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Ever since I started to work on the Apache APISIX project, I've been trying to improve my knowledge and understanding of HTTP APIs. Today, I'd like to introduce the "Problem Details for HTTP APIs" RFC, _aka_, https://www.rfc-editor.org/rfc/rfc7807[RFC 7807^].

Recently, we helped an APISIX user debug a strange coredump error. We would like to share some interesting points, providing guidance for debugging NGINX and APISIX.

Catastrophic Backtracking of regular expressions refers to the fact that the regular ...