Not Found The requested URL was not found on this server.

Question

i have setup a nodejs and mysql stack on the same ec2 instance. Ive checked the connection to the server via the public ip dns from workbench on my workstation with no problems. I also ssh into the ec2 server from the terminal with no problem. I have two simple html pages (index and register page) and then a subfolder for the server file (server.js) to connect the database in MySQL. I tried to check if i can register a user on the registration page and redirect back to the home page, but i was unsuccessful i get an error (Not Found The requested URL was not found on this server.) then i added a virtualhost : GNU nano 6.2 /etc/apache2/sites-available/web-app.conf ServerName DocumentRoot /home/ubuntu/application ProxyPreserveHost On ProxyPass / http://localhost:3006/ ProxyPassReverse / http://localhost:3006/ ErrorLog ${APACHE_LOG_DIR}/error.log CustomLog ${APACHE_LOG_DIR}/access.log combined and i tried to register a user and then i got the error: cannot get / i am simply trying to connect the frontend to mysql db on the same ubuntu ec2 instance. ----index.html----

webapp

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----register.html---- Registration Form ----server.js---- const http = require('http'); const mysql = require('mysql2'); const express = require('express'); const bcrypt = require('bcrypt'); const bodyParser = require('body-parser'); const path = require('path'); // Import the 'path' module const app = express(); const port = 3006; // Create a MySQL connection const connection = mysql.createConnection({ host: 'private ipv4', user: 'ubuntu', password: 'webapp', database: 'WebApp', port: '3306', }); connection.connect((err) => { if (err) { console.error('Error connecting to MySQL:', err); return; } console.log('Connected to MySQL'); }); // Middleware for parsing JSON and form data app.use(bodyParser.urlencoded({ extended: false })); app.use(bodyParser.json()); // Serve static files from the 'application' directory app.use(express.static(path.join(__dirname, 'application'))); // Route to handle registration form app.post('/register', (req, res) => { const { fullName, title, agency, email, telephone, password, passwordConfirm } = req.body; // Check if passwords match if (password !== passwordConfirm) { return res.send('Passwords do not match'); } // Hash the password before storing it in the database bcrypt.hash(password, 10, (err, hashedPassword) => { if (err) { console.error('Error hashing password:', err); return res.send('Error hashing password'); } // Insert user data into the database const userData = { full_name: fullName, title, agency, email, telephone, password: hashedPassword, // Store the hashed password }; connection.query('INSERT INTO users SET ?', userData, (err, results) => { if (err) { console.error('Error inserting user data:', err); return res.send('Error inserting user data'); } // Redirect to the home page after successful registration res.redirect('/index.html'); }); }); }); // Start the server const server = http.createServer(app); server.listen(port, () => { console.log(`Server running on port ${port}`); }); ---file strcture---- /home/ubuntu/application/ - index.html - register.html /home/ubuntu/application/server : - server.js

Answer

Hello.

Are there any logs output to Apache's error logs or access logs that can help identify the cause?  
Also, it seems that you are proxying to "http://localhost:3006/", but is it possible to access it directly using curl command etc?

Not Found The requested URL was not found on this server.

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