Multiple JSON patern possible for one item...Executing the JSONPATH-transformation failed: Invalid path

[hafniumzinc (T)]

@KhameleonPerseverant

Is there a way to prevent that?

Yes, you can.

But first, these aren’t errors, they appear as WARN log items. You can safely ignore them.

However, if - like me - you hate the clutter, you can use the REGEX Transformation Service chained before the JSONPATH Transformation to only send relevant strings to JSONPATH. Check this magic out:

MQTT 2.5 M1+ How to implement the equivalent to MQTT1 REGEX filters

Problem In the MQTT1 binding there was a feature that let us filter messages published to a given topic and only pass those that match a given REGEX to the transformation and/or on to the Item. This was useful to handle devices that publish messages to a single well known topic for all their devices. For example, the official firmware from the vendor of Shelly devices have a request/response protocol over MQTT to get meta data about the devices (IP address, MAC address, firmware version, whethe…