Javafx not able to load through FXMLoader

Javafx not able to load through FXMLoader - javafx

So i was working on an little javafx programm and restructured some of my directories and now i am stuck with an problem i cant seem to be able to wrap my head around. When executing my programm i get this error:
javafx.fxml.LoadException:
/C:/Users/<User>/IdeaProjects/MusicBiblio/out/production/MusicBiblio/resources/SceneFxml/LibraryView.fxml:9
at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2601)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2579)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:2409)
at main.Scenes.LibraryScene.LibraryScene.build(LibraryScene.java:50)
at main.Scenes.SceneFactory.BuildScene(SceneFactory.java:27)
at main.Scenes.DefaultScenes.StartUpScene.lambda$build$0(StartUpScene.java:23)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Node.fireEvent(Node.java:8413)
at javafx.scene.control.Button.fire(Button.java:185)
at com.sun.javafx.scene.control.behavior.ButtonBehavior.mouseReleased(ButtonBehavior.java:182)
at com.sun.javafx.scene.control.skin.BehaviorSkinBase$1.handle(BehaviorSkinBase.java:96)
at com.sun.javafx.scene.control.skin.BehaviorSkinBase$1.handle(BehaviorSkinBase.java:89)
at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3757)
at javafx.scene.Scene$MouseHandler.access$1500(Scene.java:3485)
at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1762)
at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2494)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:380)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:294)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$354(GlassViewEventHandler.java:416)
at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:415)
at com.sun.glass.ui.View.handleMouseEvent(View.java:555)
at com.sun.glass.ui.View.notifyMouse(View.java:937)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at main.Scenes.LibraryScene.LibrarySceneController.<init>(LibrarySceneController.java:19)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.Class.newInstance(Class.java:442)
at sun.reflect.misc.ReflectUtil.newInstance(ReflectUtil.java:51)
at javafx.fxml.FXMLLoader$ValueElement.processAttribute(FXMLLoader.java:927)
at javafx.fxml.FXMLLoader$InstanceDeclarationElement.processAttribute(FXMLLoader.java:971)
at javafx.fxml.FXMLLoader$Element.processStartElement(FXMLLoader.java:220)
at javafx.fxml.FXMLLoader$ValueElement.processStartElement(FXMLLoader.java:744)
at javafx.fxml.FXMLLoader.processStartElement(FXMLLoader.java:2707)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2527)
... 52 more
Exception in thread "JavaFX Application Thread" java.lang.NullPointerException: Root cannot be null
at javafx.scene.Scene.<init>(Scene.java:336)
at javafx.scene.Scene.<init>(Scene.java:194)
at main.Scenes.LibraryScene.LibraryScene.build(LibraryScene.java:65)
at main.Scenes.SceneFactory.BuildScene(SceneFactory.java:27)
at...
When looking into it I found that the fxml file that is causing it only gives an error inside the build folder. Looks like this:
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.geometry.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.effect.*?>
<?import javafx.scene.image.Image?>
<?import javafx.scene.image.ImageView?>
<?import javafx.scene.layout.*?>
<BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="471.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="main.Scenes.LibraryScene.LibrarySceneController">
< some javafx definitions...>
I am not quite sure what exaclty the xmlns="path" part of the borderpane does but it cant seem to find the URI of it when its in the build directory.
Any ideas of potential causes ? I am happy to provide more information on the project structure if that would help.

