SwingSet crashes if dialogs are dragged with JDK-1.2beta4-G on Windows NT. This does NOT occur on Solaris.

Steps to Reproduce:
0) Launch SwingSet with configuration above.
1) Select Message Dialog from the Dialogs menu.
2) Drag the Message Dialog around the screen a bit.
RESULT: SwingSet crashes (shuts itself down) and throws the following exceptions:
Malformed URL: java.net.MalformedURLException: no protocol: null/packages.html
java.awt.swing.plaf.metal.MetalLookAndFeel/icons/Warn.gif not found.
FATAL ERROR in native method: Out of memory when expanding local ref table beyond capacity
        at sun.java2d.loops.GIFAcceleratorLoops.LUTcopyTo16Bit565(Native Method)
        at sun.java2d.loops.LUTcopyTo16Bit565.OpaqueBlit(GIFAcceleratorLoops.java:329)
        at sun.java2d.loops.RasterOutputManager.performOpaqueBlit(Compiled Code)
        at sun.java2d.loops.RasterOutputManager.renderImage(Compiled Code)
        at sun.java2d.SunGraphics2D.renderingPipeImage(Compiled Code)
        at sun.java2d.SunGraphics2D.drawImage(Compiled Code)
        at sun.awt.image.BufferedImageGraphics2D.drawImage(Compiled Code)
        at sun.awt.image.GraphicsObserver.drawImage(Compiled Code)
        at sun.awt.image.ImageRepresentation.drawToBufImage(Compiled Code)
        at sun.awt.image.BufferedImageGraphics2D.drawImage(Compiled Code)
        at java.awt.swing.SwingGraphics2D.drawImage(Compiled Code)
        at java.awt.swing.ImageIcon.paintIcon(Compiled Code)
        at java.awt.swing.border.MatteBorder.paintBorder(Compiled Code)
        at java.awt.swing.JComponent.paintBorder(Compiled Code)
        at java.awt.swing.JComponent.paint(Compiled Code)
        at java.awt.swing.JComponent.paintChildren(Compiled Code)
        at java.awt.swing.JComponent.paint(Compiled Code)
        at java.awt.swing.JComponent.paintChildren(Compiled Code)
        at java.awt.swing.JComponent.paint(Compiled Code)
        at java.awt.swing.JComponent.paintChildren(Compiled Code)
        at java.awt.swing.JComponent.paint(Compiled Code)
        at java.awt.swing.JComponent.paintChildren(Compiled Code)
        at java.awt.swing.JComponent.paint(Compiled Code)
        at java.awt.swing.JLayeredPane.paint(Compiled Code)
        at java.awt.swing.JComponent.paintChildren(Compiled Code)
        at java.awt.swing.JComponent.paint(Compiled Code)
        at java.awt.Container.paint(Compiled Code)
        at sun.awt.windows.WComponentPeer.handleEvent(Compiled Code)
        at java.awt.Component.dispatchEventImpl(Compiled Code)
        at java.awt.Container.dispatchEventImpl(Compiled Code)
        at java.awt.Window.dispatchEventImpl(Compiled Code)
        at java.awt.EventQueue.dispatchEvent(Compiled Code)
        at java.awt.EventDispatchThread.run(Compiled Code)