POST request working only once in Nodejs Expressjs MVC application

Question

I'm very newbie to nodejs.I'm practicing an Nodejs with express in MVC architecture with MySQL. All things are working fine, but I wonder why this application working POST request only once after server start.

This is my Controller

const IncData = require("../../models/Accounts_Models/Income_Model");

module.exports = {

    create_income_head(req,res){

        IncData.m_add_inc_head(req.con , req.body, function (err)

            {

                res.send(err);

            }

        )

    }

};

My Model

module.exports={

    m_add_inc_head: function (con,data,callback){

        con.query('CALL Create_Income_Head (?,?,?,?,?,?)',[data.income_category,data.description,1,0,'',''],callback);

    },

};

My Router

const express = require('express');

const router = express.Router();

const income = require("../../controllers/Accounts_Controllers/Income_Controller");

router.post("/add_income_head",income.create_income_head);

module.exports = router;

Someone please explain what went wrong in this code?

Answer 1

In your request you don't have successful response (so after request client side waits response but it's only for errors), try:

module.exports = {

    create_income_head(req,res) {

        IncData.m_add_inc_head(req.con , req.body, function (err) {

            if(err) {

              res.send(err);

            }

            // or just res.send('some message');

            // or res.status(201).end();

            res.status(201).json({ success: true });

        });

    }

};