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.
描述
The request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
何时出现
After successfully creating a new user, post, order, or other resource via a REST API.
如何修复
No fix needed. Check the Location header for the URL of the new resource.
描述
The server cannot meet the requirements of the Expect header.
何时出现
When the server doesn't support Expect: 100-continue.
如何修复
Remove the Expect header from your request.
主要区别
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.
何时使用哪个
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.