414 URI Too Long (HTTP Status Code 414)

HTTP 414 error, also known as “URI Too Long,” indicates that the request URI (Uniform Resource Identifier) sent by the client exceeds the maximum length limit that the server can handle. This situation often occurs in GET requests, as data is appended to the URL, which can lead to overly long URIs.

Solutions

Shorten the URI Length: Remove unnecessary query parameters or path information to reduce the URI length.
Use POST Method Instead of GET: The GET method includes request parameters in the URI, while POST includes them in the request body, helping to avoid the URI length issue.
Use URL Shortening Services: Utilize URL shortening services to convert long URIs into shorter ones, preventing the 414 status code.
Increase Server URI Length Limit: If you are a server administrator, modify the server configuration to increase the allowed maximum URI length. For example, in Apache, adjust the LimitRequestLine directive in the httpd.conf file; in Nginx, modify the large_client_header_buffers configuration to allow longer URIs.
Optimize Code Logic: Review and optimize the code logic that generates URIs to avoid producing excessively long URIs.
Contact Website Administrator: If the issue arises when accessing other websites, reach out to the site’s technical support or administrator to request an increase in the URI length limit on their server.
Check for Redirect Loops: Redirect loops can cause URIs to be continually appended, exceeding the length limit. Reviewing and fixing redirect rules can resolve this issue.
Check for Malicious Behavior: If the server frequently receives requests with excessively long URIs, it may indicate a malicious attack. Assess the server’s security and implement protective measures.

By implementing the above solutions, you can effectively resolve the HTTP 414 error and ensure the smooth operation of your web applications.

414 URI Too Long (HTTP Status Code 414)

Solutions

Related 4xx error code