FULL PRODUCT VERSION :
java version "1.8.0_51"
Java(TM) SE Runtime Environment (build 1.8.0_51-b16)
Java HotSpot(TM) 64-Bit Server VM (build 25.51-b03, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.2.9200]

A DESCRIPTION OF THE PROBLEM :
When enabling drag n drop for a Swing component in a SwingNode and dropping a file from the explorer on it, it failes with an java.lang.IllegalArgumentException.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. Start the application
2. Drag n Drop a file from the explorer to the red panel


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Should print the dataflavors on the console.
ACTUAL -
Crashes with exception.

ERROR MESSAGES/STACK TRACES THAT OCCUR :
Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: failed to parse:Shell IDList Array
at java.awt.datatransfer.DataFlavor.<init>(DataFlavor.java:503)
at javafx.embed.swing.DataFlavorUtils.getDataFlavors(DataFlavorUtils.java:64)
at javafx.embed.swing.CachingTransferable.getTransferDataFlavors(CachingTransferable.java:62)
at javafx.embed.swing.FXDnD$FXDropTargetContextPeer.getTransferDataFlavors(FXDnD.java:450)
at java.awt.dnd.DropTargetContext.getCurrentDataFlavors(DropTargetContext.java:223)
at java.awt.dnd.DropTargetDropEvent.getCurrentDataFlavors(DropTargetDropEvent.java:173)
at dnd.explorer.Content$1.drop(Content.java:41)
at java.awt.dnd.DropTarget.drop(DropTarget.java:455)
at javafx.embed.swing.FXDnD$FXDropTargetContextPeer.lambda$postDropTargetEvent$11(FXDnD.java:498)
at javafx.embed.swing.FXDnD$FXDropTargetContextPeer$$Lambda$148/1952674473.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
public class Content
{
   public static JPanel createPanel()
   {
      JPanel panel = new JPanel();
      panel.setSize(400, 400);
      panel.setBackground(Color.RED);

      panel.setDropTarget(new DropTarget(
                  panel, DnDConstants.ACTION_COPY, new DropTargetAdapter()
            {
               @Override
               public void dragEnter(DropTargetDragEvent dtde)
               {
                  dtde.acceptDrag(dtde.getDropAction());
               }

               @Override
               public void drop(DropTargetDropEvent dtde)
               {
                  for( DataFlavor dataFlavor : dtde.getCurrentDataFlavors() )
                  {
                     System.out.println(dataFlavor);
                  }
               }
            }
            ));

      return panel;
   }
}

public class JavaFX extends Application
{
   public static void main(String[] args)
   {
      Application.launch(JavaFX.class);
   }

   @Override
   public void start(Stage primaryStage) throws Exception
   {
      SwingNode swingNode = new SwingNode();
      VBox pane = new VBox(swingNode);
      SwingUtilities.invokeLater(
            () -> {
               swingNode.setContent(Content.createPanel());
            }
      );

      primaryStage.setScene(new Scene(pane));

      primaryStage.setWidth(800);
      primaryStage.setHeight(600);
      primaryStage.show();
   }
}
---------- END SOURCE ----------