[rabbitmq-discuss] Duplicated message and unknown delivery tag after ack

Matthias Radestock matthias at rabbitmq.com
Thu Aug 8 11:47:17 BST 2013


On 08/08/13 11:39, Tim Robertson wrote:
> Were there any further insights into this?
> I am seeing the same behavior on 3.1.3 on my mac (homebrew install) and
> using rabbiteasy (1.2.0) and amqp java libraries 3.1.3.

rabbiteasy claims to provide "managed consumers that recover from 
connection loss and re-attach to the broker". I strongly suspect that 
recovery logic is too naive, allowing acks for messages to be span 
channel recreation, which would result exactly in the error you are seeing.



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