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I'm receiving the following error with express:

Error: request entity too large
    at module.exports (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/node_modules/raw-body/index.js:16:15)
    at json (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/json.js:60:5)
    at Object.bodyParser [as handle] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/bodyParser.js:53:5)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
    at Object.cookieParser [as handle] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/cookieParser.js:60:5)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
    at Object.logger (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/logger.js:158:5)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
    at Object.staticMiddleware [as handle] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/static.js:55:61)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
TypeError: /Users/michaeljames/Documents/Projects/Proj/mean/app/views/includes/foot.jade:31
    29| script(type="text/javascript", src="/js/socketio/connect.js")
    30| 
  > 31| if (req.host='localhost')
    32|     //Livereload script rendered 
    33|     script(type='text/javascript', src='http://localhost:35729/livereload.js')  
    34| 

Cannot set property 'host' of undefined
    at eval (eval at <anonymous> (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:152:8), <anonymous>:273:15)
    at /Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:153:35
    at Object.exports.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:197:10)
    at Object.exports.renderFile (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:233:18)
    at View.exports.renderFile [as engine] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:218:21)
    at View.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/lib/view.js:76:8)
    at Function.app.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/lib/application.js:504:10)
    at ServerResponse.res.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/lib/response.js:801:7)
    at Object.handle (/Users/michaeljames/Documents/Projects/Proj/mean/config/express.js:82:29)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:188:17)

POST /api/0.1/people 500 618ms

I am using meanstack. I have the following use statements in my express.js

//Set Request Size Limit
app.use(express.limit(100000000));

Within fiddler I can see the content-length header with a value of: 1078702

I believe this is in octets, this is 1.0787 megabytes.

I have no idea why express is not letting me post the json array I was posting previously in another express project that was not using the mean stack project structure.

I'm receiving the following error with express:

Error: request entity too large
    at module.exports (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/node_modules/raw-body/index.js:16:15)
    at json (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/json.js:60:5)
    at Object.bodyParser [as handle] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/bodyParser.js:53:5)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
    at Object.cookieParser [as handle] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/cookieParser.js:60:5)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
    at Object.logger (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/logger.js:158:5)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
    at Object.staticMiddleware [as handle] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/static.js:55:61)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
TypeError: /Users/michaeljames/Documents/Projects/Proj/mean/app/views/includes/foot.jade:31
    29| script(type="text/javascript", src="/js/socketio/connect.js")
    30| 
  > 31| if (req.host='localhost')
    32|     //Livereload script rendered 
    33|     script(type='text/javascript', src='http://localhost:35729/livereload.js')  
    34| 

Cannot set property 'host' of undefined
    at eval (eval at <anonymous> (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:152:8), <anonymous>:273:15)
    at /Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:153:35
    at Object.exports.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:197:10)
    at Object.exports.renderFile (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:233:18)
    at View.exports.renderFile [as engine] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:218:21)
    at View.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/lib/view.js:76:8)
    at Function.app.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/lib/application.js:504:10)
    at ServerResponse.res.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/lib/response.js:801:7)
    at Object.handle (/Users/michaeljames/Documents/Projects/Proj/mean/config/express.js:82:29)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:188:17)

POST /api/0.1/people 500 618ms

I am using meanstack. I have the following use statements in my express.js

//Set Request Size Limit
app.use(express.limit(100000000));

Within fiddler I can see the content-length header with a value of: 1078702

I believe this is in octets, this is 1.0787 megabytes.

I have no idea why express is not letting me post the json array I was posting previously in another express project that was not using the mean stack project structure.

• javascript
• node.js
• http
• express

Share Improve this question Follow edited Dec 13, 2016 at 18:40 GG. 21.8k1414 gold badges9090 silver badges132132 bronze badges asked Nov 11, 2013 at 22:40 mike jamesmike james 9,42033 gold badges2020 silver badges2121 bronze badges 1

• 10 quick note on this to anyone coming to this question - make sure your issue is actually the node server or body parser. For example I'm using body parser correctly but I got this error because I for to set the max body size in the NGINX conf file. – Stephen Tetreault Commented Dec 11, 2017 at 18:14

Add a comment  | 

34 Answers 34

Sorted by: Reset to default 1 2 Next 1602

I had the same error recently, and all the solutions I tried did not work.

