HTTP 206 Partial Content vs 422 Unprocessable Content
HTTP 206 (Partial Content) is a 2xx Success response, while 422 (Unprocessable Content) 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, 422 means that the server understands the content type and syntax, but was unable to process the contained instructions. Common in API validation errors.
描述
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.
何时出现
During video streaming, large file downloads, or when resuming interrupted downloads.
如何修复
No fix needed. This is normal behavior for range requests.
描述
The server understands the content type and syntax, but was unable to process the contained instructions. Common in API validation errors.
何时出现
When form validation fails — correct syntax but invalid data (e.g., email format wrong, date in the past).
如何修复
Check the response body for specific validation errors and correct the input data.
主要区别
206 is a 2xx Success response, while 422 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 422: The server understands the content type and syntax, but was unable to process the contained instructions. Common in API validation errors.
You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.
You encounter 422 when when form validation fails — correct syntax but invalid data (e.g., email format wrong, date in the past).
何时使用哪个
For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 422 (Unprocessable Content): Check the response body for specific validation errors and correct the input data.