HTTP 101 Switching Protocols vs 524 A Timeout Occurred
HTTP 101 (Switching Protocols) is a 1xx Informational response, while 524 (A Timeout Occurred) is a 5xx Server Error response. 101 indicates that the server understands the Upgrade header field request and indicates which protocol it is switching to. In contrast, 524 means that cloudflare-specific. A TCP connection was established but the origin didn't respond with an HTTP response in time.
描述
The server understands the Upgrade header field request and indicates which protocol it is switching to.
何时出现
When upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
如何修复
This is normal behavior during protocol upgrades. Ensure your client supports the target protocol.
描述
Cloudflare-specific. A TCP connection was established but the origin didn't respond with an HTTP response in time.
何时出现
When a request to the origin takes longer than Cloudflare's 100-second timeout.
如何修复
Optimize slow endpoints. Move long-running tasks to background jobs.
主要区别
101 is a 1xx Informational response, while 524 is a 5xx Server Error response.
HTTP 101: The server understands the Upgrade header field request and indicates which protocol it is switching to.
HTTP 524: Cloudflare-specific. A TCP connection was established but the origin didn't respond with an HTTP response in time.
You encounter 101 when when upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
You encounter 524 when when a request to the origin takes longer than Cloudflare's 100-second timeout.
何时使用哪个
For 101 (Switching Protocols): This is normal behavior during protocol upgrades. Ensure your client supports the target protocol. For 524 (A Timeout Occurred): Optimize slow endpoints. Move long-running tasks to background jobs.