HTTP 205 Reset Content vs 499 Client Closed Request
HTTP 205 (Reset Content) is a 2xx Success response, while 499 (Client Closed Request) is a 4xx Client Error response. 205 indicates that the server fulfilled the request and the client should reset the document view (e.g., clear a form). In contrast, 499 means that a non-standard status code used by Nginx when the client closes the connection before the server responds.
説明
The server fulfilled the request and the client should reset the document view (e.g., clear a form).
このコードが表示される場合
After form submissions where the server wants the client to reset the form for new input.
解決方法
The client should clear the form or reset the view. Rarely used in practice.
説明
A non-standard status code used by Nginx when the client closes the connection before the server responds.
このコードが表示される場合
In Nginx logs when clients timeout or navigate away before receiving the response.
解決方法
Optimize server response times. Check for slow upstream services.
主な違い
205 is a 2xx Success response, while 499 is a 4xx Client Error response.
HTTP 205: The server fulfilled the request and the client should reset the document view (e.g., clear a form).
HTTP 499: A non-standard status code used by Nginx when the client closes the connection before the server responds.
You encounter 205 when after form submissions where the server wants the client to reset the form for new input.
You encounter 499 when in Nginx logs when clients timeout or navigate away before receiving the response.
どちらをいつ使うか
For 205 (Reset Content): The client should clear the form or reset the view. Rarely used in practice. For 499 (Client Closed Request): Optimize server response times. Check for slow upstream services.