mqtt communication between node.js and java

Question

Goal is to send data using mqtt protocol. Java project (tempSensor) produce tempvalue using mqtt protocol and node.js which subscribe tempvalue using mqtt. Both node.js and

Answer 1

Finally i am able to solve the problem.On the receiving side, we need to convert byte in to readable string and than parse readable using JSON parser. Solution is shown below:

var mqtt=require('mqtt');
var client=mqtt.connect('mqtt://test.mosquitto.org:1883');  
client.subscribe('tempMeasurement');
client.on('message',function(topic,payload){
if(topic.toString()=="tempMeasurement"){
console.log("Message received");
var data =payload.toString('utf8',7);
var temp=JSON.parse(data);
console.log(temp.tempValue,temp.unitOfMeasurement);
//console.log(data);
}  
});