我的代码不起作用，因为我认为module-info.java文件中存在问题。 我不知道为JavaFX添加哪些模块以及如何添加。我是Modules的新人。 我总是得到java.lang.reflect.invocationTargetException。 我添加了javafx-library。

    module FXML_richtige_Module {
        requires transitive javafx.controls;
        requires transitive javafx.graphics;
        requires javafx.fxml;
        
        opens application;
        exports application;
    }

    package application;
    
    import javafx.application.Application;
    import javafx.fxml.FXMLLoader;
    import javafx.scene.Parent;
    import javafx.scene.Scene;
    import javafx.stage.Stage;
    
    public class RegistrationFormApplication extends Application {
    
        @Override
        public void start(Stage primaryStage) throws Exception{
            Parent root = FXMLLoader.load(getclass().getResource("registration_form.fxml"));
            primaryStage.setTitle("Registration Form FXML Application");
            primaryStage.setScene(new Scene(root,800,500));
            primaryStage.show();
        }

    public static void main(String[] args) {
        launch(args);
    }
}

    package application;
    
    import javafx.scene.control.Alert;
    import javafx.stage.Window;
    
    public class AlertHelper {
    
        public static void showAlert(Alert.AlertType alertType,Window owner,String title,String message) {
            Alert alert = new Alert(alertType);
            alert.setTitle(title);
            alert.setHeaderText(null);
            alert.setContentText(message);
            alert.initOwner(owner);
            alert.show();
        }
    }
    
    
    package application;
    
    import javafx.event.actionEvent;
    import javafx.fxml.FXML;
    import javafx.scene.control.Alert;
    import javafx.scene.control.Button;
    import javafx.scene.control.PasswordField;
    import javafx.scene.control.TextField;
    import javafx.stage.Window;
    
    public class RegistrationFormController {
        @FXML
        private TextField nameField;
    
        @FXML
        private TextField emailField;
    
        @FXML
        private PasswordField passwordField;
    
        @FXML
        private Button submitButton;
    
        @FXML
        protected void handleSubmitButtonaction(actionEvent event) {
            Window owner = submitButton.getScene().getWindow();
            if(nameField.getText().isEmpty()) {
                AlertHelper.showAlert(Alert.AlertType.ERROR,owner,"Form Error!","Please enter your name");
                return;
            }
            if(emailField.getText().isEmpty()) {
                AlertHelper.showAlert(Alert.AlertType.ERROR,"Please enter your email id");
                return;
            }
            if(passwordField.getText().isEmpty()) {
                AlertHelper.showAlert(Alert.AlertType.ERROR,"Please enter a password");
                return;
            }
    
            AlertHelper.showAlert(Alert.AlertType.CONFIRMATION,"Registration Successful!","Welcome " + nameField.getText());
        }
    }