Related

How to implement JavaFX 2.2 example in Java FX 11

I am trying to implement this example in Java FX 11 with eclipse.
I have 4 files, FXMLTableView.java hast the start and main method, FXMLTableViewController.java(which is just empty with class declaration only, fxml_tableview.fxml has the fxml code.
Person.java has the Person class as shown in the above link.
I am getting error which when I remove this code (I am using only one line for testing) from fxml the program runs but ofcourse there is no data in the column:
<Person firstName="Jacob" lastName="Smith"email="jacob.smith#example.com"/>
Any suggestions how to solve this problem?
Below is the error code:
Exception in Application start method
java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:464)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:363)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at java.base/sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:1051)
Caused by: java.lang.RuntimeException: Exception in Application start method
at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:900)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplication$2(LauncherImpl.java:195)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: javafx.fxml.LoadException:
/C:/Users/Air/eclipse-workspace/FXMLTableView/bin/table/view/fxml_tableview.fxml:41
at javafx.fxml/javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2625)
at javafx.fxml/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2568)
at javafx.fxml/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2466)
at javafx.fxml/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3237)
at javafx.fxml/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3194)
at javafx.fxml/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3163)
at javafx.fxml/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3136)
at javafx.fxml/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3113)
at javafx.fxml/javafx.fxml.FXMLLoader.load(FXMLLoader.java:3106)
at table.view.FXMLTableView.start(FXMLTableView.java:13)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$9(LauncherImpl.java:846)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runAndWait$12(PlatformImpl.java:455)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:428)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:427)
at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
at javafx.graphics/com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at javafx.graphics/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:174)
... 1 more
Caused by: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[41,53]
Message: Element type "Person" must be followed by either attribute specifications, ">" or "/>".
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next(XMLStreamReaderImpl.java:652)
at java.xml/javax.xml.stream.util.StreamReaderDelegate.next(StreamReaderDelegate.java:84)
at javafx.fxml/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2538)
... 17 more
Exception running application table.view.FXMLTableView
Code in FXML file:
<?import javafx.scene.layout.GridPane?>
<?import javafx.geometry.Insets?>
<?import javafx.scene.layout.ColumnConstraints?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.text.Font?>
<?import javafx.scene.control.TableView?>
<?import javafx.scene.control.TableColumn?>
<?import javafx.scene.control.cell.*?>
<?import javafx.scene.control.*?>
<?import javafx.collections.*?>
<?import javafx.fxmltableview.*?>
<?import javafx.beans.property.SimpleStringProperty?>
<GridPane alignment="CENTER" hgap="10.0" vgap="10.0" xmlns:fx="http://javafx.com/fxml">
<padding>
<Insets bottom="10.0" left="10.0" right="10.0" top="10.0"/>
</padding>
<Label style="-fx-font: NORMAL 20 Tahoma;" text="Address Book"
GridPane.columnIndex="0" GridPane.rowIndex="0">
</Label>
<TableView GridPane.columnIndex="0" GridPane.rowIndex="1">
<columns>
<TableColumn text="First Name">
<cellValueFactory><PropertyValueFactory property="firstName" />
</cellValueFactory>
</TableColumn>
<TableColumn text="Last Name">
<cellValueFactory><PropertyValueFactory property="lastName" />
</cellValueFactory>
</TableColumn>
<TableColumn text="Email Address">
<cellValueFactory><PropertyValueFactory property="email" />
</cellValueFactory>
</TableColumn>
</columns>
<items>
<FXCollections fx:factory="observableArrayList">
<Person firstName="Jacob" lastName="Smith"email="jacob.smith#example.com"/>
</FXCollections>
</items>
</TableView>
</GridPane>

