Raspberry PI + MQTT Gateway + Domoticz -> Connection refused



  • Hello to all,

    i am happy to be here! This is great Platform, thanks for that:)

    To my Problem:

    I have installed a Raspberry with Domoticz and followed the Instructions on : https://www.mysensors.org/build/raspberry
    to create my Gateway.
    My Steps:

    git clone https://github.com/mysensors/MySensors.git --branch master
    
    cd MySensors
    
    ./configure --my-gateway=mqtt --my-controller-ip-address=127.0.0.1 --my-mqtt-publish-topic-prefix=mysensors-out --my-mqtt-subscribe-topic-prefix=mysensors-in --my-mqtt-client-id=mygateway1
    
    make
    
    sudo ./bin/mysgw -d
    

    And after that i am getting this Errors:

    pi@raspberrypi:~ $ cd MySensors/
    pi@raspberrypi:~/MySensors $ sudo ./bin/mysgw -d
    mysgw: Starting gateway...
    mysgw: Protocol version - 2.1.1
    mysgw: MCO:BGN:INIT GW,CP=RNNG---,VER=2.1.1
    mysgw: TSF:LRT:OK
    mysgw: TSM:INIT
    mysgw: TSF:WUR:MS=0
    mysgw: TSM:INIT:TSP OK
    mysgw: TSM:INIT:GW MODE
    mysgw: TSM:READY:ID=0,PAR=0,DIS=0
    mysgw: MCO:REG:NOT NEEDED
    mysgw: MCO:BGN:STP
    mysgw: MCO:BGN:INIT OK,TSP=1
    mysgw: Attempting MQTT connection...
    mysgw: connect: Connection refused
    mysgw: failed to connect
    mysgw: Attempting MQTT connection...
    mysgw: connect: Connection refused
    mysgw: failed to connect
    mysgw: Attempting MQTT connection...
    mysgw: connect: Connection refused
    mysgw: failed to connect
    

    Can someone help me?

    Thanks, Arthur.


  • Mod

    Welcome to the MySensors community @artipi !

    Domoticz is a mqtt client and wants to connect to a mqtt broker.

    The Mqtt gateway is also a mqtt client that wants to connect to a broker.

    So you need a mqtt broker that both clients can connect to.

    Luckily, Domoticz has instructions for installing mosquitti, which is a mqtt broker. It might already be installed on your system. If it is, you can instruct the gateway to connect to it by using --my-port=1883 in the configure command.

    If mosquitto isn't installed, you can install it by following these instructions: https://www.domoticz.com/wiki/MQTT#Installing_Mosquitto



  • Thanks very much! Mosquitto was the solution!:)



  • Just another question:

    How to test incomming messages to broker from msgw??


  • Mod

    You can install any mqtt client on computer, connect to mqtt broker and subscribe to topic # and you should be able to see all incoming messages. Or you can start playing with the ethernet gateway first (this way you can use myscontroller to monitor the gateway) and later move to mqtt.



  • Ok, thanks.


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