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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7170) [0.94 branch] Allow HConnectionImplementation to reconnect to master multiple times
Date Thu, 15 Nov 2012 23:23:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13498439#comment-13498439
] 

Ted Yu commented on HBASE-7170:
-------------------------------

+1 on patch.

I think Enis found the same problem in HBASE-7009.
{code}
Running org.apache.hadoop.hbase.client.TestFromClientSide
2012-11-15 15:18:44.087 java[71352:1903] Unable to load realm mapping info from SCDynamicStore
Tests run: 59, Failures: 0, Errors: 0, Skipped: 3, Time elapsed: 203.407 sec
{code}
Can we separate some tests out of TestFromClientSide ? In trunk, there is TestFromClientSide3.java
                
> [0.94 branch] Allow HConnectionImplementation to reconnect to master multiple times
> -----------------------------------------------------------------------------------
>
>                 Key: HBASE-7170
>                 URL: https://issues.apache.org/jira/browse/HBASE-7170
>             Project: HBase
>          Issue Type: Task
>            Reporter: Gregory Chanan
>            Assignee: Gregory Chanan
>            Priority: Minor
>             Fix For: 0.94.4
>
>         Attachments: HBASE-7170.patch
>
>
> HBASE-5058 retained the old behavior of managed HConnections not retrying their connection
to master b/c of the "masterChecked" variable.
> This behavior isn't great though, because you can get in the following situation:
> 1) Connect to master using HBaseAdmin
> 2) Master goes down
> 3) New master takes over
> 4) The HBaseAdmin object is now useless
> The client needs to create a new HBaseAdmin in this case.

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