[rabbitmq-discuss] RabbitMQ receiving data, but no messages delivered

Sett Wai sett.wai at gmail.com
Tue Jan 7 16:43:31 GMT 2014


We're having a similar problem with our application, although we're using 
Django-Celery(2.5.5) to produce the messages/tasks and RabbitMQ(2.7.1 / 

More details are here: 

Have you managed to find a solution?

On Monday, 23 December 2013 22:41:49 UTC+2, Pedro Werneck wrote:
> We've been running RabbitMQ 3.0.2 with Erlang R14B04 for months, with no 
> issues at all. Recently, our whole AWS infrastructure crashed and we had to 
> rebuild some of it from scratch. Since then, we're having some strange 
> problems with RabbitMQ. We have a main broker used by four applications, 
> let's call them A, B, C and D, using Python 2.7 and Celery 3.0.18. 
> Everything works fine when webservice instances are publishing messages and 
> when worker instances are consuming messages, however, messages published 
> by a worker instance of A and B never reach the queue. 
> We can log the calls being made, we can sniff the network and see the 
> packets leaving the worker instance, we can see the packets arriving at the 
> RabbitMQ instance, and if we open the given Connection in the RabbitMQ 
> management plugin we even see data arriving at a rate of 25kb/s, but no 
> messages are delivered. The exchange and bindings are correct, since they 
> work for other cases, and we can see the exchange and routing key are not 
> corrupted or anything when sniffing the packets. If the message is sent by 
> the exact same code and settings from a webservice instance or a 
> shellscript, everything is fine, but when it's sent by the worker 
> instance,  RabbitMQ seems to be ignoring it completely.
> Any ideas on what's wrong?
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