[rabbitmq-discuss] Queue declare doesn't return

Mon May 20 19:38:02 BST 2013

This sounds a lot like the physical network connection has been severed, but the client isn't noticing for a very long time. What os are you using? Have you considered turning on heartbeats in your clients, be expedite detection of connection failures?

Cheers,
Tim

On 20 May 2013, at 16:26, Michael Journo <gobadiah at gmail.com> wrote:

> Hello,
> 
> 
> 
> I've came across a problem, but unfortunately I have very little information about it.
> 
> 
> 
> I use rabbitmq 2.8.4, along with clients such as pika (python side) and SimpleAmqpClient (c++ side). This issue was experienced in both those clients.
> 
> 
> 
> What happened is simply that DeclareQueue or queue_declare wouldn't return at all (I mean being blocked for days). 
> 
> 
> 
> When the incident started, I get a lot of 
> 
> 
> 
> 
> 
> =WARNING REPORT==== 18-May-2013::03:09:18 ===
> 
> closing AMQP connection <0.3256.1697> (127.0.0.1:46099 -> 127.0.0.1:5672):
> 
> connection_closed_abruptly
> 
> 
> 
> in the rabbitmq log, but nothing more.
> 
> 
> 
> I fixed this by … restarting rabbitmq, but I'm kind of worry because I don't know how to detect this problem again (building a timeout mechanism on top of the clients is just not ok).
> 
> 
> 
> If anyone has any idea about what could cause this, it would be greatly appreciated.
> 
> 
> -- 
> michael
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