MQTT over Websockets isn't working for the `mqtt.kafka.broker` example

aklivity / zilla-examples

A collection of pre-canned Zilla feature demos. Deploy on K8s via Helm.

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MQTT over Websockets isn't working for the `mqtt.kafka.broker` example #132

Closed vordimous closed 4 months ago

vordimous commented 4 months ago

The mqtt.kafka.broker example ws endpoints don't work and throw the below errors.

using emqx: Error: Connection refused: Protocol Error

wscat:

% wscat -c ws://localhost:7114/ -s mqtt
Connected (press CTRL+C to quit)
Disconnected (code: 1005, reason: "")
% wscat -c wss://localhost:7143/ --ca mqtt.kafka.broker/tls/test-ca.crt -s mqtt
Connected (press CTRL+C to quit)
Disconnected (code: 1005, reason: "")

jfallows commented 4 months ago

This behavior is expected due to lack of mqtt CONNECT frame being sent over the websocket connection.

However, there was an issue that has now been resolved via linked PR and MQTTX client can be used to verify MQTT over WS works with latest develop-SNAPSHOT build, and will be included in the next release.