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From "Jonathan Anstey (JIRA)" <>
Subject [jira] Created: (AMQNET-258) Getting Unknown Response ID errors in client log on failover
Date Thu, 24 Jun 2010 16:34:51 GMT
Getting Unknown Response ID errors in client log on failover

                 Key: AMQNET-258
             Project: ActiveMQ .Net
          Issue Type: Bug
          Components: NMS
    Affects Versions: 1.3.0
         Environment: Client side Windows 2003, NMS, ActiveMQ Client
Broker ActiveMQ 5.3.1-fuse-01-00, Redhat Linux 64 bit
            Reporter: Jonathan Anstey
            Assignee: Jim Gomes

So the issue is that I'm getting "Unknown response ID" errors in my NMS client log. I've attached
the client as and the log as nms-client.log. I was running this client on a
Windows server 2003 system though any Windows box should do.

The client is connecting with a failover URI like


The mendoza Linux machine has two AMQ brokers in M/S mode running on different ports. Broker
configs are attached. The M/S is set up using KahaDB pointing to a NFS share on another Linux
box. FYI to mount the share on mendoza I ran the following (pedro is another Linux box):

sudo mount -o soft,intr,rsize=8192,wsize=8192 pedro:/local1 /mnt/pedro/local1

To get this whole set up running, you'll need to change over the brokerUri in the client Program.cs
to whatever host you are using and change the brokers to point to whatever NFS share you have
mounted. To reproduce the failure, I had this running overnight but could see failures much
earlier when I started taking down one broker at a time to start the failover process. 

Let me know if you need any more info.

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