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From Stack <st...@duboce.net>
Subject Re: Hbase master failing to start after reaching 95% disk and expanding cluster
Date Sat, 29 Dec 2012 23:07:50 GMT
On Sat, Dec 29, 2012 at 9:22 AM, Marco Gallotta <marco@gallotta.co.za>wrote:

> I also see a number of these warnings in the zookeeper logs, which look
> quite telling. Zookeeper is running on the slaves in question, and port
> 3888 is unblocked in the firewall.
>
> 2012-12-29 07:23:42,492 WARN
> org.apache.zookeeper.server.quorum.QuorumCnxManager
> : Cannot open channel to 1 at election address
> slave1.analytics-internal.lokistu
> dios.com/10.171.98.247:3888
> java.net.ConnectException: Connection refused
>


Is this server up and running.  Connection refused is pretty plain
speaking.  Can you ping this server? Can you telnet to the server on the
above port?  What is in the logs for the server at 98.247?

It seems like HBase Master is failing because it cannot connect to zk.

St.Ack

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