Przesłanie strumieniowe wyniku zapytania SQL zapisanego w ObservableList

writing aborted; java.io.NotSerializableException: com.sun.javafx.collections.ObservableListWrapper

private ObservableList<ObservableList> data;
    String SQL = "SELECT * FROM flights";

    private void CodePrintFlights(){

        data = FXCollections.observableArrayList();
        ResultSet rs;
        try {
            rs = con.createStatement().executeQuery(SQL);

            while (rs.next()) {
                //Iterate Row
                ObservableList row = FXCollections.observableArrayList();
                for (int i = 1; i <= rs.getMetaData().getColumnCount(); i++) {
                    //Iterate Column
                    row.add(rs.getString(i));
                }

                data.add(row);

            }

            try {

            ObjectOutputStream obj = new ObjectOutputStream(socket.getOutputStream());
                obj.writeObject(data);


            } catch (IOException e) {
                e.printStackTrace();
            }

        } catch (SQLException ex) {
            System.err.println(ex.getMessage());
        }

ObservableList obj;

public ObservableList ServerDinObject2(){
        try {
            ObjectInputStream dinObj = new ObjectInputStream(s.getInputStream());
            obj = (ObservableList) dinObj.readObject();
        } catch (IOException | ClassNotFoundException e) {
            e.printStackTrace();
        }
        return obj;
    }

LoginController obj = new LoginController();
        obj.ServerDout("PrintFlights");

        data = obj.ServerDinObject2();

        tblData.getItems().add(data);

 while (rs.next()) {
                //Iterate Row
                ObservableList row = FXCollections.observableArrayList();
                for (int i = 1; i <= rs.getMetaData().getColumnCount(); i++) {
                    //Iterate Column
                    row.add(rs.getString(i));
                }

String sql = "SELECT * FROM flights";

        try {
            preparedStatement = con.prepareStatement(sql);
            resultSet = preparedStatement.executeQuery();

            ArrayList arrayList = new ArrayList();

            while (resultSet.next()) {
                arrayList.add(resultSet.getInt(1));
                arrayList.add(resultSet.getString(2));
                arrayList.add(resultSet.getInt(3));
                arrayList.add(resultSet.getString(4));
                arrayList.add(resultSet.getString(5));
                arrayList.add(resultSet.getInt(6));
                arrayList.add(resultSet.getTime(7));
                arrayList.add(resultSet.getDate(8));
                arrayList.add(resultSet.getString(9));
                arrayList.add(resultSet.getString(10));

            }

            Object[] objArray = arrayList.toArray();

            FromServerObject(objArray);

TableColumn t1 = new TableColumn("ID_Lotu");
       TableColumn t2 = new TableColumn("Samolot");
       TableColumn t3 = new TableColumn("Pas");
       TableColumn t4 = new TableColumn("Kierunek");
       TableColumn t5 = new TableColumn("Miasto");
       TableColumn t6 = new TableColumn("Wysokość");
       TableColumn t7 = new TableColumn("Godzina");
       TableColumn t8 = new TableColumn("Data");
       TableColumn t9 = new TableColumn("Czas_lotu");
       TableColumn t10 = new TableColumn("Czas_przylotu");
       tblData.getColumns().addAll(t1,t2,t3,t4,t5,t6,t7,t8,t9,t10);


       LoginController obj = new LoginController();
       obj.ServerDout("PrintFlights");

       Object[] arraylist = (Object[]) obj.ServerDinObject();

       for(int i=0; i < arraylist.length ; i++) {

           tblData.getItems().addAll(arraylist[i]);
           System.out.println(arraylist[i]);
       }

public Object ServerDinObject(){
        try {
            ObjectInputStream dinObj = new ObjectInputStream(s.getInputStream());
            obj2 = dinObj.readObject();
        } catch (IOException | ClassNotFoundException e) {
            e.printStackTrace();
        }
        return obj2;
    }