HTTP 100 Continue vs 510 Not Extended
HTTP 100 (Continue) is a 1xx Informational response, while 510 (Not Extended) is a 5xx Server Error response. 100 indicates that the server has received the request headers and the client should proceed to send the request body. This lets the client know it can continue with the request or abort if the headers were rejected. In contrast, 510 means that further extensions to the request are required for the server to fulfill it.
描述
The server has received the request headers and the client should proceed to send the request body. This lets the client know it can continue with the request or abort if the headers were rejected.
何时出现
When a client sends an Expect: 100-continue header, the server responds with 100 before the client sends the body.
如何修复
This is an interim response — no fix needed. The client should continue sending the request body.
描述
Further extensions to the request are required for the server to fulfill it.
何时出现
When an HTTP extension required by the server is not present in the request.
如何修复
Add the required extension headers to your request.
主要区别
100 is a 1xx Informational response, while 510 is a 5xx Server Error response.
HTTP 100: The server has received the request headers and the client should proceed to send the request body. This lets the client know it can continue with the request or abort if the headers were rejected.
HTTP 510: Further extensions to the request are required for the server to fulfill it.
You encounter 100 when when a client sends an Expect: 100-continue header, the server responds with 100 before the client sends the body.
You encounter 510 when when an HTTP extension required by the server is not present in the request.
何时使用哪个
For 100 (Continue): This is an interim response — no fix needed. The client should continue sending the request body. For 510 (Not Extended): Add the required extension headers to your request.