rabbitmq on OS X

RabbitMQ is easy to install on OS X with MacPorts using the documentation here:

http://www.rabbitmq.com/install.html#macports

However, I’ve found two problems.

First, by default the erlang vm isn’t installed with SSL support.  Without SSL, you end up with some startup warnings that look like this:

rob@rs-mbp ~$ sudo rabbitmq-server
Activating RabbitMQ plugins ...
*WARNING* Undefined function crypto:des3_cbc_decrypt/5
*WARNING* Undefined function crypto:start/0
*WARNING* Undefined function ssl:close/1
*WARNING* Undefined function ssl:connection_info/1
*WARNING* Undefined function ssl:controlling_process/2
*WARNING* Undefined function ssl:peercert/1
*WARNING* Undefined function ssl:peername/1
*WARNING* Undefined function ssl:recv/3
*WARNING* Undefined function ssl:send/2
*WARNING* Undefined function ssl:sockname/1
*WARNING* Undefined function ssl:ssl_accept/3
0 plugins activated:

This is easily fixed by rebuilding erlang with the following:

rob@rs-mbp ~$ sudo port install erlang +ssl

The second problem is that when started, the server hangs and then fails after a minute or two with the following error:

ERROR: epmd error for host "rs-mbp": address (unable to establish tcp connection)

This is easily fixed by making sure that your machine name (rs-mbp in my case) is in /private/etc/hosts:

##
# Host Database
#
# localhost is used to configure the loopback interface
# when the system is booting.  Do not change this entry.
##
127.0.0.1       localhost rs-mbp
255.255.255.255 broadcasthost
::1             localhost
fe80::1%lo0     localhost

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