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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1842) HTablePool -- Ride Over Restart
Date Thu, 08 Apr 2010 02:33:37 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854772#action_12854772

ryan rawson commented on HBASE-1842:

can we close this bug? It seems probable that HBASE-1815 was the root cause here.

> HTablePool -- Ride Over Restart
> -------------------------------
>                 Key: HBASE-1842
>                 URL: https://issues.apache.org/jira/browse/HBASE-1842
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.20.0
>         Environment: Configuration:
> Hbase 0.20.0 & Hadoop 0.20.1
> Pseudo distributed mode
> Java client using HTablePool
>            Reporter: Barney Frank
> When ZK, Master, Regionserver and my app are running, I stop the Hbase master/regionserver.
 The HBaseClient then begins to complain:
> 16:26:51,273 INFO [HBaseClient] Retrying connect to server: / Already
tried 0 time(s).
> 16:26:53,274 INFO [HBaseClient] Retrying connect to server: / Already
tried 1 time(s).
> ...already tried 9 time(s)....
> 16:27:10,294 INFO [HbaseRPC] Server at / not available yet, Zzzzz...
> I restart the Master and RegionServer and then send more client requests through HTablePool.
 It has the same "Retrying to connect to server:" messages.  I noticed that the port number
it is using is the old port for the region server and not the new one assigned after the restart.
 The HbaseClient does not seem to recover unless I restart the client app.  When I do not
use HTablePool and only Htable it works fine.
> When using HTablePool, the client doesn't seem to refresh with the new regionserver port
after the master/regions are back up.  It gets "stuck" with the info from the settings prior
to the master going down.  The ability to ride over a restart.
> I would appreciate any thoughts or help.

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