HTTP 201 Created vs 499 Client Closed Request
HTTP 201 (Created) is a 2xx Success response, while 499 (Client Closed 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, 499 means that a non-standard status code used by Nginx when the client closes the connection before the server responds.
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
A non-standard status code used by Nginx when the client closes the connection before the server responds.
Quando você o vê
In Nginx logs when clients timeout or navigate away before receiving the response.
Como corrigir
Optimize server response times. Check for slow upstream services.
Diferenças principais
201 is a 2xx Success response, while 499 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 499: A non-standard status code used by Nginx when the client closes the connection before the server responds.
You encounter 201 when after successfully creating a new user, post, order, or other resource via a REST API.
You encounter 499 when in Nginx logs when clients timeout or navigate away before receiving the response.
Quando usar qual
For 201 (Created): No fix needed. Check the Location header for the URL of the new resource. For 499 (Client Closed Request): Optimize server response times. Check for slow upstream services.