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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4710) HBaseRPC$UnknownProtocolException should abort any client retries in HConnectionManager
Date Tue, 01 Nov 2011 20:31:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13141543#comment-13141543
] 

Hudson commented on HBASE-4710:
-------------------------------

Integrated in HBase-0.92 #94 (See [https://builds.apache.org/job/HBase-0.92/94/])
    Amend HBASE-4710  Fix CHANGES.txt addition
HBASE-4710  UnknownProtocolException should abort client retries as a DoNotRetryIOException

garyh : 
Files : 
* /hbase/branches/0.92/CHANGES.txt

garyh : 
Files : 
* /hbase/branches/0.92/CHANGES.txt
* /hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/ipc/HBaseRPC.java

                
> 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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