[rabbitmq-discuss] what happened to my messages?

John DeTreville jdetreville at vmware.com
Tue Dec 7 01:37:43 GMT 2010


I don't understand this at all.

You have two queues, "pipeline-normal" and "pipeline-low." You publish messages to both with a routing key of "publish." Why wouldn't you expect all of your messages  to go to both queues?

I must be missing something.


On Dec 6, 2010, at 9:16 AM, Robert Fuller wrote:

> Hi, I have two questions today, (while still working on my connections issue...)
> 1. I have two queues named 'pipelines-normal' and 'pipelines-low',
> into which I am publishing. On the consuming client side I am
> consuming from both queues on different threads within the same java
> runtime. I have sometimes noticed items I expected to see on
> 'pipelines-normal' appear in 'pipelines-low', in fact the item seems
> to processed in both queues.  Am currently using sever 1.2.2 and java
> client 1.2.1. I have a routing key of "publish".
> I am anticipating maybe one of the following answers:
> a. The naming of the queues bad, ie. is the dash '-' is causing problems?
> b. Having two bound channels in single jvm to same server isn't
> supported with java client 1.2.1?
> c. It must be a problem with the way I'm publishing?
> d. It must be a problem with the way I'm consuming?
> e. It is a problem that I am using the same routing key while
> publishing on both queues?
> 2. I was surprised to find my (durable,non-exclusive,not-autodelete)
> queues empty after restart - the following commands were run in quick
> sequence:
> adminrobful at test:~$ sudo rabbitmqctl list_queues
> [sudo] password for adminrobful:
> Listing queues ...
> pipelines-low	1486828
> pipelines-normal	1486657
> ...done.
> adminrobful at test:~$ sudo /etc/init.d/rabbitmq-server restart
> Restarting rabbitmq-server: SUCCESS
> rabbitmq-server.
> adminrobful at test:~$ sudo rabbitmqctl list_queues
> Listing queues ...
> pipelines-low	0
> pipelines-normal	0
> ...done.
> adminrobful at test:~$ uname -a
> Linux test 2.6.32-25-server #45-Ubuntu SMP Sat Oct 16 20:06:58 UTC
> 2010 x86_64 GNU/Linux
> Thanks,
> Rob.
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