Paho MQTT "Unsupported callback API version" error
Feb 12, 2024 · client = mqtt_client.Client(mqtt_client.CallbackAPIVersion.VERSION1, client_id) This will configure the library to use the v1 callback API (as used with older versions of the library). I would …
mqtt - MQTTClient throws error when trying to connect - Stack Overflow
Oct 20, 2024 · I'm devopling an application on a PicoW using Visual Studio (Thonny gives the same results). It uses umqtt.simple: from machine import Pin, I2C from time import sleep import network …
mqtt - Mosquitto TLS - Connection Refused: not authorised - Stack …
Jul 14, 2023 · You shouldn't seperate the listener 8883 line from the entries that contain the cert/key information (and your files do not match the examples). Also edit the question to show the mosquitto …
Node-red beginners issue. Connection failed to broker: mqtt://
Jun 24, 2023 · Probably not. I have not installed anything extra apart from Node Red. After your reply I tried to install HiveMQ (and upgrade my Java 8 to Java 11). I still didn´t manage to connect to the …
mosquitto-client obtain refused connection - Stack Overflow
I want to use MQTT protocol using mosquitto library. First of all, I want to do some test installing mosquitto-clients sudo apt-get install mosquitto-clients This program provides two "method":
mqtt - How to test the `Mosquitto` server? - Stack Overflow
Jul 8, 2023 · I am new to Mosquitto and MQTT, I downloaded the Mosquitto server library but I do not know how to test it. Is there any way to test the Mosquitto server?
Mosquitto MQTT: "Connection was lost" error when publishing a …
May 5, 2025 · I am trying to test MQTT functionality and have installed Eclipse Mosquitto on my workstation. To subscribe to a topic, I use the following command: "C:\\Program …
Configure Nginx reverse proxy for MQTT - Stack Overflow
Mar 7, 2022 · I'm trying to setting up a reverse proxy that resolve localhost:8081 to a broker installed on an other machine. My Nginx config file is: worker_processes 1; events { worker_connections 1024; }
How can I send a image by using mosquitto? - Stack Overflow
May 28, 2016 · I'm trying to send a jpg image using MQTT mosquitto broker(pub and sub) in Raspberry Pi2. This is my python code pub.py(modified) import paho.mqtt.client as mqtt def on_publish(mosq, …
c# - MQTT Client (MQTTnet) Not Successfully Subscribing to Topics ...
Feb 23, 2025 · I'm building a .NET service that connects to an EMQX broker using MQTTnet. While the client connects to EMQX, when I test sending messages through MQTTX (MQTT client tool), my …