java.lang.NullPointerException
   at javax.swing.GrayFilter.createDisabledImage(GrayFilter.java:49)
   at javax.swing.text.html.ImageView.getImage(ImageView.java:199)
   at javax.swing.text.html.ImageView.paint(ImageView.java:363)
   at javax.swing.text.BoxView.paintChild(BoxView.java:161)
   at javax.swing.text.BoxView.paint(BoxView.java:433)
   at javax.swing.text.BoxView.paintChild(BoxView.java:161)
   at javax.swing.text.BoxView.paint(BoxView.java:433)
   at javax.swing.text.ParagraphView.paint(ParagraphView.java:587)
   at javax.swing.text.html.ParagraphView.paint(ParagraphView.java:233)
   at javax.swing.text.BoxView.paintChild(BoxView.java:161)
   at javax.swing.text.BoxView.paint(BoxView.java:433)
   at javax.swing.text.html.BlockView.paint(BlockView.java:282)
   at javax.swing.text.BoxView.paintChild(BoxView.java:161)
   at javax.swing.text.BoxView.paint(BoxView.java:433)
   at javax.swing.text.html.BlockView.paint(BlockView.java:282)
   at javax.swing.plaf.basic.BasicTextUI$RootView.paint(BasicTextUI.java:1434)
   at javax.swing.plaf.basic.BasicTextUI.paintSafely(BasicTextUI.java:737)
   at javax.swing.plaf.basic.BasicTextUI.paint(BasicTextUI.java:881)
   at javax.swing.plaf.synth.SynthEditorPaneUI.paint(SynthEditorPaneUI.java:180)
   at javax.swing.plaf.synth.SynthEditorPaneUI.update(SynthEditorPaneUI.java:168)
   at javax.swing.JComponent.paintComponent(JComponent.java:778)
   at javax.swing.JComponent.paint(JComponent.java:1054)
   at javax.swing.JComponent.paintChildren(JComponent.java:887)
   at javax.swing.JComponent.paint(JComponent.java:1063)
   at javax.swing.JViewport.paint(JViewport.java:731)
   at javax.swing.JComponent.paintChildren(JComponent.java:887)
   at javax.swing.JComponent.paint(JComponent.java:1063)
   at javax.swing.JComponent.paintChildren(JComponent.java:887)
   at javax.swing.JSplitPane.paintChildren(JSplitPane.java:1047)
   at javax.swing.JComponent.paint(JComponent.java:1063)
   at javax.swing.JComponent.paintChildren(JComponent.java:887)
   at javax.swing.JComponent.paint(JComponent.java:1063)
   at javax.swing.JComponent.paintChildren(JComponent.java:887)
   at javax.swing.JComponent.paint(JComponent.java:1063)
   at javax.swing.JComponent.paintChildren(JComponent.java:887)
   at javax.swing.JComponent.paint(JComponent.java:1063)
   at javax.swing.JComponent.paintToOffscreen(JComponent.java:5219)
   at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1529)
   at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1452)
   at javax.swing.RepaintManager.paint(RepaintManager.java:1249)
   at javax.swing.JComponent._paintImmediately(JComponent.java:5167)
   at javax.swing.JComponent.paintImmediately(JComponent.java:4978)
   at javax.swing.RepaintManager$3.run(RepaintManager.java:808)
   at javax.swing.RepaintManager$3.run(RepaintManager.java:796)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:796)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:769)
   at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:718)
   at javax.swing.RepaintManager.access$1100(RepaintManager.java:62)
   at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1677)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
   at java.awt.EventQueue.access$200(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:694)
   at java.awt.EventQueue$3.run(EventQueue.java:692)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)