[rabbitmq-discuss] Rabbitmq server crash and no start more

Alexis Richardson alexis.richardson at gmail.com
Sun Jan 24 21:04:11 GMT 2010


Thanks - please do let us know how you get on with your server
environment.  As Matthew implied there are some annoyances about the
mac and networks which are usually solvable with a little care.


On Sun, Jan 24, 2010 at 8:29 PM, Gustavo Aquino
<aquino.gustavo at gmail.com> wrote:
> Gotcha...
> My mac change hostname all the time that I reconnect in internet using 3G.
> If i drop rabbit without disconnect Rabbit start without problem. If I stop
> and start connection between rabbit's start stop, rabbit crash.
> But in RHE and Debian environment I don't change the hostname and the
> problem is the same, Tomorrow I will try to reproduce it in my servers and
> report here.
> Regards.
> On Sun, Jan 24, 2010 at 6:19 PM, Matthew Sackman <matthew at lshift.net> wrote:
>> Hi,
>> On Sun, Jan 24, 2010 at 06:07:39PM -0200, Gustavo Aquino wrote:
>> > I got this same problem using MacOS 10.5, that I'm using now, RHE and
>> > Debian
>> > with RabbitMQ 1.7 never got it with 1.6.
>> >
>> > Look I can reproduce it all the time, in all this environments just do
>> > Crtl+C in console running RabbitMQ-server and try to start again, and
>> > booom
>> > the problem appears. I just do it again to show the metrics that you
>> > request
>> > me.
>> I assure you, we start and stop rabbit all the time in this way, and
>> don't see this problem. No one else has reported this problem when the
>> mnesia database is empty (or at least not very big).
>> Sigh, just looking at your two traces, your IP address has change - and
>> you appear to be basing your hostname on your IP address. This is a known
>> problem, especially with Macs.
>> In message 4B4B4160.1010704 at lshift.net, Tony said:
>> "Yes, it is. It's because of the way macs change their hostname. This
>> interacts badly with the way epmd looks up its own address. Some relief
>> might be found by following the ideas from this thread:
>> http://lists.rabbitmq.com/pipermail/rabbitmq-discuss/2009-October/005053.html
>> "
>> In short, mnesia will write the full nodename to disk when it creates the
>> schema. If your nodename changes then it will fail to restart.
>> Matthew
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