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Why Am I Getting the net::ERR_HTTP2_PROTOCOL_ERROR in Chrome?
- Barbara StreisandOriginal
- 2024-12-04 09:33:10547browse
Understanding the net::ERR_HTTP2_PROTOCOL_ERROR Error
The net::ERR_HTTP2_PROTOCOL_ERROR is a relatively new web error that can occur when accessing websites using HTTPS in Google Chrome. It is characterized by error code 200, indicating that the server returned a successful response, but the client (Chrome) encountered a problem with the protocol.
This error is often associated with JavaScript execution issues, preventing widgets or third-party scripts from loading properly. A common scenario is when a Twitter feed integrated via HTTPS does not load, and the console displays the ERR_HTTP2_PROTOCOL_ERROR.
Possible Causes of the Error
While the error is not well-documented, possible causes include:
- Server header issues (specifically, a header with code 200)
- Lack of disk space on the web server
- Problems with HTTP/2 protocol implementation in Chrome
Troubleshooting Steps
To resolve the net::ERR_HTTP2_PROTOCOL_ERROR, try the following steps:
- Check server headers: Inspect the HTTP header of the affected resource. Ensure it is properly formatted and includes a valid certificate.
- Verify disk space: Make sure that the web server hosting the site has sufficient disk space. Lack of space can prevent proper execution of HTTP/2 requests.
- Update Chrome: Keep Chrome up-to-date. New releases may address protocol-related errors.
- Disable QUIC protocol: In Google Chrome's settings, disable the Experimental QUIC protocol. While unrelated to HTTP/2, QUIC issues can sometimes cause this error.
- Try other browsers: Temporarily switch to another browser (e.g., Firefox or Edge) to see if the issue persists.
Example Case: Disk Space Issue
In one reported case, the net::ERR_HTTP2_PROTOCOL_ERROR occurred due to insufficient disk space on the web server. Once the disk space was freed, the error disappeared.
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