Drag and Drop strangeness

I'm playing with DnD between JVMs.
From one I'm creating a transferable, and iterating through the DataFlavors yields
java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.io.InputStream;charset=utf-16le]
java.awt.datatransfer.DataFlavor[mimetype=application/x-java-serialized-object;representationclass=java.lang.String]
java.awt.datatransfer.DataFlavor[mimetype=application/x-java-jvm-local-objectref;representationclass=java.lang.Integer]
java.awt.datatransfer.DataFlavor[mimetype=application/x-java-serialized-object;representationclass=java.lang.Integer]Ok. Looks good. In the other JVM, I just want to debug what's goin on so I have this:
public void drop(DropTargetDropEvent dtde)
    dtde.acceptDrop(DnDConstants.ACTION_COPY);
    Transferable t = dtde.getTransferable();
    DataFlavor[] dataFlavors = t.getTransferDataFlavors();
    for (int i = 0; i < dataFlavors.length; i++)
      try
        DataFlavor dataFlavor = dataFlavors;
System.out.println(dataFlavor);
if (t.isDataFlavorSupported(dataFlavor))
Object o = t.getTransferData(dataFlavor);
System.out.println(o.getClass() + ", " + o);
} catch (UnsupportedFlavorException e)
e.printStackTrace();
} catch (IOException e)
e.printStackTrace();
When I drop the transferable I get the first dataflavor and then an error for which I can't find an explanation:
java.awt.datatransfer.DataFlavor[mimetype=application/x-java-url;representationclass=java.net.URL]
java.awt.dnd.InvalidDnDOperationException: no protocol: 1
     at sun.awt.dnd.SunDropTargetContextPeer.getTransferData(SunDropTargetContextPeer.java:235)
     at sun.awt.datatransfer.TransferableProxy.getTransferData(TransferableProxy.java:55)
     at java.awt.dnd.DropTargetContext$TransferableProxy.getTransferData(DropTargetContext.java:359)
     at ---.-------.common.ui.dnd.ReceiveTester.drop(ReceiveTester.java:115)
     at java.awt.dnd.DropTarget.drop(DropTarget.java:398)
     at sun.awt.dnd.SunDropTargetContextPeer.processDropMessage(SunDropTargetContextPeer.java:542)
     at sun.awt.dnd.SunDropTargetContextPeer.access$800(SunDropTargetContextPeer.java:52)
     at sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchDropEvent(SunDropTargetContextPeer.java:805)
     at sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchEvent(SunDropTargetContextPeer.java:743)
     at sun.awt.dnd.SunDropTargetEvent.dispatch(SunDropTargetEvent.java:29)
     at java.awt.Component.dispatchEventImpl(Component.java:3494)
     at java.awt.Container.dispatchEventImpl(Container.java:1627)
     at java.awt.Component.dispatchEvent(Component.java:3477)
     at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
     at java.awt.LightweightDispatcher.processDropTargetEvent(Container.java:3269)
     at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3123)
     at java.awt.Container.dispatchEventImpl(Container.java:1613)
     at java.awt.Window.dispatchEventImpl(Window.java:1606)
     at java.awt.Component.dispatchEvent(Component.java:3477)
     at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)Any ideas? Help?

Well, it doesn't happen on OS X. I Suspect Windows or the Windows JVM implementaiton is doing something funny to the Transferable in-between the 2 JVMs.
Probably a bug...

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    Edited by: Hushpuppy on Apr 13, 2008 8:13 PM

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    After upgrading my iMac to Yos, I could only select and copy files to relocate them. Frustrating for a couple of days. I eventually found that the setting on my trackpad was for three fingers over a selected file/folder window/etc moved the item to where I wanted. It had automatically changed to this preference. Its called a 'three finger drag'. The video shows a pane being moved but it also applies to all files etc. It can found in preferences/trackpad/point & click. Here you can turn it off if that is hat is causing the issue. Otherwise no software solutions I'm aware of. Good luck.

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