Same Queue Different Channel

[Usman Asif]

Dear Support,

we have differnet windows application  build on dot net c#  and of course we are using .Net Client.

we have same queue with different channel. we also acknowledge and nack messages (when our code crash or any other exception handle)

hw ever some time we have got below error.

please also confrm our approach that we have same queue with different channel

The AMQP operation was interrupted: AMQP close-reason, initiated by Peer, code=406, text='PRECONDITION_FAILED - unknown delivery tag 7065', classId=60, methodId=80

Regards

Usman Asif

[Wesley Peng]

Hello+

on 2019/11/27 15:59, Usman Asif wrote:
> *The AMQP operation was interrupted: AMQP close-reason, initiated by

> Peer, code=406, text='PRECONDITION_FAILED - unknown delivery tag 7065',

> classId=60, methodId=80*

I am not sure about this error type.
But for your subject question, I think it's nothing related. Since a
queue can have multi-consumers, so it can be openned by different channels.

regards.

[Wesley Peng]

Hi

on 2019/11/27 15:59, Usman Asif wrote:

> *The AMQP operation was interrupted: AMQP close-reason, initiated by

> Peer, code=406, text='PRECONDITION_FAILED - unknown delivery tag 7065',

> classId=60, methodId=80*

Just gave a quick google and found this:
https://stackoverflow.com/questions/14410985/exception-the-amqp-operation-was-interrupted-code-406-occurs-in-net-client


You typically get that error message when you re-declare an existing
queue with different parameters.


Regards.

[Usman Asif]

i just worried about same queue with different i want some authentic answer.

[Michael Klishin]

"Unknown delivery tag" is almost always [1] an indication of:

 * Double acking

 * Acking when automatic acknowledgement mode is used (and thus RabbitMQ does not expect any acks)

Make sure you read [1] and the rest of the sections on consumer acknowledgements and check if any of the above

scenarios can be the case.

1. https://www.rabbitmq.com/confirms.html#consumer-acks-double-acking

[Usman Asif]

Can you recommend 

That we can consume same 

On different channel and different connection

Actually we want 

Our application run on different server 

Consuming same queue 

So every channel and connection are different.

Ack and nack also be considered.

In which both application nack the queue in exception 

Can this approach is recommended by rabbit mq protocol.

Hope to hear from you soon

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[Usman Asif]

Dear Team,

can you please clear my doughts