Senior Xiao Ying

Apr 2, 2026 · Backend Development

Dynamic Spring Boot Controllers Without Restart: Register Endpoints at Runtime

This article explains why static controller definitions limit flexibility, then dives into Spring MVC’s RequestMappingHandlerMapping internals, showing how its public registerMapping method can be used to add or remove controller endpoints at runtime, with two concrete implementations—bean‑method registration and full ByteBuddy‑generated controllers—plus best‑practice notes.