Hi Francesco, What version of Artemis are you using?
>From your description it does look like the connection is not cleaned up after the TTL. I'll attempt to reproduce locally. Thanks On Thu, Jun 15, 2017 at 11:53 AM, francesco81 <francesco.padov...@bticino.it > wrote: > Hi, > we're facing another issue with Artemis. > Often it happens that after a client disconnects not gracefully (could be > for many reasons: energy loss, network loss, etc.), Artemis doesn't accept > anymore a connection with the same client id. This results, of course, in a > situation where the client cannot connect any more (unless I restart > Artemis). I seems like Artemis doesn't "really" disconnect the client. > Inside the log (set on TRACE level) I see all the activities that I expect: > 1) client connects > 2) client sends and receives messages correctly > 3) client makes PINGREQ and receives PINGRESP correctly > 4) Artemis checks the TTL of the specific connection id related to that > client > 5) When client goes down, after <keepaliveSetAtClientSide> * 1,5 seconds > (which in our case result in 90 seconds) Artemis realizes that the specific > connection id is broken, and it disconnects it. > But at this point the client cannot connect any more. > Every time I try to connect by using that specific client id, it is > rejected. And I have no error inside the log. It seems simply as the broker > "think" that a connection with that client id is still up and running. If I > connect with another client id and try to send a message to a topic where > the broken client id was subscribed to, I see inside the log that Artemis > try to send the message to that client id: > MQTT(<clientid>): OUT >> PUBLISH(1) EXACTLY_ONCE > ...but really there's no connection for that client id. Not more, anyway. > Unfortunately I'm not yet able to reproduce the bug sistematically. But I'm > hard working to do it, because it's pretty much blocker to us. > > Thanks > > Francesco > > > > > -- > View this message in context: http://activemq.2283324.n4. > nabble.com/Artemis-rejects-the-clientid-after-client- > disconnection-tp4727426.html > Sent from the ActiveMQ - User mailing list archive at Nabble.com. >
