HTTP

HTTP 102 Processing vs 499 Client Closed Request

HTTP 102 (Processing) is a 1xx Informational response, while 499 (Client Closed 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, 499 means that a non-standard status code used by Nginx when the client closes the connection before the server responds.

Mô tả

The server has received and is processing the request, but no response is available yet. Prevents the client from timing out.

Khi bạn thấy mã này

During long-running WebDAV operations.

Cách khắc phục

Wait for the final response. This is an interim status to prevent timeouts.

Mô tả

A non-standard status code used by Nginx when the client closes the connection before the server responds.

Khi bạn thấy mã này

In Nginx logs when clients timeout or navigate away before receiving the response.

Cách khắc phục

Optimize server response times. Check for slow upstream services.

Sự khác biệt chính

1.

102 is a 1xx Informational response, while 499 is a 4xx Client Error response.

2.

HTTP 102: The server has received and is processing the request, but no response is available yet. Prevents the client from timing out.

3.

HTTP 499: A non-standard status code used by Nginx when the client closes the connection before the server responds.

4.

You encounter 102 when during long-running WebDAV operations.

5.

You encounter 499 when in Nginx logs when clients timeout or navigate away before receiving the response.

Khi nào dùng cái nào

For 102 (Processing): Wait for the final response. This is an interim status to prevent timeouts. For 499 (Client Closed Request): Optimize server response times. Check for slow upstream services.

Tìm hiểu thêm