Hi guys, Thanks for looking at this post as I know there are 100’s of similar posts. So I have set up OH2, MQTT, and the ESP device. I have followed almost every tutorial out there (this is my third day trying to figure it out). MQTT talks to the ESP perfect via MQTT.fx and I can change the state…

it seems that OH2 does not communicate with the MQTT Broker perform these troubleshooting steps: From PaperUI: Reinstall MQTT Binding Uninstall MQTT Action (if installed) From openHAB2 console : log:set DEBUG org.openhab.binding.mqtt log:set DEBUG org.openhab.io.transport.mqtt Stop OH2 service…

MQTT not talking to OH2

Setup, Configuration and Use Beginners

Dim (Angelos) October 21, 2017, 8:20am 2

Try to set a clientId in your mqtt.cfg and check the contents of your /var/lib/openhab2/config/org/openhab/mqtt.config for stale entries.

broker.url=tcp://192.168.1.44:1883
broker.clientId=something_new

(no need to use mqtt: in front of everyline in your /etc/openhab2/services/mqtt.cfg)

OH 2.1 or 2.2?