Hi everyone, I’m new here on the community and I hope I have complied with all the rules for the application. For about 6 months I have installed OH3 on a Raspberry Pi4, created my MQTT broker to which I connected all my sonoff devices and everything worked perfectly, 4 days ago I updated OH3 to ve…

COMMUNICATION_ERROR Broker MQTT

hafniumzinc (T) January 4, 2022, 7:15am 10

It looks like during the upgrade Mosquitto also upgraded to v2 which has changed the way it allows connections.