HTTP 411 Length Required vs 414 URI Too Long
Both HTTP 411 (Length Required) and 414 (URI Too Long) belong to the 4xx Client Error category. 411 indicates that the server refuses to accept the request without a Content-Length header. Meanwhile, 414 means that the URI provided was too long for the server to process.
Description
The server refuses to accept the request without a Content-Length header.
When You See It
When sending a request body without specifying Content-Length.
How to Fix
Include a Content-Length header in your request.
Description
The URI provided was too long for the server to process.
When You See It
When query strings are extremely long or when accidentally sending a request body in the URL.
How to Fix
Shorten the URL. Move long parameters to the request body using POST instead of GET.
Key Differences
HTTP 411: The server refuses to accept the request without a Content-Length header.
HTTP 414: The URI provided was too long for the server to process.
You encounter 411 when when sending a request body without specifying Content-Length.
You encounter 414 when when query strings are extremely long or when accidentally sending a request body in the URL.
When to Use Which
For 411 (Length Required): Include a Content-Length header in your request. For 414 (URI Too Long): Shorten the URL. Move long parameters to the request body using POST instead of GET.