HTTP 200 OK vs 417 Expectation Failed
HTTP 200 (OK) is a 2xx Success response, while 417 (Expectation Failed) is a 4xx Client Error response. 200 indicates that the request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only. In contrast, 417 means that the server cannot meet the requirements of the Expect header.
Descrição
The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.
Quando você o vê
The most common HTTP response — indicates the request was processed successfully.
Como corrigir
No fix needed. The request succeeded as expected.
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
200 is a 2xx Success response, while 417 is a 4xx Client Error response.
HTTP 200: The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.
HTTP 417: The server cannot meet the requirements of the Expect header.
You encounter 200 when the most common HTTP response — indicates the request was processed successfully.
You encounter 417 when when the server doesn't support Expect: 100-continue.
Quando usar qual
For 200 (OK): No fix needed. The request succeeded as expected. For 417 (Expectation Failed): Remove the Expect header from your request.