ADDITIONAL SYSTEM INFORMATION :
macOs: 10.14.6 (18G2022)
Java
IntelliJ Community Edition 2019.3

A DESCRIPTION OF THE PROBLEM :
Throws java.lang.IllegalAccessError when attempting to instantiate javafx.scene.control.Label

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. Install OpenJDK 13.0.1
2. Install "JavaFX Mac OS X SDK"for JavaFx 13 from https://gluonhq.com/products/javafx/
3. Run attached demo program.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
I expected the code to run. It works under JDK 1.8.
ACTUAL -
/Library/Java/JavaVirtualMachines/jdk-13.0.1.jdk/Contents/Home/bin/java --add-modules javafx.base,javafx.graphics --add-reads javafx.base=ALL-UNNAMED --add-reads javafx.graphics=ALL-UNNAMED -Djava.library.path=/Users/wholder/IdeaProjects/JavaFxTest/lib "-javaagent:/Applications/IntelliJ IDEA 18.3 CE.app/Contents/lib/idea_rt.jar=60624:/Applications/IntelliJ IDEA 18.3 CE.app/Contents/bin" -Dfile.encoding=UTF-8 -classpath /Users/wholder/IdeaProjects/JavaFxTest/out/production/JavaFxTest:/Users/wholder/IdeaProjects/JavaFxTest/lib/src.zip:/Users/wholder/IdeaProjects/JavaFxTest/lib/javafx-swt.jar:/Users/wholder/IdeaProjects/JavaFxTest/lib/javafx.web.jar:/Users/wholder/IdeaProjects/JavaFxTest/lib/javafx.base.jar:/Users/wholder/IdeaProjects/JavaFxTest/lib/javafx.fxml.jar:/Users/wholder/IdeaProjects/JavaFxTest/lib/javafx.media.jar:/Users/wholder/IdeaProjects/JavaFxTest/lib/javafx.swing.jar:/Users/wholder/IdeaProjects/JavaFxTest/lib/javafx.controls.jar:/Users/wholder/IdeaProjects/JavaFxTest/lib/javafx.graphics.jar -p /Users/wholder/IdeaProjects/JavaFxTest/lib/javafx.base.jar:/Users/wholder/IdeaProjects/JavaFxTest/lib/javafx.graphics.jar LabelTest
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:567)
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:567)
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$2(LauncherImpl.java:195)
at java.base/java.lang.Thread.run(Thread.java:830)
Caused by: java.lang.IllegalAccessError: superclass access check failed: class com.sun.javafx.scene.control.ControlHelper (in unnamed module @0x4f34394) cannot access class com.sun.javafx.scene.layout.RegionHelper (in module javafx.graphics) because module javafx.graphics does not export com.sun.javafx.scene.layout to unnamed module @0x4f34394
at java.base/java.lang.ClassLoader.defineClass1(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016)
at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:151)
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:821)
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:719)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:642)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:600)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
at javafx.scene.control.Control.<clinit>(Control.java:86)
at LabelTest.start(LabelTest.java:12)
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$10(PlatformImpl.java:428)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:427)
at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
Exception running application LabelTest

---------- BEGIN SOURCE ----------
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.layout.*;
import javafx.stage.Stage;
public class LabelTest extends Application {

  // From: https://www.geeksforgeeks.org/javafx-label/

  public void start(Stage s) {
    s.setTitle("LabelTest");
    Label b = new Label("This is a label");
    StackPane r = new StackPane();
    r.getChildren().add(b);
    Scene sc = new Scene(r, 200, 200);
    s.setScene(sc);
    s.show();
  }

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

---------- END SOURCE ----------

FREQUENCY : always