[rabbitmq-discuss] Error: unable to connect to node 'rabbit at localhost': nodedown.

[Matthias Radestock]

On 17/09/11 14:47, Kayode Odeyemi wrote:
> =ERROR REPORT==== 14-Sep-2011::19:35:19 ===
> ** Connection attempt from disallowed node
> 'rabbitmqctl28817 at coasthost-pc' **

That looks like an Erlang cookie mismatch problem.

Did you follow the instructions at 
http://www.rabbitmq.com/man/rabbitmq-service.man.html
<quote>
By default the service will run in the authentication context of the 
local system account. It is therefore necessary to synchronise Erlang 
cookies between the local system account (typically 
C:\WINDOWS\.erlang.cookie and the account that will be used to run 
rabbitmqctl.
</quote>
?

rabbitmqctl outputs some debug information when it fails to connect to 
the server. It is usually instructive to inspect that and compare it 
against the information logged by the broker on startup to its console 
log (see the aforementioned man page for locating that).

As for...

> =WARNING REPORT==== 15-Sep-2011::09:10:19 ===
> Mnesia('rabbit at COASTHOST-PC'): ** WARNING ** Mnesia is overloaded:
> {dump_log, time_threshold}

These warnings are generally harmless though they might suggest that 
your application is perhaps doing something weird, like creating and 
destroying a queue for every message.


Regards,

Matthias.