less than 1 minute read

I was trying to write a web API using Express.js routers, when I encountered the following error while making a GET request to /users:

<!-- GET /users -->
  <pre>Cannot GET /users</pre>

I spent a lot of time on Google trying to find what was the issue, with no success. My code was the following:

// app.js
var express = require('express');

var users = require('./routes/usersRoute');

var app = express();
app.use('/users', users);

// routes/userRoute.js
var express = require('express');
var router = express.Router();

var controller = require('../controllers/usersController');

router.get('/users', controller.get);

module.exports = router;

The problem

By specifying app.use('/users', users) in app.js, Express was already defining that requests to the /users endpoint would be routed to the users Router. It means that when I defined router.get('/users', controller.get) in userRoute.js, I was mistakenly asking Express to route requests to /users/users instead of /users.

The solution

Just change the get path to router.get('/', controller.get) in the Router.

Hope this can help people with the same issue as me.