[rabbitmq-discuss] RabbitMq with WCF Transaction

Thu Feb 28 09:06:32 GMT 2013

Thanks on the reply.

Can you please give me link to example of rabbitmq transaction?

2013/2/27 Emile Joubert <emile at rabbitmq.com>

>
> Hi,
>
> On 27/02/13 13:25, Hadas wrote:
> > I try to use transaction in wcf by adding
> > "[OperationBehavior(TransactionScopeRequired = true)]" to functions in
> > my interface.
> > What I can see is that when an error happens the message return to the
> > queue, but only once. That means if an error occurs second time the
> > message is lost.
> >
> > Do I miss something or what I need to change in order to retry till no
> > error occurs?
>
>
> I confess ignorance about how transactions work in WCF, so I'm not
> entirely sure whether they are designed to prevent message-loss in the
> way that you expect. My reading of RabbitMQInputChannel.Receive() in the
> RabbitMQ WCF binding is that messages are acknowledged immediately after
> being decoded and will therefore not be available from the broker after
> that point if the transaction needs to roll back.
>
> It is possible to deliver messages to clients with "at-least-once"
> guarantees by using the .net client library and making use of
> acknowledgements and durability. The 2nd tutorial contains a relevant
> discussion.
>
>
>
>
> -Emile
>
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