HTTP

HTTP 424 Failed Dependency vs 499 Client Closed Request

Both HTTP 424 (Failed Dependency) and 499 (Client Closed Request) belong to the 4xx Client Error category. 424 indicates that the request failed because it depended on another request that failed (WebDAV). Meanwhile, 499 means that a non-standard status code used by Nginx when the client closes the connection before the server responds.

Description

The request failed because it depended on another request that failed (WebDAV).

When You See It

In batch WebDAV operations when a prerequisite action fails.

How to Fix

Fix the failed dependency first, then retry the operation.

Description

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

When You See It

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

How to Fix

Optimize server response times. Check for slow upstream services.

Key Differences

1.

HTTP 424: The request failed because it depended on another request that failed (WebDAV).

2.

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

3.

You encounter 424 when in batch WebDAV operations when a prerequisite action fails.

4.

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

When to Use Which

For 424 (Failed Dependency): Fix the failed dependency first, then retry the operation. For 499 (Client Closed Request): Optimize server response times. Check for slow upstream services.

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