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Spring Boot Tutorial

Auto-configuration, REST APIs, JPA, AOP, caching, microservices and Spring Cloud.

Exception Handling with @ControllerAdvice

@ControllerAdvice centralizes exception handling so you don't repeat try/catch blocks in every controller.

  • @ExceptionHandler(SomeException.class) targets a specific exception type
  • One @ControllerAdvice class can handle exceptions for ALL controllers
  • Combine with a custom ErrorResponse DTO for consistent JSON error shape