Mqtt connection to broker was lost

[Rob_Pope]

Are you running OH2? If so check this post

MQTT config under OH2

@Rob_Pope I had a similar problem in the past… It was due to OpenHab 2 loading up the default mqtt.cfg config file (with the sample <broker> name)… it was my mistake since I removed the comments from the lines without adjusting the broker name… After I fixed the mistake, the <broker> info still remained (as a second broker) in OH2 “internal database” (I don’t know how to call it :)) and was causing errors because all other parameters for <broker> were null. Try to check with the Karaf Console …