currently extends {{DoNotRetryIOException}}, it's still allowing retries of client RPCs when encountered in {{HConnectionManager.getRegionServerWithRetries()}}.  It turns out that {{UnknownProtocolException}} is missing a public constructor taking a single {{String}} argument, which is required when unwrapping an {{IOException}} from a {{RemoteException}} in {{RemoteExceptionHandler.decodeRemoteException()}}.

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