Spring Full-Stack Practical Cases

Aug 16, 2024 · Backend Development

Why Spring’s Functional Router Fails with /api Prefix and How to Fix It

This article explains a bug in Spring 6.1.11 where adding a servlet path prefix causes functional routing to throw an UnsupportedOperationException, demonstrates the issue with code and screenshots, and provides work‑arounds and the permanent fix introduced in Spring 6.1.12.