[rabbitmq-discuss] error: {amqp_error, precondition_failed, "unknown delivery tag 29", 'basic.ack'}

[Alexandru Scvorţov]

Hi,

That error usually happens when you ack the same message twice.  Could
you be doing that somehow?

Cheers,
Alex

On Thu, Jul 14, 2011 at 03:52:29PM -0700, fbjork wrote:
> When we push our Ruby app to production, after processing a few
> messages we get this in the RabbitMQ (2.4.1) error log:
> 
> =ERROR REPORT==== 14-Jul-2011::22:31:30 ===
> connection <0.29022.1855>, channel 1 - error:
> {amqp_error,precondition_failed,"unknown delivery tag 29",'basic.ack'}
> 
> 
> Any idea what it means who to fix it?
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