Olá pessoal,
minha aplicação JavaFX está quebrando quando executo a partir do FXML gerado pelo Scene Builder.
Tenho:
Java 8 Update 111 (64-bit)
Java SE Development Kit 8 Update 111 (64-bit)
NetBeans IDE 8.2
SceneBuilder 8.5.0 (64-bit) do site da Gluon
Eis o erro:
ant -f "C:\\Users\\Carlos Vinicius\\Documents\\NetBeansProjects\\JavaFXApplication2" -Djavac.includes=javafxapplication2/JavaFXApplication2.java -Dnb.internal.action.name=run.single -Drun.class=javafxapplication2.JavaFXApplication2 run-single
init:
Deleting: C:\Users\Carlos Vinicius\Documents\NetBeansProjects\JavaFXApplication2\build\built-jar.properties
deps-jar:
Updating property file: C:\Users\Carlos Vinicius\Documents\NetBeansProjects\JavaFXApplication2\build\built-jar.properties
Compiling 1 source file to C:\Users\Carlos Vinicius\Documents\NetBeansProjects\JavaFXApplication2\build\classes
compile-single:
run-single:
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$155(LauncherImpl.java:182)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException: Location is required.
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3207)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097)
at javafxapplication2.JavaFXApplication2.start(JavaFXApplication2.java:22)
at com.sun.javafx.application.LauncherImpl.lambda$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 javafxapplication2.JavaFXApplication2
C:\Users\Carlos Vinicius\Documents\NetBeansProjects\JavaFXApplication2\nbproject\build-impl.xml:1052: The following error occurred while executing this line:
C:\Users\Carlos Vinicius\Documents\NetBeansProjects\JavaFXApplication2\nbproject\build-impl.xml:806: Java returned: 1
FALHA NA CONSTRUÇÃO (tempo total: 2 segundos)
============================================================================
Eis minha classe principal:
package javafxapplication2;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
/**
*
* @author Carlos Vinicius
*/
public class JavaFXApplication2 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();
}
}
============================================================================== Eis meu fxml:
==============================================================================
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.layout.AnchorPane?>
<AnchorPane id="AnchorPane" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.171" xmlns:fx="http://javafx.com/fxml/1" fx:controller="javafxapplication2.FXMLDocumentController2">
<children>
<Button fx:id="btn" layoutX="248.0" layoutY="71.0" mnemonicParsing="false" text="Button" />
</children>
</AnchorPane>
===============================================================================
Eis meu controller:
package javafxapplication2;
import java.net.URL;
import java.util.ResourceBundle;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Button;
/**
* FXML Controller class
*
* @author Carlos Vinicius
*/
public class FXMLDocumentController2 implements Initializable {
/**
* Initializes the controller class.
*/
@FXML
Button btn;
@Override
public void initialize(URL url, ResourceBundle rb) {
// TODO
}
}
============================================================================= Alguém saberia me dizer por que a aplicação não roda?
Onde se encontra esse arquivo fxml no projeto? Parece que o problema é relacionado a sua localização ou localização de outra coisa.
— Antônio Diego da Luz Silva 20 de nov de 2018