[rabbitmq-discuss] how to solve this exception? thanks !

[Michael Klishin]

On Oct 10, 2013, at 11:05 AM, houzhibin <zb.hou at shitousoft.com> wrote:

> com.rabbitmq.client.ShutdownSignalException: channel error; reason: {#method<channel.close>(reply-code=406, reply-text=PRECONDITION_FAILED - unknown delivery tag 1, class-id=60, method-id=80), null, ""}

You either ack/reject a delivery that was automatically acknowledged (see tutorial 2 [1])
or try to ack/reject a delivery that was already acked/rejected.

1. http://www.rabbitmq.com/getstarted.html

MK