java.lang.ClassCastException: javax.swing.JLabel cannot be cast to javax.swing.JMenuItem
   at javax.swing.plaf.metal.MetalIconFactory$MenuArrowIcon.paintIcon(MetalIconFactory.java:1875)
   at javax.swing.plaf.basic.BasicLabelUI.paint(BasicLabelUI.java:150)
   at javax.swing.plaf.ComponentUI.update(ComponentUI.java:143)
   at javax.swing.JComponent.paintComponent(JComponent.java:752)
   at javax.swing.JComponent.paint(JComponent.java:1029)
   at javax.swing.JComponent.paintChildren(JComponent.java:862)
   at javax.swing.JComponent.paint(JComponent.java:1038)
   at javax.swing.CellRendererPane.paintComponent(CellRendererPane.java:134)
   at javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:2073)
   at javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:1974)
   at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1770)
   at javax.swing.plaf.ComponentUI.update(ComponentUI.java:143)
   at javax.swing.JComponent.paintComponent(JComponent.java:752)
   at javax.swing.JComponent.paint(JComponent.java:1029)
   at org.netbeans.core.windows.view.ui.popupswitcher.Table.paint(Table.java:565)
   at javax.swing.JComponent.paintChildren(JComponent.java:862)
   at javax.swing.JComponent.paint(JComponent.java:1038)
   at javax.swing.JViewport.paint(JViewport.java:747)
   at javax.swing.JComponent.paintToOffscreen(JComponent.java:5124)
   at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:278)
   at javax.swing.RepaintManager.paint(RepaintManager.java:1224)
   at javax.swing.JComponent._paintImmediately(JComponent.java:5072)
   at javax.swing.JComponent.paintImmediately(JComponent.java:4882)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:785)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:713)
   at javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:693)
   at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:125)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641)
   at java.awt.EventQueue.access$000(EventQueue.java:84)
   at java.awt.EventQueue$1.run(EventQueue.java:602)
   at java.awt.EventQueue$1.run(EventQueue.java:600)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:611)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)