HTTP 101 Switching Protocols vs 416 Range Not Satisfiable
HTTP 101 (Switching Protocols) is a 1xx Informational response, while 416 (Range Not Satisfiable) is a 4xx Client Error response. 101 indicates that the server understands the Upgrade header field request and indicates which protocol it is switching to. In contrast, 416 means that the server cannot serve the requested byte range. The Range header value is outside the resource's size.
Описание
The server understands the Upgrade header field request and indicates which protocol it is switching to.
Когда вы это видите
When upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
Как исправить
This is normal behavior during protocol upgrades. Ensure your client supports the target protocol.
Описание
The server cannot serve the requested byte range. The Range header value is outside the resource's size.
Когда вы это видите
When requesting a byte range beyond the file's actual size.
Как исправить
Check the Content-Range in the response for the actual file size and adjust your Range header.
Ключевые различия
101 is a 1xx Informational response, while 416 is a 4xx Client Error response.
HTTP 101: The server understands the Upgrade header field request and indicates which protocol it is switching to.
HTTP 416: The server cannot serve the requested byte range. The Range header value is outside the resource's size.
You encounter 101 when when upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
You encounter 416 when when requesting a byte range beyond the file's actual size.
Когда что использовать
For 101 (Switching Protocols): This is normal behavior during protocol upgrades. Ensure your client supports the target protocol. For 416 (Range Not Satisfiable): Check the Content-Range in the response for the actual file size and adjust your Range header.