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.
Descrição
The request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
Quando você o vê
After successfully creating a new user, post, order, or other resource via a REST API.
Como corrigir
No fix needed. Check the Location header for the URL of the new resource.
Descrição
The server cannot meet the requirements of the Expect header.
Quando você o vê
When the server doesn't support Expect: 100-continue.
Como corrigir
Remove the Expect header from your request.
Diferenças principais
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.
Quando usar qual
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.