HTTP 207 Multi-Status vs 412 Precondition Failed
HTTP 207 (Multi-Status) is a 2xx Success response, while 412 (Precondition Failed) is a 4xx Client Error response. 207 indicates that the response body contains status information for multiple resources, in situations where multiple status codes might be appropriate (WebDAV). In contrast, 412 means that one or more conditions in the request headers (If-Match, If-Unmodified-Since) evaluated to false.
Description
The response body contains status information for multiple resources, in situations where multiple status codes might be appropriate (WebDAV).
Quand vous le voyez
In WebDAV operations that affect multiple resources simultaneously.
Comment résoudre
Parse the XML body to check the status of each individual resource.
Description
One or more conditions in the request headers (If-Match, If-Unmodified-Since) evaluated to false.
Quand vous le voyez
When using conditional requests with ETags and the resource has changed.
Comment résoudre
Refresh the ETag/Last-Modified value and retry with updated preconditions.
Différences clés
207 is a 2xx Success response, while 412 is a 4xx Client Error response.
HTTP 207: The response body contains status information for multiple resources, in situations where multiple status codes might be appropriate (WebDAV).
HTTP 412: One or more conditions in the request headers (If-Match, If-Unmodified-Since) evaluated to false.
You encounter 207 when in WebDAV operations that affect multiple resources simultaneously.
You encounter 412 when when using conditional requests with ETags and the resource has changed.
Quand utiliser lequel
For 207 (Multi-Status): Parse the XML body to check the status of each individual resource. For 412 (Precondition Failed): Refresh the ETag/Last-Modified value and retry with updated preconditions.