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From Rob Bugh <>
Subject Re: AMQ 4.1.2, FailoverTransport and Firewall
Date Mon, 16 Feb 2009 19:29:24 GMT

Awesome! I take it no one has seen this problem.


Rob Bugh wrote:
> We have this configuration:
> - AMQ 4.1.2
> - Client outside of a firewall. Uses FailoverTransport to connect to
> brokers.
> - Two brokers inside of firewall in master/slave configuration
> Problem:
> Upon startup, if the client attempts to connect to the slave broker
> instead of the master broker, the firewall ends up spoofing the client
> into thinking the connection was successful to the broker. But in reality
> what happens is the connection to the firewall succeeds and the client
> sends connectionInfo and waits for response. The firewall then attempts to
> connect to the slave, connection fails and after a period of time the
> firewall resets the connection back to the client. However, by the time
> this happens the client is already hung waiting for a response.
> Questions:
> - Has anyone experienced this problem and found a workaround?
> - Does this problem still exist in AMQ 5.x?
> Regards,
> Rob

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