The exceptions don't seem to be related with consumers closing. Unfortunately, I haven't been able to see a pattern, yet, so I don't have code for reproducing the issue.
marko On Fri, 25 Aug 2017 16:49:40 GMT Clebert Suconic wrote: > so, you're seeing this when you close the consumer? > > Perhaps the server consumer has been closed.. and your client is > issuing an ack on the message but the consumer had already redelivered > the messages when the disconnect event happened? > > If that's the case the message could be ignored.. you could/should > stop the client properly before stopping the server perhaps? if you > replicate this issue on an example that would help a lot.. because so > far I can only guess possible cases.