Smack ack 'h' (handled) count terminates the stream with OpenFire Server

[sydnal]

As an update to the issue; someone seems to have just posted this about the same problem:

Server terminates client connection due to the client acknowledging a stanza that was not sent by the server

Hello, We are on Openfire 4.2.2 with OFMeet / OFFocus plugins 0.9.3 (or custom builds based on 0.9.4-SNAPSHOT with smack libraries bumped up to 4.2.3) running in Ubuntu 16.04 based docker containers. From time to time client connection of focus user from OFFocus plugin gets terminated by the server. When it happens server logs message similar to this one: 2018.03.06 19:53:53 WARN [socket_c2s-thread-3]: class org.jivesoftware.openfire.streammanagement.StreamManager[127.0.0.1] - Closing clien…

If their analysis is correct, it looks like a bug on Openfire side. I am still going to capture a trace though.

Best regards.