HTTP

HTTP 200 OK vs 421 Misdirected Request

HTTP 200 (OK) is a 2xx Success response, while 421 (Misdirected Request) 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, 421 means that the request was directed at a server that is unable to produce a response for the combination of scheme and authority in the URI.

설명

The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.

이 코드를 보게 되는 경우

The most common HTTP response — indicates the request was processed successfully.

해결 방법

No fix needed. The request succeeded as expected.

설명

The request was directed at a server that is unable to produce a response for the combination of scheme and authority in the URI.

이 코드를 보게 되는 경우

With HTTP/2 when a connection is reused for a domain the certificate doesn't cover.

해결 방법

Retry the request on a new connection.

주요 차이점

1.

200 is a 2xx Success response, while 421 is a 4xx Client Error response.

2.

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.

3.

HTTP 421: The request was directed at a server that is unable to produce a response for the combination of scheme and authority in the URI.

4.

You encounter 200 when the most common HTTP response — indicates the request was processed successfully.

5.

You encounter 421 when with HTTP/2 when a connection is reused for a domain the certificate doesn't cover.

언제 어떤 것을 사용할지

For 200 (OK): No fix needed. The request succeeded as expected. For 421 (Misdirected Request): Retry the request on a new connection.

더 알아보기