ControllerAdvice中未正确报告嵌套异常

@ControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler(Exception.class)
    public ResponseEntity<ErrorResponse> handleException(Exception ex) {
        // 处理异常并构造响应
        ErrorResponse errorResponse = new ErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR.value(), ex.getMessage());
        return new ResponseEntity<>(errorResponse, HttpStatus.INTERNAL_SERVER_ERROR);
    }
}

@ExceptionHandler(Exception.class)
public ResponseEntity<ErrorResponse> handleException(Exception ex) {
    Throwable rootCause = getRootCause(ex);
    // 处理嵌套异常并构造响应
    ErrorResponse errorResponse = new ErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR.value(), rootCause.getMessage());
    return new ResponseEntity<>(errorResponse, HttpStatus.INTERNAL_SERVER_ERROR);
}

private Throwable getRootCause(Throwable ex) {
    Throwable rootCause = ex;
    while (rootCause.getCause() != null) {
        rootCause = rootCause.getCause();
    }
    return rootCause;
}