HTTP 102 Processing vs 422 Unprocessable Content
HTTP 102 (Processing) is a 1xx Informational response, while 422 (Unprocessable Content) is a 4xx Client Error response. 102 indicates that the server has received and is processing the request, but no response is available yet. Prevents the client from timing out. 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.
Description
The server has received and is processing the request, but no response is available yet. Prevents the client from timing out.
Quand vous le voyez
During long-running WebDAV operations.
Comment résoudre
Wait for the final response. This is an interim status to prevent timeouts.
Description
The server understands the content type and syntax, but was unable to process the contained instructions. Common in API validation errors.
Quand vous le voyez
When form validation fails — correct syntax but invalid data (e.g., email format wrong, date in the past).
Comment résoudre
Check the response body for specific validation errors and correct the input data.
Différences clés
102 is a 1xx Informational response, while 422 is a 4xx Client Error response.
HTTP 102: The server has received and is processing the request, but no response is available yet. Prevents the client from timing out.
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 102 when during long-running WebDAV operations.
You encounter 422 when when form validation fails — correct syntax but invalid data (e.g., email format wrong, date in the past).
Quand utiliser lequel
For 102 (Processing): Wait for the final response. This is an interim status to prevent timeouts. For 422 (Unprocessable Content): Check the response body for specific validation errors and correct the input data.