无控制器类的springboot异常处理

import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;

@ControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler(value = { IllegalArgumentException.class, IllegalStateException.class })
    public ResponseEntity<String> handleSpecificExceptions(Exception ex) {
        return new ResponseEntity<>("A specific error occurred: " + ex.getMessage(), HttpStatus.BAD_REQUEST);
    }

    @ExceptionHandler(Exception.class)
    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
    public ResponseEntity<String> handleGenericExceptions(Exception ex) {
        return new ResponseEntity<>("An unexpected error occurred: " + ex.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
    }
}