[rabbitmq-discuss] Lost messages after consumer crash

[Alexandru Scvorţov]

Hi,

Have a look at this (only applies to 2.3.0):
  http://www.rabbitmq.com/blog/2011/02/10/introducing-publisher-confirms/

If that doesn't help, could you post the code you're using?

Cheers,
Alex

On Mon, Feb 14, 2011 at 09:50:47AM -0200, Fabio Margarido wrote:
> Hi there.
> I'm new to RabbitMQ and this list. I've searched the archives but
> haven't found an answer for my question, sorry if it's been asked
> before.
> I've downloaded the server and Java client packages and started
> playing around. I've slightly modified the example Java code so that
> the producer sends 100000 messages in a loop. Each message contains a
> sequential number.
> I've noticed that if I crash (Ctrl+C) the consumer in the middle if
> the message reception flow and then start it up again, there's a gap
> in the messages delivered, i.e., the sequential numbers after the
> restart don't pick up from where they stopped. I thought this might be
> related to Java and only the printing of the messages, but some quick
> analysis of the network traces showed that apparently the non printed
> messages are missing from the transmission.
> Changing to transaction mode and manual ack didn't seem to help.
> Has anyone seen this behavior before? Am I missing something? How can
> I guarantee that all the messages are delivered?
> Thanks in advance.
> 
> Fabio
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