MQTTMaster: My hypothesis is the issue is a missed configuration. Consider restarting the container and let me know the results.

5 hours ago · profile

Totally agree — I had the same issue and solved it by updating the driver. Took me longer than expected that configuration option.

See also

• Stupid question: is MQTT the same as HTTP?
• Why is my device offline after restart?
• What monitoring devices are essential for a smart home?