HTTP 405 Method Not Allowed vs 508 Loop Detected
HTTP 405 (Method Not Allowed) is a 4xx Client Error response, while 508 (Loop Detected) is a 5xx Server Error response. 405 indicates that the HTTP method is not allowed for the requested resource. The response includes an Allow header listing valid methods. In contrast, 508 means that the server detected an infinite loop while processing the request (WebDAV).
Description
The HTTP method is not allowed for the requested resource. The response includes an Allow header listing valid methods.
When You See It
When sending POST to a read-only endpoint, or DELETE to a non-deletable resource.
How to Fix
Check the Allow response header for supported methods. Use the correct HTTP method.
Description
The server detected an infinite loop while processing the request (WebDAV).
When You See It
When WebDAV encounters circular references in bindings.
How to Fix
Fix the circular reference in the WebDAV configuration.
Key Differences
405 is a 4xx Client Error response, while 508 is a 5xx Server Error response.
HTTP 405: The HTTP method is not allowed for the requested resource. The response includes an Allow header listing valid methods.
HTTP 508: The server detected an infinite loop while processing the request (WebDAV).
You encounter 405 when when sending POST to a read-only endpoint, or DELETE to a non-deletable resource.
You encounter 508 when when WebDAV encounters circular references in bindings.
When to Use Which
For 405 (Method Not Allowed): Check the Allow response header for supported methods. Use the correct HTTP method. For 508 (Loop Detected): Fix the circular reference in the WebDAV configuration.