[rabbitmq-discuss] Message returned as unroutable even if consumer is listening

Thu Mar 3 17:00:16 GMT 2011

On Thu, Mar 3, 2011 at 15:20, Jiri Krutil <jiri at krutil.com> wrote:
>> Okay. You're probably using basic.qos and/or acknowledgments.
>
> We are using both. QoS prefetch count is 100 and we do explicit acks.
>
> But even if I restart our server and there is no load at all and the queue
> is empty, I'm still seeing this problem. Rabbitmqctl is showing
> messages_unacknowledged and messages_ready both to be zero.
>
> I have no clue at all what could be wrong. Any hints?

And if you stop the consumer and disable the 'immediate' flag, can
you see messages to appear in the queue?