HTTP 101 Switching Protocols vs 418 I'm a Teapot
HTTP 101 (Switching Protocols) is a 1xx Informational response, while 418 (I'm a Teapot) 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, 418 means that any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture.
Beschreibung
The server understands the Upgrade header field request and indicates which protocol it is switching to.
Wann Sie es sehen
When upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
Wie man es behebt
This is normal behavior during protocol upgrades. Ensure your client supports the target protocol.
Beschreibung
Any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture.
Wann Sie es sehen
As an Easter egg on some websites, or when a server humorously refuses a request.
Wie man es behebt
Use a coffee pot instead of a teapot. Or just enjoy the joke.
Wesentliche Unterschiede
101 is a 1xx Informational response, while 418 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 418: Any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture.
You encounter 101 when when upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
You encounter 418 when as an Easter egg on some websites, or when a server humorously refuses a request.
Wann welchen verwenden
For 101 (Switching Protocols): This is normal behavior during protocol upgrades. Ensure your client supports the target protocol. For 418 (I'm a Teapot): Use a coffee pot instead of a teapot. Or just enjoy the joke.