After some digging, I found that setting app.use(express.bodyParser({limit: '50mb'})); did set the limit correctly.

When adding a console.log('Limit file size: ' + limit); in node_modules/express/node_modules/connect/lib/middleware/json.js:46 and restarting node, I get this output in the console:

Limit file size: 1048576
connect.multipart() will be removed in connect 3.0
visit https://github.com/senchalabs/connect/wiki/Connect-3.0 for alternatives
connect.limit() will be removed in connect 3.0
Limit file size: 52428800
Express server listening on port 3002

We can see that at first, when loading the connect module, the limit is set to 1mb (1048576 bytes). Then when I set the limit, the console.log is called again and this time the limit is 52428800 (50mb). However, I still get a 413 Request entity too large.

Then I added console.log('Limit file size: '+limit); in node_modules/express/node_modules/connect/node_modules/raw-body/index.js:10 and saw another line in the console when calling the route with a big request (before the error output) :

Limit file size: 1048576

This means that somehow, somewhere, connect resets the limit parameter and ignores what I specified. I tried specifying the bodyParser parameters in the route definition individually, but no luck either.

While I did not find any proper way to set it permanently, you can "patch" it in the module directly. If you are using Express 3.4.4, add this at line 46 of node_modules/express/node_modules/connect/lib/middleware/json.js :

limit = 52428800; // for 50mb, this corresponds to the size in bytes

The line number might differ if you don't run the same version of Express. Please note that this is bad practice and it will be overwritten if you update your module.

So this temporary solution works for now, but as soon as a solution is found (or the module fixed, in case it's a module problem) you should update your code accordingly.

I have opened an issue on their GitHub about this problem.

[edit - found the solution]

After some research and testing, I found that when debugging, I added app.use(express.bodyParser({limit: '50mb'}));, but after app.use(express.json());. Express would then set the global limit to 1mb because the first parser he encountered when running the script was express.json(). Moving bodyParser above it did the trick.

That said, the bodyParser() method will be deprecated in Connect 3.0 and should not be used. Instead, you should declare your parsers explicitly, like so :

app.use(express.json({limit: '50mb'}));
app.use(express.urlencoded({limit: '50mb'}));

In case you need multipart (for file uploads) see this post.

[second edit]

Note that in Express 4, instead of express.json() and express.urlencoded(), you must require the body-parser module and use its json() and urlencoded() methods, like so:

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

If the extended option is not explicitly defined for bodyParser.urlencoded(), it will throw a warning (body-parser deprecated undefined extended: provide extended option). This is because this option will be required in the next version and will not be optional anymore. For more info on the extended option, you can refer to the readme of body-parser.

[third edit]

It seems that in Express v4.16.0 onwards, we can go back to the initial way of doing this (thanks to @GBMan for the tip):

app.use(express.json({limit: '50mb'}));
app.use(express.urlencoded({limit: '50mb'}));

In my case it was not enough to add these lines :

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

I tried adding the parameterLimit option on urlencoded function as the documentation says and error no longer appears.

The parameterLimit option controls the maximum number of parameters that are allowed in the URL-encoded data. If a request contains more parameters than this value, a 413 will be returned to the client. Defaults to 1000.

Try with this code:

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

If someone tried all the answers, but hadn't had any success yet and uses NGINX to host the site add this line to /etc/nginx/sites-available

client_max_body_size 100M; #100mb

I don't think this is the express global size limit, but specifically the connect.json middleware limit. This is 1MB by default when you use express.bodyParser() and don't provide a limit option.

Try:

app.post('/api/0.1/people', express.bodyParser({limit: '5mb'}), yourHandler);

For express ~4.16.0, express.json with limit works directly

app.use(express.json({limit: '50mb'}));

in my case .. setting parameterLimit:50000 fixed the problem

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

The following worked for me... Just use

app.use(bodyParser({limit: '50mb'}));

that's it.

