NodeJS Router payload too large

Question

I'm creating rest endpoints in my nodejs application as follows:

In my server.js I have the following code:

var express = require('express');
var app = express();
app.use(express.json({ limit: '50mb' }));
app.use(express.urlencoded({ limit: '50mb', extended: true }));
app.use(require('./routes/APIRoutes'));

I also tried the code below instead of using the express.json and expres.urlencoded as suggested on the potential duplicate question.

var app = express();
var bodyParser = require('body-parser');
app.use(bodyParser.json({ limit: '50mb' }));
app.use(bodyParser.urlencoded({ limit: '50mb', extended: true }));
app.use(require('./routes/APIRoutes'));

In my APIRoutes file I have the following code:

/* --- INIT --- */
var express = require('express');
var router = express.Router();
var bodyParser = require('body-parser');
router.use(bodyParser.json({ limit: '50mb' }));
router.use(bodyParser.urlencoded({ limit: '50mb', extended: true }));

var urlencodedParser = bodyParser.urlencoded({ limit: '50mb', extended: true });

router.post('...', urlencodedParser, function (req, res) {
...
});

I tried different combinations and orders for setting the limit higher. But currently every time I send a payload of 2kb, I get an 413 "(Payload Too Large)" error back.

Any help what the correct location is for setting the limit?

Answer 1

You can use this straightaway in express if you are using the latest version of express.

    let express = require('express');

    let app = express();

    app.use(express.json({limit: '50mb', extended: true}));
    app.use(express.urlencoded({limit: "50mb", extended: true, parameterLimit:50000}));

Please note that this will only work with express versions bundled with bodyParser (bodyParser was added back to express in release 4.16.0)

Answer 2

I found the solution for my problem in one of the unaccepted answers of the suggested duplicate of TKJohn. I had to add the parameter limit so that my code became:

var app = express();
var bodyParser = require('body-parser');
app.use(bodyParser.json({ limit: '50mb' }));
app.use(bodyParser.urlencoded({ limit: '50mb', extended: true, parameterLimit: 50000 }));

After the addition it worked!

I was also ablo to remove the code from APIRoutes.js

router.use(bodyParser.json({ limit: '50mb' }));
router.use(bodyParser.urlencoded({ limit: '50mb', extended: true }));