HTTP 202 Accepted vs 411 Length Required
HTTP 202 (Accepted) is a 2xx Success response, while 411 (Length Required) is a 4xx Client Error response. 202 indicates that the request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon. In contrast, 411 means that the server refuses to accept the request without a Content-Length header.
Description
The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon.
Quand vous le voyez
For async operations like batch jobs, email sending, or background tasks that take time to complete.
Comment résoudre
Poll the provided status URL or wait for a callback/webhook.
Description
The server refuses to accept the request without a Content-Length header.
Quand vous le voyez
When sending a request body without specifying Content-Length.
Comment résoudre
Include a Content-Length header in your request.
Différences clés
202 is a 2xx Success response, while 411 is a 4xx Client Error response.
HTTP 202: The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon.
HTTP 411: The server refuses to accept the request without a Content-Length header.
You encounter 202 when for async operations like batch jobs, email sending, or background tasks that take time to complete.
You encounter 411 when when sending a request body without specifying Content-Length.
Quand utiliser lequel
For 202 (Accepted): Poll the provided status URL or wait for a callback/webhook. For 411 (Length Required): Include a Content-Length header in your request.