Exception in Application start method java with fxml

So i made pretty simple application with Fxml with only label and text field, and two buttons but i get this error..
Exception in Application start method
And here is code
<?xml version="1.0" encoding="UTF-8*?>
<?import javafx.scene.layout.GridPane?>
<?import javafx.geometry.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.text.*?>
<?import java.lang.*?>
<?import javafx.scene.layout.*?>
<GridPane alignment="CENTER" hgap="5.0" vgap="5.0">
<children>
<Text text="Dodavanje Kupca" GridPane.columnIndex="0" GridPane.rowIndex="0" GridPane.columnSpan="2">
<font>
<Font size= "30.0"/>
</font>
</Text>
<Label text="Ime Kupca" GridPane.columnIndex="0" GridPane.rowIndex="2"/>
<Label text="Prezime Kupca" GridPane.columnIndex="0" GridPane.rowIndex="3"/>
<Label text="Adresa Kupca" GridPane.columnIndex="0" GridPane.rowIndex="4"/>
<Label text="Email Kupca" GridPane.columnIndex="0" GridPane.rowIndex="5"/>
<Label text="Telefon Kupca" GridPane.columnIndex="0" GridPane.rowIndex="6"/>
<TextField GridPane.columnIndex="1" GridPane.rowIndex="2"/>
<TextField GridPane.columnIndex="1" GridPane.rowIndex="3"/>
<TextField GridPane.columnIndex="1" GridPane.rowIndex="4"/>
<TextField GridPane.columnIndex="1" GridPane.rowIndex="5"/>
<TextField GridPane.columnIndex="1" GridPane.rowIndex="6"/>
<HBox alignment="TOP_RIGHT" GridPane.columnIndex="1" GridPane.rowIndex="7">
<children>
<Button mnemonicParsing="true" text="Save"/>
<Button mnemonicParsing="true" text="Clear"/>
</children>
</HBox>
</children>
<padding>
<Insets bottom="16.0" left="15.0" right="15.0" top="15.0"/>
</padding>
</GridPane>
And here is the main class:
package main;
import java.net.URL;
import javafx.application.Application;
import static javafx.application.Application.launch;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;
public class test extends Application {
public static void main(String[] args) {
launch(args);
}
#Override
public void start(Stage stage) throws Exception {
URL fxmlUrl= getClass().getClassLoader().getResource("view.fxml");
GridPane root= FXMLLoader.<GridPane>load(fxmlUrl);
Scene scena = new Scene(root);
stage.setScene(scena);
stage.show();
}
}
Sorry.
Here is another edit for stack trace.
Stack trace is little too big so again ill type some non sense here
Exception in Application start method
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:389)
at com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:328)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:767)
Caused by: java.lang.RuntimeException: Exception in Application start method
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:917)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$154(LauncherImpl.java:182)
at java.lang.Thread.run(Thread.java:748)
Caused by: javafx.fxml.LoadException:
at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2601)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2504)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3214)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097)
at main.test.start(test.java:20)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$161(LauncherImpl.java:863)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$174(PlatformImpl.java:326)
at com.sun.javafx.application.PlatformImpl.lambda$null$172(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$173(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177)
... 1 more
Caused by: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[10,22]
Message: A pseudo attribute name is expected.
at com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.setInputSource(XMLStreamReaderImpl.java:214)
at com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.<init>(XMLStreamReaderImpl.java:184)
at com.sun.xml.internal.stream.XMLInputFactoryImpl.getXMLStreamReaderImpl(XMLInputFactoryImpl.java:262)
at com.sun.xml.internal.stream.XMLInputFactoryImpl.createXMLStreamReader(XMLInputFactoryImpl.java:134)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2478)
... 17 more
Exception running application main.test
C:\Users\Djordje Zlatic\AppData\Local\NetBeans\Cache\8.2\executor-snippets\run.xml:53: Java returned: 1
BUILD FAILED (total time: 1 second)

