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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7072) HBase-5256 breaks 92-94 compatibility
Date Wed, 31 Oct 2012 22:05:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13488285#comment-13488285
] 

Enis Soztutar commented on HBASE-7072:
--------------------------------------

It is just unfortunate that we had HBASE-5256 committed to 0.94. At this point we cannot revert
it since it is already released. It seems that the only thing we can do for 92 is to apply
this patch. 
+1 on the patch. My only nit is to remove the line. 
{code}
+      // super.readFields(in);
{code}
                
> HBase-5256 breaks 92-94 compatibility
> -------------------------------------
>
>                 Key: HBASE-7072
>                 URL: https://issues.apache.org/jira/browse/HBASE-7072
>             Project: HBase
>          Issue Type: Bug
>          Components: master, shell
>    Affects Versions: 0.92.1, 0.92.2, 0.94.0
>            Reporter: Himanshu Vashishtha
>            Assignee: Himanshu Vashishtha
>             Fix For: 0.92.3
>
>         Attachments: HBase-7072-92.patch
>
>
> HBase-5286 changes RegionLoad writable in 94.0, making it incompatible with 92. A fix
was made in HBase-5795 where a 94 client can read response from a 92 server, but not vice
versa. Currently, if a 92 client tries to do read RegionLoad (HBase shell "status" command,
or, 92 master and 94 regionserver), it just hangs. 

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