Are the topic subscriptions durable or non-durable? If the latter, were the clients disconnected at the time the messages in question were sent?
Also, do the subscribers in question use any selectors? Tim On Fri, Apr 6, 2018, 12:26 AM Lionel van den Berg <lion...@gmail.com> wrote: > Another kind of vague one. We have found from our application logs at site > that some messages that we are sending appear to be sent OK on one end but > are never received by the subscriber. > > This seems to coincide with topics where the traffic volume is low, does > anyone have any pointers on where to look first? >