[rabbitmq-discuss] socket error while using rabbitmq and a NAT (Network address translation)
emile at rabbitmq.com
Tue Mar 1 13:41:43 GMT 2011
On 01/03/11 12:55, mysurf mail wrote:
> Hi Emile,
> I have a few questions:
> 1. On the rabbitmq server we have a few Erlang versions. Should that
> create a problem .
Keep in mind that different features of RabbitMQ have different minimum
requirements (e.g. SSL and some plugins). This is especially important
in a multi-version environment. It is best to use the latest version
across the board if possible (unless it is an alpha version containing
> (For now, I finished removing the older ones, so currently we have only
> 5.8.2 and the problem still exists
> 2. I have added the logs file from the rabbitmq server. I am the ip that
> ends with 170.120 and my last trial had an exception.
It is unusual to have the broker listen on port 1434. From the log there
are at least 3 kinds of problems:
1 Protocol errors:
Acknowledging with an unknown delivery tag
Redeclaring exchanges with different parameters
These will lead to a channel or connection closure.
This will close the connection
Abrupt connection termination
The first can be solved by making sure that you don't acknowledge
messages more than once, and that you declare exchanges with identical
parameters. The second and third may have a related root cause, which
the tracer or network diagnostic tools should help to identify.
> 3. Now about that tracer. I have been having some hard time finding
> documentation for it.
> Should I run it from the client (it comes with the client packacge) or
> in the server? I am running it in the client.
> my rabbit node port is 1434. so I am running it with
> .\runjava.bat co m.rabbitmq.tools.Tracer 1434 192.168.100.251 5672
> are my parameters ok ?
See http://www.rabbitmq.com/examples.html#tracer .
Judging by your logfile you want to use 1434 as the connectPort argument
instead of 5672.
> I used rabbit node port as listenport and 5672 as connect port. I also
> switched them but no luck . I didnt see anything on the cmd when I
> invoked my produce command.
> here it is
You should configure AMQP clients to connect to the tracer instead of to
the broker directly. The port should be the one given as the first
argument (listenPort) and the host should be the IP number of the
machine running the tracer.
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