Vue Npm Run Serve Failed to Load Resource: Net::Err_Content_Length_Mismatch

Failed to load resource: net::ERR_CONTENT_LENGTH_MISMATCH

This error is definite mismatch between the data that is advertised in the HTTP Headers and the data transferred over the wire.

It could come from the following:

1. Server: If a server has a bug with certain modules that changes the content but don't update the content-length in the header or just doesn't work properly. It was the case for the Node HTTP Proxy at some point (see here)

2. Proxy: Any proxy between you and your server could be modifying the request and not update the content-length header.

As far as I know, I haven't see those problem in IIS but mostly with custom written code.

Let me know if that helps.

Vuejs console logs appear then disappears in chrome

Have you tried using the Preserve Log option in DevTools?

Javascript - ERR_CONTENT_LENGTH_MISMATCH

I am getting Error: net::ERR_CONTENT_LENGTH_MISMATCH

Have a look at your server logs to determine what the real issue is.

For me the problem lay somewhere between nginx and file permissions:

• tail -f /usr/local/var/log/nginx/error.log or run nginx -t to determine your conf location, where you could specify a custom log path.
• refresh the asset in your browser, eg http://localhost:3000/assets/jquery/jquery.js

You may see something like this in the logs:

"/usr/local/var/run/nginx/proxy_temp/9/04/0000000049" failed (13:
Permission denied) while reading upstream for file xyz

Heres how I fixed:

sudo nginx -s stop    
sudo rm -rf /usr/local/var/run/nginx/*    
sudo nginx

Getting error in console : Failed to load resource: net::ERR_CONNECTION_RESET

I think you are using chrome.
The problem is the certificate mismatch or the expiration of the certificate.Check your certificate properly.

Just visit here for more information.

What's the net::ERR_HTTP2_PROTOCOL_ERROR about?

I didn't figure out what exactly was happening, but I found a solution.

The CDN feature of OVH was the culprit. I had it installed on my host service but disabled for my domain because I didn't need it.

Somehow, when I enable it, everything works.

I think it forces Apache to use the HTTP2 protocol, but what I don't understand is that there indeed was an HTTP2 mention in each of my headers, which I presume means the server was answering using the right protocol.

So the solution for my very particular case was to enable the CDN option on all concerned domains.

If anyone understands better what could have happened here, feel free to share explanations.

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