Tried all above and none worked. Found that even though we use like the following,

app.use(bodyParser());
app.use(bodyParser({limit: '50mb'}));
app.use(bodyParser.urlencoded({limit: '50mb'}));

only the 1st app.use(bodyParser()); one gets defined and the latter two lines were ignored.

Refer: https://github.com/expressjs/body-parser/issues/176 >> see 'dougwilson commented on Jun 17, 2016'

2016, none of the above worked for me until i explicity set the 'type' in addition to the 'limit' for bodyparser, example:

  var app = express();
  var jsonParser       = bodyParser.json({limit:1024*1024*20, type:'application/json'});
  var urlencodedParser = bodyParser.urlencoded({ extended:true,limit:1024*1024*20,type:'application/x-www-form-urlencoded' })

  app.use(jsonParser);
  app.use(urlencodedParser);

The setting below has worked for me

Express 4.16.1

app.use(bodyParser.json({ limit: '50mb' }))
app.use(bodyParser.urlencoded({
  limit: '50mb',
  extended: false,
}))

Nginx

client_max_body_size 50m;
client_body_temp_path /data/temp;

In my case the problem was on Nginx configuration. To solve it I have to edit the file: /etc/nginx/nginx.conf and add this line inside server block:

client_max_body_size 5M;

Restart Nginx and the problems its gone

sudo systemctl restart nginx

This issue happens in two cases:

1- request body is too large and server cannot process this large data. this will serve it

app.use(express.json({limit: '50mb'}));

2- req.cookies is too large. When testing different next.js applications on the same browser, each time each app was starting on a different port if there were running some apps. Same app might end up starting at port 3000-3005 range. That means if your app saves cookie, that cookie will be saved for each port. Let's say you started 5 different apps at localhost:3000, and each one saved a cookie. If you make a request, all the cookies will be attached to the request object, in this case you will not able to process even small size of post.body. Solution is you have to delete all the cookies

A slightly different approach - the payload is too BIG

All the helpful answers so far deal with increasing the payload limit. But it might also be the case that the payload is indeed too big but for no good reason. If there's no valid reason for it to be, consider looking into why it's so bloated in the first place.

Our own experience

For example, in our case, an Angular app was greedily sending an entire object in the payload. When one bloated and redundant property was removed, the payload size was reduced by a factor of a 100. This significantly improved performance and resolved the 413 error.

Just adding this one line must solve it actually

app.use(express.json({limit: '50mb'}));

Also recommend you guys to send the whole image to the backend then convert it rather then sending the data from the frontend

After דo many tries I got my solution

I have commented this line

app.use(bodyParser.json());

and I put

app.use(bodyParser.json({limit: '50mb'}))

Then it works

Pass the below configs to your server to increase your request size.

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

Little old post but I had the same problem

Using express 4.+ my code looks like this and it works great after two days of extensive testing.

var url         = require('url'),
    homePath    = __dirname + '/../',
    apiV1       = require(homePath + 'api/v1/start'),
    bodyParser  = require('body-parser').json({limit:'100mb'});

module.exports = function(app){
    app.get('/', function (req, res) {
        res.render( homePath + 'public/template/index');
    });

    app.get('/api/v1/', function (req, res) {
        var query = url.parse(req.url).query;
        if ( !query ) {
            res.redirect('/');
        }
        apiV1( 'GET', query, function (response) {
            res.json(response);
        });
    });

    app.get('*', function (req,res) {
        res.redirect('/');
    });

    app.post('/api/v1/', bodyParser, function (req, res) {
        if ( !req.body ) {
            res.json({
                status: 'error',
                response: 'No data to parse'
            });
        }
        apiV1( 'POST', req.body, function (response) {
            res.json(response);
        });
    });
};

In my case removing Content-type from the request headers worked.

To add to Alexander's answer.

By default, NGINX has an upload limit of 1 MB per file. By limiting the file size of uploads, you can prevent some types of Denial-of-service (DOS) attacks and many other issues.

