Questions tagged [paho]

Paho is an Eclipse project has been created to provide scalable open-source implementations of open and standard messaging protocols like MQTT aimed at new, exisiting, and emerging applications for Machine-to-Machine (M2M) and Internet of Things (IoT).

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Will mqttv3 work in Java 1.4

Does any one know if its possible to use the org.eclipse.paho.client.mqttv3 client version 1.0.2 in a java application that must be coded with Java 1.4 ? I could not see where the minimum java requirement. Please let me know if its published and…
DevilCode
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Paho-mqtt.client can connect to digital-ocean mqtt server but cannot subscribe

please help me with this. I have spent good two days on this with no success. I am using Paho-Mqtt python client example. I also have HiveMq mqtt server on my digitalocean debian server. The client example code in python can connect and subscribe to…
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QoS1 vs QoS2 messages - difference in handling it with Paho MQTT client in Java

In reference to this article I think I know the difference between QoS1 and QoS2 messages, but I don't know the difference in handling both of them as a Paho MQTT client. Imagine I subscribe to the topic like this: MqttClient subscriber = new…
Witek
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Not getting published message from MQTT broker in Paho client

I have setup a Moquette MQTT broker and connected it with eclipse Paho client (I will call this paho1). Subscribing to in/# topic. I created another Paho client (I will call this paho2), with a different client id of course, and published it to the…
Jae Park
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Eclipse paho java driver doesn't support tls connection

Trying to connect to an MQTT broker using the eclipse paho (1.0.2) java library using a url of the form tls:// ... throws an IllegalArgumentException. Not surprising, it's specifically disallowed in the code (although ssl is available). Connecting…
Steve B.
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publishing and recieving bigger messages using MQTT

I'm trying to test out my android application which uses MQTT to receive messages. I receive the message as JSON which also contains a base64 encoded image. this works perfectly fine when the image is a few kilobytes , but when I try to send…
Ramin
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How to install Eclipse Paho Client View

I am completely new to Eclipse Paho and I am trying to undertstand the basics and get a test environment up and running. I have tracked down the org.eclipse.paho.client.mqttv3-1.0.2.jar. I created a test Eclipse project and successfully connected…
BustedSanta
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Python Paho MQTT client not instantiated

I want to follow the example mentioned here to connect to a broker in Python. The code is just stuck at the instantiation part. No response, no nothing ! What could be wrong ? pi@raspberrypi ~ $ python Python 2.7.3 (default, Mar 18 2014,…
cogitoergosum
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WebSocket connection error from browser

I have mosquitto MQTT broker running on my machine. And I want to run the MQTT client from browser. This is what I have done in a Django app: Mosquitto Websockets {% load staticfiles %}
toothie
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How can I know, to which topic the arrived message belongs?

I am developing an App and I am using MQTT protocol supported by Paho library. I am subscribing to 10 topics, and there will be a messgae(s) published for one at least one topic. now, when I get notified about the arrival of a new messae, how can i…
rmaik
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NPE in onPause despite the object is tested against null

in my App, i connecto to MQTT server/broker, the connection seetings/configuration is retrieved from SQLiteDB. I checked the entries retrieved (ip, port, clientID, KAtimer, sessionFlag) and all of them valid. These configuration is returned in…
rmaik
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PAHO Embedded C library Socket Recive implemantation

I'm trying to implement PAHO embedded C library to custom device ( STM32F405/GPRS module ) My main problem is create custom recv() function , which will use source for buffer. In PAHO library example, there is a transport_getdata() function. It…
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MQTT Js Last Will Message not getting published

I have the below code --> var last_will = new Paho.MQTT.Message("last message"); last_will.destinationName = "Bridge123"; client = new Paho.MQTT.Client("broker.mqttdashboard.com", Number("8000"), "AX123"); client.onConnectionLost =…
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paho-mqtt : callback thread

I am implementing a MQTT worker in python with paho-mqtt. Are all the on_message() multi threaded in different threads, so that if one of the task is time consuming, other messages can still be processed? If not, how to achieve this behaviour?
user3684457
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Eclipse Paho Python Client not connecting

When I try and run the code below the screen remains blank and doesn't indicate the client is connected to the broker. #! /usr/bin/python import paho.mqtt.client as mqtt broker = "localhost" #define what happens after connection def…
Anthony
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