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From: Nigel LEACH <nigel.leach@uk.bnpparibas.com>
To: "user@cassandra.apache.org" <user@cassandra.apache.org>
Subject: RE: OpsCenter not connecting to Cluster
Thread-Topic: OpsCenter not connecting to Cluster
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Date: Wed, 30 Oct 2013 11:00:49 +0000
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Fixed - Sort of.

I noticed in the Cassandra system log that thrift was linked to localhost, =
not xx.xx.xx.xx, or its hostname.

	Binding thrift service to localhost/127.0.0.1:9160.

So, in the OpsCenter GUI I entererd localhost as the name of a server in th=
e Cluster, and all works.

Regards
Nigel

-----Original Message-----
From: Nigel LEACH =

Sent: 30 October 2013 10:50
To: user@cassandra.apache.org
Subject: RE: OpsCenter not connecting to Cluster

Hello Pieter, Thank you for the response. I picked up on the stackoverlow l=
ink, but I am already setting rpc_server_type as sync. As you say they are =
Ubuntu, and I am Redhat, but I'm not on top RPC implementations to know whe=
ther that is relevent. =


Another point, in my original mail I missed of two lines from my log

DEBUG: Trying to connect to node xx.xx.xx.xx over thrift
DEBUG: Not returning SASL credentials for xx.xx.xx.xx

Lastly, I can connect successfully to all the JMX's (via VisualVM) on the d=
efault 7199 port.

Regards, Nigel

-----Original Message-----
From: pieter.callewaert@be-mobile.be [mailto:pieter.callewaert@be-mobile.be=
] =

Sent: 29 October 2013 18:30
To: user@cassandra.apache.org
Subject: RE: OpsCenter not connecting to Cluster

Hi Nigel,

I've currently have a simular problem. However, it has only been reproduced=
 on Ubuntu...
Are you using hsha as rpc_server_type?

http://stackoverflow.com/questions/19633980/adding-cluster-error-creating-c=
luster-call-to-cluster-configs-timed-out is a guy with the same problem, sh=
owing how to reproduce.
I know the ppl of datastax are now investigating this, but no fix yet...

Kind regards,
Pieter Callewaert

-----Original Message-----
From: Nigel LEACH [mailto:nigel.leach@uk.bnpparibas.com] =

Sent: dinsdag 29 oktober 2013 18:24
To: user@cassandra.apache.org
Subject: OpsCenter not connecting to Cluster

Cassandra 2.0.1
OpsCenter 3.2.2
Java 1.7.0_25
RHEL 6.4

This is a new test cluster with just three nodes, two seed nodes, SSL turne=
d off, and GossipingPropertyFileSnitch. Pretty much out of the box environm=
ent, with both Cassandra and OpsCenter via DataStax yum repository.

Cassandra seems fine, and OpsCenter is installed on a seed node. The OpsCen=
ter gui comes up, but is unable to connect to the cluster, I get this error

INFO: Starting factory <opscenterd.ThriftService.NoReconnectCassandraClient=
Factory instance at 0x2440290>
INFO: <twisted.internet.tcp.Connector instance at 0x24402d8> will retry in =
2 seconds
DEBUG: Problem while pinging node: Traceback (most recent call last):
          File "/usr/lib/python2.6/site-packages/opscenterd/ThriftService.p=
y", line 157, in checkThriftConnection
        UserError: User aborted connection: Shutdown requested.
WARN: ProcessingError while calling CreateClusterConfController: Unable to =
connect to cluster
INFO: Stopping factory <opscenterd.ThriftService.NoReconnectCassandraClient=
Factory instance at 0x2440290> =


Not getting very far troubleshooting it, any clues would be much appreciate=
d. Should I try installing the OpsCenter agent manually maybe?

Many Thanks, Nigel


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are not the intended recipient (or have received this e-mail in error) plea=
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