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Basic MQTT over websockets example [message #1796328]

Wed, 10 October 2018 17:54

Matthew Wawrzyniec

Messages: 4
Registered: October 2018

Junior Member

I am attempting to learn ho to use mosquitto over websockets and I cannot get this basic example to connect to the MQTT server. The host and port are correct in the code and I tested the mosquitto server from different devices on my network. Where do I go with this next?

Here is the console data:

connecting to 192.168.1.161 1883 websockets-3.htm:82:2
Firefox can't establish a connection to the server at ws://192.168.1.161:1883/mqtt. mqttws31.js:979:17
Firefox can't establish a connection to the server at ws://192.168.1.161:1883/mqtt. mqttws31.js:977:17
Failed websockets-3.htm:39:3
ports websockets-3.htm:71:2
port1883 websockets-3.htm:73:3
host websockets-3.htm:78:3

Attachment: websockets-3.htm
(Size: 4.75KB, Downloaded 230 times)

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Re: Basic MQTT over websockets example [message #1796426 is a reply to message #1796328]

Fri, 12 October 2018 17:27

Ian Craggs

Messages: 83
Registered: March 2013

Member

I used your code to connect to an MQTT server (from paho.mqtt.testing) on the same machine as my browser, so I think that's ok. Browsers can require secure (TLS) connections, which might be your problem.

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