HTTP 201 Created vs 417 Expectation Failed
HTTP 201 (Created) is a 2xx Success response, while 417 (Expectation Failed) 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, 417 means that the server cannot meet the requirements of the Expect header.
Описание
The request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
Когда вы это видите
After successfully creating a new user, post, order, or other resource via a REST API.
Как исправить
No fix needed. Check the Location header for the URL of the new resource.
Описание
The server cannot meet the requirements of the Expect header.
Когда вы это видите
When the server doesn't support Expect: 100-continue.
Как исправить
Remove the Expect header from your request.
Ключевые различия
201 is a 2xx Success response, while 417 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 417: The server cannot meet the requirements of the Expect header.
You encounter 201 when after successfully creating a new user, post, order, or other resource via a REST API.
You encounter 417 when when the server doesn't support Expect: 100-continue.
Когда что использовать
For 201 (Created): No fix needed. Check the Location header for the URL of the new resource. For 417 (Expectation Failed): Remove the Expect header from your request.