Mastering Two-Tier Exception Handling in Spring Boot: A Complete Guide
· 11 min read
Ever wondered why sometimes your Spring Boot exceptions are caught by @RestControllerAdvice and other times they're not? Or why your custom AccessDeniedHandler returns 403 before your controller even executes? I spent hours debugging this mystery until I understood Spring Boot's two-tier exception handling architecture. Let me save you the confusion. 🎯