[rabbitmq-discuss] Using pika - PRECONDITION_FAILED - unknown delivery tag 1

Simon MacMullen simon at rabbitmq.com
Mon Mar 5 17:31:01 GMT 2012

On 05/03/12 17:25, Ezequiel Golub wrote:
> i'm getting the following failure after a
> number of messages are received (emphasis added):

>      ch.basic_ack(delivery_tag = method.delivery_tag)
>      channel.basic_consume(consume,
>                        queue='queue_2012030505',
>                        no_ack=True,
>      )

So you have told RabbitMQ that you will not be acking messages, but then 
you are sending acks anyway. The channel is blowing up when the first 
ack gets through.

Cheers, Simon

Simon MacMullen
RabbitMQ, VMware

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