HTTP 400 Bad Request vs 508 Loop Detected
HTTP 400 (Bad Request) is a 4xx Client Error response, while 508 (Loop Detected) is a 5xx Server Error response. 400 indicates that the server cannot process the request due to malformed syntax, invalid request message framing, or deceptive request routing. In contrast, 508 means that the server detected an infinite loop while processing the request (WebDAV).
Description
The server cannot process the request due to malformed syntax, invalid request message framing, or deceptive request routing.
When You See It
When sending malformed JSON, missing required fields, or invalid query parameters.
How to Fix
Check the request body format, validate all required fields, and ensure proper encoding.
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
400 is a 4xx Client Error response, while 508 is a 5xx Server Error response.
HTTP 400: The server cannot process the request due to malformed syntax, invalid request message framing, or deceptive request routing.
HTTP 508: The server detected an infinite loop while processing the request (WebDAV).
You encounter 400 when when sending malformed JSON, missing required fields, or invalid query parameters.
You encounter 508 when when WebDAV encounters circular references in bindings.
When to Use Which
For 400 (Bad Request): Check the request body format, validate all required fields, and ensure proper encoding. For 508 (Loop Detected): Fix the circular reference in the WebDAV configuration.