onAction="#ClickedClickMe" not working in JavaFX FXML

Good Morning! I have just started ramping up on Java FX and Java FX FXML. I'm using Scene Builder to build the GUI and Netbeans to code the remaining Java FX program.
The issue I'm facing is in FXML File. The Netbeans editor shows an error on the following code in .fxml file for onAction Event.
Error that I see in fxml file:
Controller is NOT defined on root component.
Exception Text:
Executing sample1.jar using platform C:\Program
Files\Java\jdk1.8.0_121\jre/bin/java Exception in Application start
method java.lang.reflect.InvocationTargetException at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498) at
com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:389)
at
com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:328)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498) at
sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:767)
Caused by: java.lang.RuntimeException: Exception in Application start
method at
com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:917)
at
com.sun.javafx.application.LauncherImpl.lambda$launchApplication$155(LauncherImpl.java:182)
at java.lang.Thread.run(Thread.java:745) Caused by:
javafx.fxml.LoadException: No controller specified.
file:/C:/Users/hmitty/Documents/NetBeansProjects/sample1/dist/run1317822864/sample1.jar!/sample1/FXMLDocument.fxml:21
at
javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2597)
at javafx.fxml.FXMLLoader.access$100(FXMLLoader.java:103) at
javafx.fxml.FXMLLoader$Element.getControllerMethodHandle(FXMLLoader.java:557)
at
javafx.fxml.FXMLLoader$Element.processEventHandlerAttributes(FXMLLoader.java:599)
at
javafx.fxml.FXMLLoader$ValueElement.processEndElement(FXMLLoader.java:770)
at javafx.fxml.FXMLLoader.processEndElement(FXMLLoader.java:2823) at
javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2532) at
javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441) at
javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3214) at
javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175) at
javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148) at
javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124) at
javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104) at
javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097) at
sample1.Sample1.start(Sample1.java:22) at
com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$162(LauncherImpl.java:863)
at
com.sun.javafx.application.PlatformImpl.lambda$runAndWait$175(PlatformImpl.java:326)
at
com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method) at
com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
at
com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method) at
com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)
... 1 more Exception running application sample1.Sample1 Picked up
_JAVA_OPTIONS: -Djava.net.preferIPv4Stack=true Java Result: 1
If I create a sample project using Netbeans, it uses AnchorPane and everything seems to be fine. However if I remove AnchorPane and add any other pane and the Button, the onAction Event doesn't work!
I'm a beginner in this language, hence any help/guidance is highly appreciated!
Note: I did my homework for close to half a day in browsing all available solutions as far as I can on StackOverFlow.
The closest I got is this, so any help will definitely move things for me!
https://bugs.openjdk.java.net/browse/JDK-8091582
All the code is pasted below. Let me know if anything else is required!
FXML Code:
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.layout.ColumnConstraints?>
<?import javafx.scene.layout.GridPane?>
<?import javafx.scene.layout.RowConstraints?>
<?import javafx.event.ActionEvent?>
<GridPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/8.0.111">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
<ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
</columnConstraints>
<rowConstraints>
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
</rowConstraints>
<children>
<Button mnemonicParsing="false" onAction="#ClickedClickMe" text="Click Me!" GridPane.columnIndex="1" GridPane.rowIndex="1" />
<Label fx:id="label" GridPane.columnIndex="1" GridPane.rowIndex="2" />
</children>
</GridPane>
Sample1.java
package sample1;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
public class Sample1 extends Application {
#Override
public void start(Stage stage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource("FXMLDocument.fxml"));
Scene scene = new Scene(root);
stage.setScene(scene);
stage.show();
}
/**
* #param args the command line arguments
*/
public static void main(String[] args) {
launch(args);
}
}
FXMLDocumentController.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package sample1;
import java.net.URL;
import java.util.ResourceBundle;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Label;
public class FXMLDocumentController implements Initializable {
#FXML
private Label label;
#FXML
private void ClickedClickMe(ActionEvent event) {
System.out.println("You clicked me!");
label.setText("Clicked Try me!!");
}
#Override
public void initialize(URL url, ResourceBundle rb) {
// TODO
}
}

Set controller in fxml file
<GridPane fx:controller="sample1.FXMLDocumentController" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/8.0.111">

