[rabbitmq-discuss] Change node cookie without wiping RabbitMQ database

Emile Joubert emile at rabbitmq.com
Fri Sep 7 10:38:02 BST 2012

Hi Eugene,

On 06/09/12 20:47, Eugene Kirpichov wrote:
> However, when I actually change the cookie, RabbitMQ hangs during the
> "Starting database" phase. My understanding is that this is due to
> Mnesia table cookie mismatch.

I assume the broker that fails to start is a member of a cluster. The
solution is to update the secure cookie of all the nodes in the cluster
and so allow them to communicate.


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