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Questions tagged [hivemq]

HiveMQ is an enterprise MQTT broker for M2M and IoT. Built for scalability, easy management, and security, it seamlessly integrates with existing systems. With HiveMQ, organizations can confidently manage their M2M and IoT communications.

HiveMQ is a MQTT broker designed for enterprises in the age of Machine-to-Machine communication (M2M) and the Internet of Things (IoT).

The latest LTS version is HiveMQ 4.9.5, released on 2023-03-07. Homepage at http://www.hivemq.com/.

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Get permission to make changes on project with Apache License 2.0

I'm working on Hivemq allow all extension for Mqtt broker.https://github.com/hivemq/hivemq-allow-all-extension I need to add logging to the extention but the issue is that when I am trying to build gradle after adding some changes it is giving this…
Ziad
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.net client keeps Connecting and Disconnecting over and over again

I'm running a Windows Service project in VS2019, with Mqtt 4.1.4 .Net framework client. My .net client keeps Connecting and Disconnecting over and over again. I recently discovered that my OnSubscriberDisconnected method is passing the following…
bob.mazzo
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Webpack polyfills for React application using MQTT

I created a new project using a typescript template using create-react-app. I want my react app to subscribe to MQTT Broker. That's why I used the typescript mqtt library. I followed the documentation, but after starting my react app I become the…
Spongi
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DEVIO-I ESP32 struck in loop and reboot again and again while communicating with MQTT Broker

I am using a DEVIO NB-DEVKIT I (support NB-IOT) to connect to the public broker of HiveMQ. I am using the code provided by AIS(Telecom service in Thailand) Team. I set the following settings in the Code: String address = "broker.hivemq.com"; …
Masood Salik
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Retained messages in the MQTT Message Protocol

I'm working with two MQTT client libs: One for Angular 14 (in my browser application), and the other is Mqtt 4.1.4 .Net client for Framework 4.6. At one point I was publishing an MQTT test message from my front-end application with retain: true.…
bob.mazzo
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Mqttnet client data crashes the subscribe code

I got the sample Mqttnet code (for publish and subcribe) from GitHub https://github.com/dotnet/MQTTnet/tree/master/Samples/Client I am sending MQTT message to hivemq.cloud free private cluster port 8883. Also, I am using the HIVEMQ web client to…
userb00
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Hive MqttClient DisconnectedListener takes forever (Android)

I am using the Hive Mqtt Library zu create a mqttclient. I added addDisconnectedListener because i need to change my view according to the connection state. The problem is that the callback is delayed. The callback takes 60 seconds on average to…
froots
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Hive VS Paho, Android Client. SSL issue with mosquitto broker

I am having issue connecting through SSL to my mosquitto broker. I have configured the broker correctly as it connects fine to my embedded device using lwIP mqtt client service. Sadly, i cannot use the same code on my android device. I started down…
terminalObserver
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How to configure certificates for Grafana MQTT plugin to connect to HiveMQ cloud broker

I'm running Grafana 9.3.6 installed via apt-get on Ubuntu 20.04.5 I have a HiveMQ cloud broker I'm trying to connect to. Previously I succeeded to connect via mosquitto command line tool and mosquittopp C++ interface. These required me to provide a…
amfast
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How to connect HiveMqtt to React app using mqtt package

I am trying to connect my react application to HiveMQ using mqtt.js package but I am having this error. This is the code I used useEffect(() => { const options: IClientOptions = { protocol: "ws", username:…
Ichan Rivera
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HiveMQ subscription callback works in unit test but not in Android app (newb)

I’m a newb building an Android app using HiveMQ to communicate with an IoT broker. My stand-alone unit test works great: I can subscribe to a topic, publish a message, and see the response come into my subscription callback: Mqtt3AsyncClient…
Trinition
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Paho python client connection failure to HiveMQ with connection return code 7

I have been testing a python client (Paho) with my local MQTT server (windows 10). It is working fine with passwords and TLS as well. My Paho python client successfully connects to HiveMQ public mosquito broker using port 1883 without any issues as…
Manoj
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Spring Integration Mqtt : DestinationResolutionException: no output-channel or replyChannel header available

Please can someone help me to understand where is the probleme in this config: Versions…
Razalgul
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Mqtt_server not connecting on port 8884

there is a problem I am facing that when I tried to connect server on port 8884 it gives me error Attempting MQTT connection…failed, rc = -4 try again in 5 seconds but the connection is successfully built on port 8883 I don’t understand the reason…
Hassan Ali
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Failed to connect to Hivemq and arduino state=2

I am trying to connect my ESP8266 board on my server in HiveMQ. Knowing that the in update would be a TLS-based connection, I had to adapt my code. However, so far I have not been able to stabilize the connection. Although I can upload the code to…
AndrasPataki
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