Running the Metal or Organic L&F in SwingSet Demo in the latest IE4.0, with the latest build causes the following exception to be thrown:

java.lang.IllegalAccessError: com/sun/java/swing/plaf/basic/BasicSliderUI$ScrollListener
        at com/sun/java/swing/plaf/metal/MetalSliderUI.installUI
        at com/sun/java/swing/JComponent.setUI
        at com/sun/java/swing/JSlider.setUI
        at com/sun/java/swing/JSlider.updateUI
        at com/sun/java/swing/SwingUtilities.updateComponentTreeUI0
        at com/sun/java/swing/SwingUtilities.updateComponentTreeUI
        at com/sun/java/swing/SwingUtilities.updateComponentTreeUI0
        at com/sun/java/swing/SwingUtilities.updateComponentTreeUI
        at com/sun/java/swing/SwingUtilities.updateComponentTreeUI0
        at com/sun/java/swing/SwingUtilities.updateComponentTreeUI
        at com/sun/java/swing/SwingUtilities.updateComponentTreeUI0
        at com/sun/java/swing/SwingUtilities.updateComponentTreeUI
        at com/sun/java/swing/JTabbedPane$ModelListener.stateChanged
        at com/sun/java/swing/DefaultSingleSelectionModel.fireStateChanged
        at com/sun/java/swing/DefaultSingleSelectionModel.setSelectedIndex
        at com/sun/java/swing/JTabbedPane.setSelectedIndex
        at com/sun/java/swing/plaf/basic/BasicTabbedPaneUI$MouseGetter.mousePressed
        at java/awt/Component.processMouseEvent
        at java/awt/Component.processEvent
        at java/awt/Container.processEvent
        at java/awt/Component.dispatchEventImpl
        at java/awt/Container.dispatchEventImpl
        at java/awt/Component.dispatchEvent
        at java/awt/LightweightDispatcher.retargetMouseEvent
        at java/awt/LightweightDispatcher.processMouseEvent
        at java/awt/LightweightDispatcher.dispatchEvent
        at java/awt/Container.dispatchEventImpl
        at java/awt/Component.dispatchEvent
        at java/awt/EventDispatchThread.run