HTTP 102 Processing vs 421 Misdirected Request
HTTP 102 (Processing) is a 1xx Informational response, while 421 (Misdirected Request) 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, 421 means that the request was directed at a server that is unable to produce a response for the combination of scheme and authority in the URI.
Descrição
The server has received and is processing the request, but no response is available yet. Prevents the client from timing out.
Quando você o vê
During long-running WebDAV operations.
Como corrigir
Wait for the final response. This is an interim status to prevent timeouts.
Descrição
The request was directed at a server that is unable to produce a response for the combination of scheme and authority in the URI.
Quando você o vê
With HTTP/2 when a connection is reused for a domain the certificate doesn't cover.
Como corrigir
Retry the request on a new connection.
Diferenças principais
102 is a 1xx Informational response, while 421 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 421: The request was directed at a server that is unable to produce a response for the combination of scheme and authority in the URI.
You encounter 102 when during long-running WebDAV operations.
You encounter 421 when with HTTP/2 when a connection is reused for a domain the certificate doesn't cover.
Quando usar qual
For 102 (Processing): Wait for the final response. This is an interim status to prevent timeouts. For 421 (Misdirected Request): Retry the request on a new connection.