HTTP 200 OK vs 409 Conflict
HTTP 200 (OK) is a 2xx Success response, while 409 (Conflict) 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, 409 means that the request conflicts with the current state of the server. Often due to concurrent modification or business rule violations.
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 conflicts with the current state of the server. Often due to concurrent modification or business rule violations.
이 코드를 보게 되는 경우
When trying to create a resource that already exists, or updating a resource that was modified by another request.
해결 방법
Refresh the resource state, resolve conflicts, and retry. Use ETags for optimistic concurrency.
주요 차이점
200 is a 2xx Success response, while 409 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 409: The request conflicts with the current state of the server. Often due to concurrent modification or business rule violations.
You encounter 200 when the most common HTTP response — indicates the request was processed successfully.
You encounter 409 when when trying to create a resource that already exists, or updating a resource that was modified by another request.
언제 어떤 것을 사용할지
For 200 (OK): No fix needed. The request succeeded as expected. For 409 (Conflict): Refresh the resource state, resolve conflicts, and retry. Use ETags for optimistic concurrency.