[core] Fix connecting to MQTT broker without authentication credentials

daq-tools / kotori

A flexible data historian based on InfluxDB, Grafana, MQTT, and more. Free, open, simple.

https://getkotori.org/

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[core] Fix connecting to MQTT broker without authentication credentials #144

Closed amotl closed 1 year ago

amotl commented 1 year ago

Spotted a bug while exercising a basic example on the command line. When not supplying username and password for MQTT broker authentication, the machinery failed.