[rabbitmq-discuss] spring-amqp

rjwirth rwirth at demandware.com
Tue Oct 26 13:19:26 BST 2010

Mark Fisher-8 wrote:
> Out of curiosity, what is the use-case where you expect to use
> Basic.Reject from within a Spring AMQP app?

Hello Mark, thanks for getting back to me.
I am playing with QoS, Retry, transacted mode vs. ack/reject etc, and the
first thing I wanted to try is the onMessage() fail case to rollback and let
another consumer take the message.  If I use auto-ack and, the message seems
to remain on the broker. Again, I am new to AMQP, having worked with JBoss
and Sonic before. I stumbled over this post:

> The problem with rabbitMQ is that once a message is delivered to the
> consumer even if the consumer doesn't acknowledges it, RabbitMQ won't
> redeliver the unacked message to consumers until the channel is properly
> closed and reopened.  I tried checking rabbit transactions api to rollback
> the transaction in case of external component failure and also tried
> basic_recover but it has its own issues and none of them worked.
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