Closed ah01 closed 8 years ago
When you open JS console, there is always message:
WebSocket connection to 'ws://mqtt.sh.cvut.cz/mqtt' failed: Error during WebSocket handshake: 'Sec-WebSocket-Protocol' header value 'mqttv3.1' in response does not match any of sent values
This is problem of nginx reverse proxy settings of mqtt.sh.cvut.cz server. Invalid
When you open JS console, there is always message: