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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6268) Can't enable a table on a 0.94 cluster from a 0.92 client
Date Fri, 31 Aug 2012 22:26:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13446445#comment-13446445
] 

Ted Yu commented on HBASE-6268:
-------------------------------

I think Gregory's post makes sense.

I will wait for further validation result against 0.92.2 RC1 and watch out the discussion
thread.
                
> Can't enable a table on a 0.94 cluster from a 0.92 client
> ---------------------------------------------------------
>
>                 Key: HBASE-6268
>                 URL: https://issues.apache.org/jira/browse/HBASE-6268
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Jean-Daniel Cryans
>            Assignee: Ted Yu
>             Fix For: 0.92.2
>
>         Attachments: 6268-92.txt
>
>
> In 0.92 we know a table's enabled by doing this in HCM.isEnabledTable:
> bq. return getTableState(zkw, tableName) == null;
> In 0.94 we do:
> bq. return getTableState(zkw, tableName) == TableState.ENABLED;
> So what happens is that the the 0.92 client will hang forever since the znode contains
ENABLED instead of being absent.

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