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.
Deskripsi
The server understands the Upgrade header field request and indicates which protocol it is switching to.
Ketika Anda Melihatnya
When upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
Cara Memperbaiki
This is normal behavior during protocol upgrades. Ensure your client supports the target protocol.
Deskripsi
Cloudflare-specific. A TCP connection was established but the origin didn't respond with an HTTP response in time.
Ketika Anda Melihatnya
When a request to the origin takes longer than Cloudflare's 100-second timeout.
Cara Memperbaiki
Optimize slow endpoints. Move long-running tasks to background jobs.
Perbedaan Utama
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.
Kapan Menggunakan Yang Mana
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.