So when you try to upload a file above the 1MB limit you will run into a 413 error.

By editing client_max_body_size, you can adjust the file upload size. Use the http, server, or location block to edit client_max_body_size.

server {
  server_name example.com;

  location / {
    proxy_set_header HOST $host;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

    proxy_pass http://127.0.0.1:8080;
    client_max_body_size 20M;
  }

    listen [::]:443 ssl ipv6only=on; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/infohob.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/infohob.com/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

}

Reference: Limit File Upload Size in NGINX

I've used another practice for this problem with multer dependancie.

Example:

multer = require('multer');

var uploading = multer({
  limits: {fileSize: 1000000, files:1},
});

exports.uploadpictureone = function(req, res) {
  cloudinary.uploader.upload(req.body.url, function(result) {
    res.send(result);
  });
};

module.exports = function(app) {
    app.route('/api/upload', uploading).all(uploadPolicy.isAllowed)
        .post(upload.uploadpictureone);
};

If you are using express.json() and bodyParser together it will give error as express sets its own limit.

app.use(express.json());
app.use(express.urlencoded({ extended: false }));

remove above code and just add below code

app.use(bodyParser.json({ limit: "200mb" }));
app.use(bodyParser.urlencoded({ limit: "200mb",  extended: true, parameterLimit: 1000000 }));

After trying everything in this post, i was unsuccessful. But I found a solution that worked for me. I was able to solve it without using the body-parser and only with the express. It looked like this:

const express = require('express');    

const app = express();
app.use(express.json({limit: '25mb'}));
app.use(express.urlencoded({limit: '25mb', extended: true}));

Don't forget to use extended: true to remove the deprecated message from the console.

Work for me:

Config nginx max file zise [https://patriciahillebrandt.com/nginx-413-request-entity-too-large/][1]

and

app.use(bodyParser.json({ limit: "200mb" }));
app.use(bodyParser.urlencoded({ limit: "200mb",  extended: true, parameterLimit: 1000000 }));

for me following snippet solved the problem.

var bodyParser = require('body-parser');
app.use(bodyParser.json({limit: '50mb'})); 

I too faced that issue, I was making a silly mistake by repeating the app.use(bodyParser.json()) like below:

app.use(bodyParser.json())
app.use(bodyParser.json({ limit: '50mb' }))

by removing app.use(bodyParser.json()), solved the problem.

I faced the same issue recently and bellow solution workes for me.

Dependency : 
express >> version : 4.17.1
body-parser >> version": 1.19.0

const express = require('express');
const bodyParser = require('body-parser');

const app = express(); 
app.use(bodyParser.json({limit: '50mb'}));
app.use(bodyParser.urlencoded({limit: '50mb', extended: true}));

For understanding : HTTP 431

The HTTP 413 Payload Too Large response status code indicates that the request entity is larger than limits defined by server; the server might close the connection or return a Retry-After header field.

The better use you can specify the limit of your file size as it is shown in the given lines:

app.use(bodyParser.json({limit: '10mb', extended: true}))
app.use(bodyParser.urlencoded({limit: '10mb', extended: true}))

You can also change the default setting in node-modules body-parser then in the lib folder, there are JSON and text file. Then change limit here. Actually, this condition pass if you don't pass the limit parameter in the given line app.use(bodyParser.json({limit: '10mb', extended: true})).

Express 4.17.1

app.use( express.urlencoded( {
    extended: true,
    limit: '50mb'
} ) )

Demo csb

Following code resolved my issue:

var bodyParser = require('body-parser');
var urlencodedParser = bodyParser.urlencoded({ extended: false, limit: '5mb' });

if you still struggeling look for all your app.use(express.json()) in ALL your code and make sure is executed only once.

For me the main trick is

app.use(bodyParser.json({
  limit: '20mb'
}));

app.use(bodyParser.urlencoded({
  limit: '20mb',
  parameterLimit: 100000,
  extended: true 
}));

bodyParse.json first bodyParse.urlencoded second

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