ava.lang.NullPointerException
	at org.openide.src.ClassElement.testFileForName(ClassElement.java:1053)
	at org.openide.src.ClassElement.forName(ClassElement.java:952)
	at org.netbeans.modules.clazz.ClassDataObject$ClazzInstanceSupport.instanceOf(ClassDataObject.java:617)
	at org.openide.loaders.InstanceSupport.isApplet(InstanceSupport.java:228)
	at org.netbeans.modules.clazz.ClassDataObject.isApplet(ClassDataObject.java:314)
	at org.netbeans.modules.clazz.ClassDataNode$5.getValue(ClassDataNode.java:193)
	at org.openide.explorer.propertysheet.PropUtils.updateEdFromProp(PropUtils.java:692)
	at org.openide.explorer.propertysheet.PropUtils.getPropertyEditor(PropUtils.java:664)
	at org.openide.explorer.propertysheet.ReusablePropertyModel.getPropertyEditor(ReusablePropertyModel.java:57)
	at org.openide.explorer.propertysheet.SheetCellRenderer.setCurrentModelAndEnv(SheetCellRenderer.java:329)
	at org.openide.explorer.propertysheet.SheetCellRenderer.getRenderer(SheetCellRenderer.java:82)
	at org.openide.explorer.propertysheet.SheetCellRenderer.getTableCellRendererComponent(SheetCellRenderer.java:167)
	at javax.swing.JTable.prepareRenderer(JTable.java:3731)
	at javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:1149)
	at javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:1051)
	at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:974)
	at javax.swing.plaf.ComponentUI.update(ComponentUI.java:142)
	at javax.swing.JComponent.paintComponent(JComponent.java:541)
	at javax.swing.JComponent.paint(JComponent.java:808)
	at org.openide.explorer.propertysheet.SheetTable.paint(SheetTable.java:484)
	at javax.swing.JComponent.paintChildren(JComponent.java:647)
	at javax.swing.JComponent.paint(JComponent.java:817)
	at javax.swing.JViewport.paintViaBackingStore(JViewport.java:606)
	at javax.swing.JViewport.paint(JViewport.java:757)
	at org.openide.explorer.propertysheet.PropertySheet$MarginViewport.paint(PropertySheet.java:1037)
	at javax.swing.JComponent.paintChildren(JComponent.java:647)
	at javax.swing.JComponent.paint(JComponent.java:817)
	at javax.swing.JComponent.paintWithOffscreenBuffer(JComponent.java:4795)
	at javax.swing.JComponent.paintDoubleBuffered(JComponent.java:4748)
	at javax.swing.JComponent._paintImmediately(JComponent.java:4692)
	at javax.swing.JComponent.paintImmediately(JComponent.java:4495)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:410)
[catch] at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:117)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:454)
	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)