Display Oracle Database content in JavaFX TableView - database

Question

I want to display content of an Oracle Database in my TableView "FilmTable".
The structure of the Oracle Databade is: a table column named "FILMTITEL" in the table "LUKA1". The are 4 Film names like Fast and Furious, ...
Hope you can help me and i hope i understand your Solutions to solve my Problem.
I made this code and i got this Errors:
javafx.fxml.LoadException:
/D:/Users/muellerl/workspace/Table_DB/bin/application/gui.fxml
at javafx.fxml.FXMLLoader.constructLoadException(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.load(Unknown Source)
at application.Main.start(Main.java:15)
at com.sun.javafx.application.LauncherImpl$8.run(Unknown Source)
at com.sun.javafx.application.PlatformImpl$7.run(Unknown Source)
at com.sun.javafx.application.PlatformImpl$6$1.run(Unknown Source)
at com.sun.javafx.application.PlatformImpl$6$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl$6.run(Unknown Source)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.access$300(Unknown Source)
at com.sun.glass.ui.win.WinApplication$4$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at controller.table_controller.initialize(table_controller.java:39)
... 20 more
If I remove all Table-Code-Contents the error isn't there.
Here is my code i hope you can help me to Display this things.
Main.java
package application;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.stage.Stage;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.layout.BorderPane;
public class Main extends Application {
#Override
public void start(Stage primaryStage) {
try {
Parent root = FXMLLoader.load(getClass().getResource(
"/application/gui.fxml"));
Scene scene = new Scene(root,400,400);
scene.getStylesheets().add(getClass().getResource("application.css").toExternalForm());
primaryStage.setScene(scene);
primaryStage.show();
} catch(Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
launch(args);
}
}
table_controller.java:
package controller;
import java.net.URL;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ResourceBundle;
import oracle.jdbc.*;
import model.filmtable_data;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
public class table_controller implements Initializable {
Connection conn;
String output;
int zaehler = 0;
#FXML
private TableView<filmtable_data> FilmTable;
#FXML
private TableColumn<filmtable_data, String> Filmtitel_col;
#FXML
private TableColumn<filmtable_data, Integer> ID_col;
#Override
public void initialize(URL location, ResourceBundle resources) {
// Observable List
final ObservableList<filmtable_data> data = FXCollections.observableArrayList();
ID_col.setCellValueFactory(new PropertyValueFactory<filmtable_data, Integer>("rID"));
Filmtitel_col.setCellValueFactory(new PropertyValueFactory<filmtable_data, String>("rFilmtitel"));
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
} catch (ClassNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
Connection conn = DriverManager.getConnection("jdbc:oracle:thin:lukas/1234#10.140.79.39:1521:OTTO");
Statement statement = conn.createStatement();
ResultSet resultset = statement.executeQuery("SELECT FILMTITEL FROM LUKA1");
while (resultset.next()) {
output = resultset.getString(1);
zaehler++;
filmtable_data entry = new filmtable_data(zaehler, output);
data.add(entry);
System.out.println (resultset.getString(1));
System.out.println(output);
}
FilmTable.setItems(data);
statement.close();
} catch (SQLException e) {
System.out.println("Login fehlgeschlagen.");
e.printStackTrace();
}
}
}
filmtable_data.java:
package model;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.property.SimpleStringProperty;
public class filmtable_data {
private final SimpleIntegerProperty rID;
private final SimpleStringProperty rFilmtitel;
public filmtable_data (Integer sID, String sFilmtitel) {
this.rID = new SimpleIntegerProperty(sID);
this.rFilmtitel = new SimpleStringProperty(sFilmtitel);
}
public Integer getRID() {
return rID.get();
}
public void setRID(int set) {
rID.set(set);
}
public String getRFilmtitel() {
return rFilmtitel.get();
}
public void setRFilmtitel(String set) {
rFilmtitel.set(set);
}
}