JavaFX: How to change scene (FXML) from MenuItem

At 76, I am trying to learn Java and have produced a number of accounting related tutorials that successfully change scenes. Now looking at a structure using menubar and menu items to cope with linking 14 chapters as one of the items on the menubar.
All examples I have seen/watched show a simple println for each MenuItem. I have this working OK, but when I try to copy my FXMLLoader from my previous applications it doesn't like it.
I get this cannot find symbol: symbol: method getScene() location: variable mbarchapter1 of type MenuItem
My code is:
package accountingsnapshots;
import java.io.IOException;
import java.net.URL;
import java.util.ResourceBundle;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.fxml.Initializable;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.MenuItem;
import javafx.stage.Stage;
public class AccountingSnapshotsController implements Initializable {
#FXML
private MenuItem mbarhome;
#FXML
private MenuItem mbarchapter1;
#FXML
private MenuItem mbarchapter2;
#FXML
private MenuItem mbarchapter3;
#FXML
private MenuItem mbarchapter4;
#FXML
private MenuItem mbarcalculator;
#FXML
private MenuItem mbarglossary;
#FXML
private MenuItem mbarhelp;
Stage stage;
#FXML Parent root;
#FXML
private void handleButtonAction(ActionEvent e) throws IOException {
if(e.getSource()==mbarhome){
System.out.println("this is Home");
}
else if(e.getSource()==mbarchapter1){
System.out.println("this is chap 1");
//get reference to the button's stage
stage = (Stage) root.getScene().getWindow();
//load up OTHER FXML document
root = FXMLLoader.load(getClass().getResource("AccountingSnapshots_1.fxml"));
//create a new scene with root and set the stage
Scene scene = new Scene(root);
stage.setScene(scene);
stage.show();
}
else if(e.getSource()==mbarchapter2){
System.out.println("this is chap 2");
}
else if(e.getSource()==mbarchapter3){
System.out.println("this is chap 3");
}
else if(e.getSource()==mbarchapter4){
System.out.println("this is chap 4");
}
else if(e.getSource()==mbarcalculator){
System.out.println("this is Calculator");
}
else if(e.getSource()==mbarglossary){
System.out.println("this is Glossary");
}
else if(e.getSource()==mbarhelp){
System.out.println("this is Help");
}
}
#Override
public void initialize(URL url, ResourceBundle rb) {
// TODO
}
}
My FXML file has fx:ids against the menuItems. Shown below:
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.text.*?>
<?import java.lang.*?>
<?import java.util.*?>
<?import javafx.scene.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<AnchorPane id="AnchorPane" prefHeight="600.0" prefWidth="800.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="accountingsnapshots.AccountingSnapshotsController">
<children>
<MenuBar layoutY="-1.0" prefHeight="30.0" prefWidth="858.0">
<menus>
<Menu fx:id="mbarhome" mnemonicParsing="false" onAction="#handleButtonAction" text="Home">
<items>
<MenuItem mnemonicParsing="false" text="Home" />
</items>
</Menu>
<Menu mnemonicParsing="false" text="Chapters">
<items>
<MenuItem fx:id="mbarchapter1" mnemonicParsing="false" onAction="#handleButtonAction" text="Ch.1 - Introduction to final accounts" />
<MenuItem fx:id="mbarchapter2" mnemonicParsing="false" onAction="#handleButtonAction" text="Ch.2 - Double entry bookkeeping" />
<MenuItem fx:id="mbarchapter3" mnemonicParsing="false" onAction="#handleButtonAction" text="Ch.3 - Accounting adjustments" />
<MenuItem fx:id="mbarchapter4" mnemonicParsing="false" onAction="#handleButtonAction" text="Ch.4 - Introduction to final accounts" />
</items>
</Menu>
<Menu fx:id="mbarcalculator" mnemonicParsing="false" onAction="#handleButtonAction" text="Calculator">
<items>
<MenuItem mnemonicParsing="false" text="Calculator" />
</items>
</Menu>
<Menu fx:id="mbarglossary" mnemonicParsing="false" onAction="#handleButtonAction" text="Glossary">
<items>
<MenuItem mnemonicParsing="false" text="Glossary" />
</items>
</Menu>
<Menu fx:id="mbarhelp" mnemonicParsing="false" onAction="#handleButtonAction" text="Help">
<items>
<MenuItem mnemonicParsing="false" text="Help" />
</items>
</Menu>
</menus>
</MenuBar>
</children>
</AnchorPane>
This is the output when running the application:
Created dir: C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\build\empty
Created dir: C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\build\generated-sources\ap-source-output
Compiling 2 source files to C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\build\classes
Copying 5 files to C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\build\classes
