[jira] Updated: (HBASE-2417) HCM.locateRootRegion fails hard on "Connection refused"

["Jean-Daniel Cryans (JIRA)" <ji...@apache.org>]

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

Jean-Daniel Cryans updated HBASE-2417:
--------------------------------------

    Attachment: HBASE-2417.patch

Using the normal way to contact a region server, but without retries since we already manage them in the locateRootRegion method. Tested with my replication stuff and it works well.

> 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.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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