[rabbitmq-discuss] .erlang.cookie wont change for clustering

Tim Watson tim at rabbitmq.com
Tue Oct 2 16:19:09 BST 2012


Well, from the error message, I am going to guess.......

On 2 Oct 2012, at 15:32, Orion Fillmore wrote:

> Hello,
> I am trying to get clustering set up for some rabbit mq servers.  I changed the .erlang.cookie file on my slave to match the .erlang.cookie file on my master.   I restarted rabbitmq...even tried a total system reboot, but when i do this:
>  rabbitmq-server -detached
> I get this
> Activating RabbitMQ plugins ...
> 0 plugins activated:
> node with name "rabbit" already running on "ip-xx-xx-xxx-xxx"

This is saying that 'node ... "rabbit" [is] already running' - in other words your rabbit is *still* up and running with the old cookie. Shut it down properly with `rabbitmqctl stop` and then try again!

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