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.
الوصف
The server understands the Upgrade header field request and indicates which protocol it is switching to.
متى تراه
When upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
كيفية الإصلاح
This is normal behavior during protocol upgrades. Ensure your client supports the target protocol.
الوصف
The server cannot serve the requested byte range. The Range header value is outside the resource's size.
متى تراه
When requesting a byte range beyond the file's actual size.
كيفية الإصلاح
Check the Content-Range in the response for the actual file size and adjust your Range header.
الفروق الرئيسية
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.
متى تستخدم أيًا منهما
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.