MQTT eventbus-actions cannot be null

dungdao191299 · August 28, 2020, 11:35am

Hello everyone,i have a problem with my Rules about MQTT eventbus
I have just set a new openhab systems in a raspberry Pi 3+ and i creat a rules to bridge with mqtt action.
My rules is:

and i received error in log is: “Rule ’ mqtt_eventbus Publish cmnd to server’: actions cannot be null”

Is there any way to troubleshoot it? Sorry for my bad english.
my openhab version is 2.5.6.

rlkoshak · August 28, 2020, 2:47pm

Did you create the MQTT Broker Thing and does it have the Thing ID mqtt:mqtt:broker:event_bus?

dungdao191299 · August 28, 2020, 2:58pm

yes, i create a MQTT Broker Thing with ID is event_bus.

rlkoshak · August 28, 2020, 4:32pm

Verify that mqttActions is returning something.

if(mqttActions === null) logError("MQTT_EB", "There is no Action!")

Celaeno1 · August 28, 2020, 5:19pm

@dungdao191299

Are you really sure? With doubled mqtt:mqtt at the beginning?

dungdao191299 · August 29, 2020, 2:50am

Ohh, Sorry, this is a typing mistake

I have just checked again and fix it. it worked.
Thanks