HTTP 206 Partial Content vs 417 Expectation Failed
HTTP 206 (Partial Content) is a 2xx Success response, while 417 (Expectation Failed) is a 4xx Client Error response. 206 indicates that the server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming. In contrast, 417 means that the server cannot meet the requirements of the Expect header.
Descrição
The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.
Quando você o vê
During video streaming, large file downloads, or when resuming interrupted downloads.
Como corrigir
No fix needed. This is normal behavior for range requests.
Descrição
The server cannot meet the requirements of the Expect header.
Quando você o vê
When the server doesn't support Expect: 100-continue.
Como corrigir
Remove the Expect header from your request.
Diferenças principais
206 is a 2xx Success response, while 417 is a 4xx Client Error response.
HTTP 206: The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.
HTTP 417: The server cannot meet the requirements of the Expect header.
You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.
You encounter 417 when when the server doesn't support Expect: 100-continue.
Quando usar qual
For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 417 (Expectation Failed): Remove the Expect header from your request.