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Start your free trialRokas Mazeika
4,243 Pointsi have an error and i cant figure what's bad
Exception in Application start method
Exception in thread "main" 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$155(LauncherImpl.java:182)
at java.lang.Thread.run(Thread.java:745)
Caused by: javafx.fxml.LoadException:
/C:/Users/Gamer/IdeaProjects/yo/out/production/yo/sample/sample.fxml:10
at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2601)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2579)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3214)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097)
at sample.Main.start(Main.java:23)
at com.sun.javafx.application.LauncherImpl.lambda$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$148(WinApplication.java:191)
... 1 more
Caused by: java.lang.IllegalArgumentException: Unable to coerce fx:controller="sample.Controller" xmlns:fx="http://javafx.com/fxml" alignment="center" hgap="10" vgap="10"> to class javafx.scene.Node.
at com.sun.javafx.fxml.BeanAdapter.coerce(BeanAdapter.java:496)
at javafx.fxml.FXMLLoader$ValueElement.getListValue(FXMLLoader.java:807)
at javafx.fxml.FXMLLoader$ValueElement.processCharacters(FXMLLoader.java:879)
at javafx.fxml.FXMLLoader.processCharacters(FXMLLoader.java:2836)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2537)
... 17 more
4 Answers
Ted Dunn
43,783 PointsWithout seeing the code you have written, I cannot tell exactly what the issue is but based on the call stack you provided it appears that the error in your code is on line 23 in the Main.java file of your project.
Rokas Mazeika
4,243 Pointsmy main.java
package sample;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.fxml.FXMLLoader;
import javafx.scene.Group;
import javafx.scene.control.*;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.VBox;
import javafx.scene.text.Text;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
import java.util.Objects;
public class Main extends Application {
@Override
public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource("sample.fxml"));
/*Group root = new Group();
Text txt = new Text("Sup?");
Button btn = new Button();
TextField fld = new TextField();
GridPane grid = new GridPane();
VBox box = new VBox();
Label label = new Label("Name:");
btn.setText("Say sup!");
btn.setOnAction(evt -> {
System.out.printf("Sup %s! %n", fld.getText());
});
grid.add(fld, 1, 0);
grid.add(label, 0, 0);
grid.add(btn, 1, 1);
grid.setHgap(20);
grid.setGridLinesVisible(true);
box.getChildren().addAll(txt, grid);
root.getChildren().add(box);*/
primaryStage.setTitle("Sup program");
primaryStage.setScene(new Scene(root, 300, 275));
primaryStage.show();
}
public static void main(String[] args) {
launch(args);
}
}
<?import javafx.geometry.Insets?>
<?import javafx.scene.layout.GridPane?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.text.Text?>
<?import javafx.scene.control.TextField?>
<GridPane fx:controller="sample.Controller"
xmlns:fx="http://javafx.com/fxml" alignment="center" hgap="10" vgap="10">
<Text text="Sup"
GridPane.halignment="CENTER"
GridPane.rowIndex="2"
GridPane.columnSpan="0"/>
<Button text="Say sup"
GridPane.columnSpan="1"
GridPane.rowIndex="2"/>
<Label text="Name:"
GridPane.columnSpan="0"
GridPane.rowIndex="1" />
<TextField fx:id = "name"
GridPane.columnSpan="1"
GridPane.rowIndex="1"
GridPane.halignment="RIGHT"/>
</GridPane>
my sample.fxml
Sean Hayes
Courses Plus Student 8,106 PointsI'm having the same issue. Did you ever find a solution?
Gustáv Foltin
16,402 PointsThey can remove this JavaFX part of intermediate course, unable to do it. A lot of erros appears, cant run app.