HTTP 201 Created vs 421 Misdirected Request
HTTP 201 (Created) is a 2xx Success response, while 421 (Misdirected Request) is a 4xx Client Error response. 201 indicates that the request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity. In contrast, 421 means that the request was directed at a server that is unable to produce a response for the combination of scheme and authority in the URI.
Description
The request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
Quand vous le voyez
After successfully creating a new user, post, order, or other resource via a REST API.
Comment résoudre
No fix needed. Check the Location header for the URL of the new resource.
Description
The request was directed at a server that is unable to produce a response for the combination of scheme and authority in the URI.
Quand vous le voyez
With HTTP/2 when a connection is reused for a domain the certificate doesn't cover.
Comment résoudre
Retry the request on a new connection.
Différences clés
201 is a 2xx Success response, while 421 is a 4xx Client Error response.
HTTP 201: The request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
HTTP 421: The request was directed at a server that is unable to produce a response for the combination of scheme and authority in the URI.
You encounter 201 when after successfully creating a new user, post, order, or other resource via a REST API.
You encounter 421 when with HTTP/2 when a connection is reused for a domain the certificate doesn't cover.
Quand utiliser lequel
For 201 (Created): No fix needed. Check the Location header for the URL of the new resource. For 421 (Misdirected Request): Retry the request on a new connection.