HTTP 206 Partial Content vs 501 Not Implemented
HTTP 206 (Partial Content) is a 2xx Success response, while 501 (Not Implemented) is a 5xx Server Error response. 206 indicates that the server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming. In contrast, 501 means that the server does not support the functionality required to fulfill the request. The server either does not recognize the request method or lacks the ability to fulfill it.
説明
The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.
このコードが表示される場合
During video streaming, large file downloads, or when resuming interrupted downloads.
解決方法
No fix needed. This is normal behavior for range requests.
説明
The server does not support the functionality required to fulfill the request. The server either does not recognize the request method or lacks the ability to fulfill it.
このコードが表示される場合
When using an HTTP method (like PATCH) that the server doesn't support.
解決方法
Use a different HTTP method that the server supports. Check server documentation.
主な違い
206 is a 2xx Success response, while 501 is a 5xx Server Error response.
HTTP 206: The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.
HTTP 501: The server does not support the functionality required to fulfill the request. The server either does not recognize the request method or lacks the ability to fulfill it.
You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.
You encounter 501 when when using an HTTP method (like PATCH) that the server doesn't support.
どちらをいつ使うか
For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 501 (Not Implemented): Use a different HTTP method that the server supports. Check server documentation.