Snippet

Global Exception Handling with @ControllerAdvice

Using @ControllerAdvice allows you to handle exceptions across the entire application in one central place. This separates error logic from business logic.

snippet.java

java

@ControllerAdvice
public class GlobalExceptionHandler {
 
    @ExceptionHandler(UserNotFoundException.class)
    public ResponseEntity<ErrorResponse> handleNotFound(UserNotFoundException ex) {
        ErrorResponse error = new ErrorResponse("NOT_FOUND", ex.getMessage());
        return new ResponseEntity<>(error, HttpStatus.NOT_FOUND);
    }
}

spring

Breakdown

@ControllerAdvice

Specialized @Component that allows handling exceptions across multiple @Controller classes.

@ExceptionHandler(UserNotFoundException.class)

Defines which specific exception type this method should catch and handle.

Previous snippet Next snippet

More Intermediate Java exercises →

Global Exception Handling with @ControllerAdvice

Related