compile:
Created dir: C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\dist
Detected JavaFX Ant API version 1.3
Launching <fx:jar> task from C:\Program Files\Java\jdk1.8.0_31\jre\..\lib\ant-javafx.jar
Warning: From JDK7u25 the Codebase manifest attribute should be used to restrict JAR repurposing.
Please set manifest.custom.codebase property to override the current default non-secure value '*'.
Launching <fx:deploy> task from C:\Program Files\Java\jdk1.8.0_31\jre\..\lib\ant-javafx.jar
jfx-deployment-script:
jfx-deployment:
jar:
Copying 12 files to C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\dist\run53408212
jfx-project-run:
Executing C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\dist\run53408212\AccountingSnapshots.jar using platform C:\Program Files\Java\jdk1.8.0_31\jre/bin/java
this is chap 1
Exception in thread "JavaFX Application Thread" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1762)
at javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(FXMLLoader.java:1645)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.control.MenuItem.fire(MenuItem.java:462)
at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1364)
at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.lambda$createChildren$324(ContextMenuContent.java:1317)
at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer$$Lambda$147/1926554713.handle(Unknown Source)
at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3724)
at javafx.scene.Scene$MouseHandler.access$1500(Scene.java:3452)
at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1728)
at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2461)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:348)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:273)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:382)
at com.sun.glass.ui.View.handleMouseEvent(View.java:553)
at com.sun.glass.ui.View.notifyMouse(View.java:925)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$141(WinApplication.java:102)
at com.sun.glass.ui.win.WinApplication$$Lambda$37/96639997.run(Unknown Source)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:71)
at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:275)
at javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1757)
... 43 more
Caused by: javafx.fxml.LoadException:
file:/C:/Users/john/Documents/NetBeansProjects/AccountingSnapshots/dist/run53408212/AccountingSnapshots.jar!/accountingsnapshots/AccountingSnapshots_1.fxml:16
at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2595)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2573)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2435)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3208)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3169)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3142)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3118)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3098)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3091)
at accountingsnapshots.AccountingSnapshotsController.handleButtonAction(AccountingSnapshotsController.java:53)
... 53 more
Caused by: java.lang.IllegalArgumentException: Unable to coerce MenuButton#35398aab[styleClass=menu-button]'Home' to class javafx.scene.control.MenuItem.
at com.sun.javafx.fxml.BeanAdapter.coerce(BeanAdapter.java:495)
at javafx.fxml.FXMLLoader$PropertyElement.add(FXMLLoader.java:1387)
at javafx.fxml.FXMLLoader$ValueElement.processEndElement(FXMLLoader.java:784)
at javafx.fxml.FXMLLoader.processEndElement(FXMLLoader.java:2817)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2526)
... 61 more
Corrected the second .fxml file, changing MenuButton to MenuItem. This is the result in the output section:
ant -f C:\\Users\\john\\Documents\\NetBeansProjects\\AccountingSnapshots jfxsa-run
init:
Deleting: C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\build\built-jar.properties
deps-jar:
Updating property file: C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\build\built-jar.properties
compile:
Detected JavaFX Ant API version 1.3
jfx-deployment:
jar:
Copying 12 files to C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\dist\run581163156
jfx-project-run:
Executing C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\dist\run581163156\AccountingSnapshots.jar using platform C:\Program Files\Java\jdk1.8.0_31\jre/bin/java
this is chap 1
Deleting directory C:\Users\john\Documents\NetBeansProjects\AccountingSnapshots\dist\run581163156
jfxsa-run:
BUILD SUCCESSFUL (total time: 19 seconds)
Any help appreciated

