VisualStudioCodeでCodeRunnerがハング

問題

VisualStudioCodeで、CodeRunnerを使用して
JavaFxのSourceを実行しようとすると
途中でハングする。
解消するためには、VisualStudioCodeの
再立ち上げを必要とする。

画面

環境

Windows Pro 10 1903
VisualStudioCode 1.48.0
Javac 1.8.0_192

ErrorMessage全文

PS C:\UserData\VisualStudioCodeWorkSpace\JavaFx01>
cd "c:\UserData\VisualStudioCodeWorkSpace\JavaFx01" ;
if ($?) { javac Basic01.java } ; if ($?) { java Basic01 }
javafx.fxml.LoadException:
/C:/UserData/VisualStudioCodeWorkSpace/JavaFx01/Basic01.fxml:12
at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2601)
at javafx.fxml.FXMLLoader.access$700(FXMLLoader.java:103)
at javafx.fxml.FXMLLoader$ValueElement.processAttribute(FXMLLoader.java:922)
at javafx.fxml.FXMLLoader$InstanceDeclarationElement.processAttribute(FXMLLoader.java:971)
at javafx.fxml.FXMLLoader$Element.processStartElement(FXMLLoader.java:220)
at javafx.fxml.FXMLLoader$ValueElement.processStartElement(FXMLLoader.java:744)
at javafx.fxml.FXMLLoader.processStartElement(FXMLLoader.java:2707)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2527)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3214)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097)
at Basic01.start(Basic01.java:12)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$8(LauncherImpl.java:863)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$7(PlatformImpl.java:326)
at com.sun.javafx.application.PlatformImpl.lambda$null$5(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$6(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$4(WinApplication.java:186)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: Basic01CTL
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at javafx.fxml.FXMLLoader$ValueElement.processAttribute(FXMLLoader.java:920)
... 22 more

Basic01.java

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;
public class Basic01 extends Application
{
@Override
public void start(Stage primaryStage)
{try
{
BorderPane root = (BorderPane)FXMLLoader.load(getClass().getResource("Basic01.fxml"));
Scene scene = new Scene(root);
scene.getStylesheets().add(getClass().getResource("Basic01.css").toExternalForm());
primaryStage.setTitle("Basic01");
primaryStage.setScene(scene);
primaryStage.show();
}
catch(Exception e) {e.printStackTrace();}
}

public static void main(String[] args)
{
launch(args);
}
}

Basic01CTL.fmlx

<?xml version="1.0" encoding="UTF-8"?> <?import javafx.scene.control.Button?> <?import javafx.scene.control.Label?> <?import javafx.scene.control.TextField?> <?import javafx.scene.layout.BorderPane?> <?import javafx.scene.layout.Pane?> <?import javafx.scene.text.Font?>

Basic01CTL.java

import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;

public class Basic01CTL
{
@FXML private TextField textfield;
@FXML private Label label;

@FXML
protected void Click1(ActionEvent evt) 
{ 
	label.setText("Button 1 pushed");
}

@FXML
protected void Click2(ActionEvent evt) 
{
	String s = new String(textfield.getText());
	label.setText("Input = "+s);
}