I used to have OpenHAB2.5 working correctly when I decided to update to v 3. I did a clean install, not upgrade in any way. Mosquitto MQTT is configured and payload does received, however, there is some error with data transformation that was working earlier correctly. Karaf console log : 11:26:06…

[image] lafrank: Has syntax changed in OpenHAB3 or what is wrong here ? You don’t have the JSONPATH Transformation Service installed. [image] lafrank: Transformation service JSONPATH for pattern $.hum not found! See step 6 here on how to install.

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OpenHAB3 transformation not working

Setup, Configuration and Use Migration

hafniumzinc (T) February 27, 2021, 10:46am 2

You don’t have the JSONPATH Transformation Service installed.

See step 6 here on how to install.