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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-2417) HCM.locateRootRegion fails hard on "Connection refused"
Date Thu, 08 Apr 2010 18:21:36 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Daniel Cryans resolved HBASE-2417.
---------------------------------------

      Resolution: Fixed
    Hadoop Flags: [Reviewed]

Committed to branch, branch pre-durab, and trunk. Stack reviewed the patch with me.

> HCM.locateRootRegion fails hard on "Connection refused"
> -------------------------------------------------------
>
>                 Key: HBASE-2417
>                 URL: https://issues.apache.org/jira/browse/HBASE-2417
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.3
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.20.4, 0.21.0
>
>         Attachments: HBASE-2417-v2.patch, HBASE-2417.patch
>
>
> While running some tests on replication, I saw that our client does something dumb if
it tries to contact a dead region server that held the ROOT region in HCM.locateRootRegion.
Will post stack trace in a comment.
> The problem here is that we don't retry at all, the exception will come straight out
of HCM like it's the end of the world.

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