MenuItem is not a subclass of Node, so it doesn't inherit a getScene() method.
The simplest solution is just to call getScene() on any scene graph node which you know to be in the same scene as the menubar containing your menu item.
stage = (Stage) someNode.getScene().getWindow();
where someNode is any Node that you have injected into your controller with #FXML.
As you currently only have MenuItems injected into your controller, you need to inject some node for this purpose. The most natural one would be the root of the FXML. To do this, add a fx:id="root" attribute to your FXML's root element, and then just change the declaration of the root field in the controller so that it is injected:
#FXML
private Parent root ;
Then
stage = (Stage) root.getScene().getWindow();
should give you the current Stage, as needed.

This is an old thread, but the answer given was spot on
Here's a bit of code for anyone that's facing the same issues
Normally, I would just pass in a node to the stage object, but as has already been stated - a menu/menuItem cannot be converted to a node. Using the fx:id of the outermost node solves the problem. reportAnchorpane is the name of the (root) node for this respective FXML
public void gotoReports(ActionEvent e) throws IOException {
FXMLLoader loader = new FXMLLoader();
loader.setLocation(getClass().getResource("/Reports/Reports.fxml"));
Parent ReportManager = loader.load();
Scene ReportManagerScene = new Scene(ReportManager);
Stage window = (Stage)reportAnchorPane.getScene().getWindow();
window.setScene(ReportManagerScene);
window.show();
}
On the FXML
<AnchorPane fx:id="reportAnchorPane" prefHeight="500.0" prefWidth="800.0" styleClass="mainFxmlClass" fx:controller="Reports.ReportsController">
<stylesheets>
<URL value="#reports.css" />
</stylesheets>
<children>
<HBox fx:id="Menu" prefHeight="25.0" prefWidth="925.0">
<children>
<MenuBar fx:id="MenuBar" prefHeight="25.0" prefWidth="925.0">
<menus>
<Menu mnemonicParsing="false" text="Window" >
<items>
<MenuItem fx:id="miGotoReportsPage" mnemonicParsing="false" text="Reports" onAction="#gotoReports"/>
</items>
</Menu>
</menus>
</MenuBar>
</children>
</HBox>
</children>
</AnchorPane>

