[rabbitmq-discuss] Durable + Exclusive queue disappeared

[Jonathan Schwietert]

Thanks for the quick response Emile. I did happen to see that result in my 
searching but unfortunately our broker is standalone - so there are no 
other nodes to bring up.

On Wednesday, April 3, 2013 10:28:02 AM UTC-6, Jonathan Schwietert wrote:
>
> Pasting in a response i received via email that isn't showing up on this 
> list, from *Emile Joubert:*
> Hi,
>
> On 02/04/13 23:32, Jonathan Schwietert wrote:
>
> Hi, I have a queue which was declared with BOTH durable and exclusive
>
> (on accident) whose owner disconnected then reconnected and now
>
> receives: "NOT_FOUND - no queue 'test.queue' in vhost '/test.vhost'".
>
>
> See the documentation for the exclusive parameter:
>
> http://www.rabbitmq.com/amqp-0-9-1-reference.html#queue.declare.exclusive
>
> "Exclusive queues may only be accessed by the current connection, and
> are deleted when that connection closes."
>
> So your 'test.queue' should not longer exist. The presence of the string
> in the internal Mnesia files does not necessarily mean that the queue
> still exists since the name could appear in internal logs.
>
> The scenario you describe can occur if a queue was declared on a node
> which leaves a cluster. A "Not Found" error will result when attempting
> to redeclare or delete the queue on any remaining nodes in the cluster.
> The solution is for the node that left the cluster to rejoin. The use of
> mirrored queues will prevent this condition.
>
>
> -Emile
>
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