JavaFX include throws exception

I edit the main FXML data with following: fx:id="spieler_tree" fx:id="karten_tree" fx:id="voelker_tree"
but without editing this, it throws the same exception. So i got any mistake into the fxml. I created it with scene Builder, i have not much exp. with FXML.
Is there any huge mistake in there?
Exception
javafx.fxml.LoadException:
/C:/Users/Hades-User/Desktop/Projekte/MatchMaker%203.0/bin/matchMakerView/MatchMaker_TreeView2.fxml:7
/C:/Users/Hades-User/Desktop/Projekte/MatchMaker%203.0/bin/matchMakerView/MatchMaker_MainView.fxml:20
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.access$2600(Unknown Source)
at javafx.fxml.FXMLLoader$IncludeElement.constructValue(Unknown Source)
at javafx.fxml.FXMLLoader$ValueElement.processStartElement(Unknown Source)
at javafx.fxml.FXMLLoader.processStartElement(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
at javafx.fxml.FXMLLoader.load(Unknown Source)
at matchMakerMain.MatchMaker_Main.start(MatchMaker_Main.java:26)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$153(Unknown Source)
at com.sun.javafx.application.LauncherImpl$$Lambda$51/1036649994.run(Unknown Source)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$166(Unknown Source)
at com.sun.javafx.application.PlatformImpl$$Lambda$45/1051754451.run(Unknown Source)
at com.sun.javafx.application.PlatformImpl.lambda$null$164(Unknown Source)
at com.sun.javafx.application.PlatformImpl$$Lambda$47/1866685451.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$165(Unknown Source)
at com.sun.javafx.application.PlatformImpl$$Lambda$46/1775282465.run(Unknown Source)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$141(Unknown Source)
at com.sun.glass.ui.win.WinApplication$$Lambda$37/1109371569.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at matchMakerController.TreeView_Controller.<init>(TreeView_Controller.java:62)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at sun.reflect.misc.ReflectUtil.newInstance(Unknown Source)
at javafx.fxml.FXMLLoader$ValueElement.processAttribute(Unknown Source)
at javafx.fxml.FXMLLoader$InstanceDeclarationElement.processAttribute(Unknown Source)
at javafx.fxml.FXMLLoader$Element.processStartElement(Unknown Source)
at javafx.fxml.FXMLLoader$ValueElement.processStartElement(Unknown Source)
at javafx.fxml.FXMLLoader.processStartElement(Unknown Source)
... 29 more
FXML
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.paint.*?>
<?import java.lang.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.effect.*?>
<?import javafx.scene.layout.*?>
<?import javafx.scene.text.*?>
<AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="600.0" prefWidth="800.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="matchMakerController.Main_Controller">
<children>
<SplitPane dividerPositions="0.19548872180451127" layoutX="152.0" layoutY="59.0" prefHeight="400.0" prefWidth="600.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
<items>
<AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="538.0" prefWidth="202.0">
<children>
<Accordion layoutY="14.0" prefHeight="500.0" prefWidth="200.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
<panes>
<TitledPane animated="false" text="Spieler">
<content>
<fx:include fx:id="spieler_tree" source="MatchMaker_TreeView2.fxml" />
</content>
</TitledPane>
<TitledPane animated="false" text="Karten">
<content>
<fx:include fx:id="karten_tree" source="MatchMaker_TreeView3.fxml" />
</content>
</TitledPane>
<TitledPane animated="false" layoutX="10.0" layoutY="10.0" text="Völker">
<content>
<fx:include fx:id="voelker_tree" source="MatchMaker_TreeView4.fxml" />
</content>
</TitledPane>
<TitledPane animated="false" prefHeight="223.0" prefWidth="0.0" text="Einstellungen" />
</panes>
</Accordion>
</children>
</AnchorPane>
<AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="160.0" prefWidth="100.0">
<children>
<TabPane layoutX="20.0" prefHeight="598.0" prefWidth="687.0" tabClosingPolicy="UNAVAILABLE" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
<tabs>
<Tab text="Match " />
<Tab text="Elo ">
<content>
<AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="180.0" prefWidth="200.0" />
</content>
</Tab>
</tabs>
</TabPane>
</children>
</AnchorPane>
</items>
</SplitPane>
</children>
</AnchorPane>
FXML
<?xml version="1.0" encoding="UTF-8"?>
<?import java.lang.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="180.0" prefWidth="200.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="matchMakerController.TreeView_Controller">
<children>
<TreeView fx:id="spieler_tree" layoutX="2.0" prefHeight="497.0" prefWidth="203.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" />
</children>
</AnchorPane>
public class TreeView_Controller {
private Main_Controller mainController;
#FXML private TreeView<Object> spieler_tree;
#FXML private TreeView<Object> karten_tree;
#FXML private TreeView<Object> voelker_tree;
private static CheckBoxTreeItem<Object> spieler_Root_aktiv, spieler_Root_Inaktiv, spieler_MainRoot;
private static CheckBoxTreeItem<Object> karten_Root_Landkarte, karten_Root_Wasserkarte,karten_Root_Funkarten, karten_MainRoot;
private static CheckBoxTreeItem<Object> voelker_Root_NonPaladin, voelker_Root_Paladin, voelker_MainRoot;
public TreeView_Controller(){
//Root für die Spieler in der Treeview
spieler_MainRoot = new CheckBoxTreeItem<Object>("Spieler");
spieler_Root_aktiv = new CheckBoxTreeItem<Object>("Spieler(aktiv)");
spieler_Root_Inaktiv = new CheckBoxTreeItem<Object>("Spieler(inaktiv)");
//Root für die Karten in der Treeview
karten_MainRoot = new CheckBoxTreeItem<Object>("Karten");
karten_Root_Landkarte = new CheckBoxTreeItem<Object>("Landkarten");
karten_Root_Wasserkarte = new CheckBoxTreeItem<Object>("Wasserkarten");
karten_Root_Funkarten = new CheckBoxTreeItem<Object>("Fun-Maps");
//Root für die Karten in der Treeview
voelker_MainRoot = new CheckBoxTreeItem<Object>("Völker");
voelker_Root_Paladin = new CheckBoxTreeItem<Object>("Paladin");
voelker_Root_NonPaladin = new CheckBoxTreeItem<Object>("NonPaladin");
//Damit die Roots ausgeklappt angezeigt werden
spieler_MainRoot.setExpanded(true);
spieler_Root_aktiv.setExpanded(true);
karten_MainRoot.setExpanded(true);
voelker_MainRoot.setExpanded(true);
//Damit die gängisten Einträge direkt angeklickt sind
karten_Root_Landkarte.setSelected(true);
karten_Root_Wasserkarte.setSelected(true);
voelker_Root_Paladin.setSelected(true);
voelker_Root_NonPaladin.setSelected(true);
spieler_MainRoot.getChildren().addAll(spieler_Root_aktiv,spieler_Root_Inaktiv);
karten_MainRoot.getChildren().addAll(karten_Root_Landkarte,karten_Root_Wasserkarte,karten_Root_Funkarten);
voelker_MainRoot.getChildren().addAll(voelker_Root_Paladin,voelker_Root_NonPaladin);
//TreeCell sind für die Checkboxes im Treeview
spieler_tree.setCellFactory(CheckBoxTreeCell.forTreeView());
karten_tree.setCellFactory(CheckBoxTreeCell.forTreeView());
voelker_tree.setCellFactory(CheckBoxTreeCell.forTreeView());
fillPlayer();
fillMap();
fillNation();
spieler_tree.setRoot(spieler_MainRoot);
karten_tree.setRoot(karten_MainRoot);
voelker_tree.setRoot(voelker_MainRoot);
}
}