java.lang.ClassCastException: javax.swing.plaf.ColorUIResource cannot be cast to java.lang.Boolean
   at javax.swing.plaf.nimbus.NimbusStyle.isOpaque(NimbusStyle.java:614)
   at javax.swing.plaf.synth.SynthStyle.installDefaults(SynthStyle.java:945)
   at javax.swing.plaf.nimbus.NimbusStyle.installDefaults(NimbusStyle.java:231)
   at javax.swing.plaf.synth.SynthStyle.installDefaults(SynthStyle.java:916)
   at javax.swing.plaf.synth.SynthLookAndFeel.updateStyle(SynthLookAndFeel.java:265)
   at javax.swing.plaf.synth.SynthMenuItemUI.updateStyle(SynthMenuItemUI.java:96)
   at javax.swing.plaf.synth.SynthMenuItemUI.installDefaults(SynthMenuItemUI.java:80)
   at javax.swing.plaf.basic.BasicMenuItemUI.installUI(BasicMenuItemUI.java:107)
   at javax.swing.JComponent.setUI(JComponent.java:664)
   at javax.swing.AbstractButton.setUI(AbstractButton.java:1807)
   at javax.swing.JMenuItem.setUI(JMenuItem.java:240)
   at javax.swing.JMenuItem.updateUI(JMenuItem.java:249)
   at javax.swing.JMenuItem.init(JMenuItem.java:211)
   at javax.swing.JMenuItem.<init>(JMenuItem.java:150)
   at javax.swing.JMenuItem.<init>(JMenuItem.java:109)
   at org.openide.awt.Actions$MenuItem.<init>(Actions.java:1561)
   at org.netbeans.modules.openide.awt.DefaultAWTBridge.createMenuPresenter(DefaultAWTBridge.java:76)
   at org.openide.util.actions.CallableSystemAction.getMenuPresenter(CallableSystemAction.java:91)
   at org.openide.awt.DynaMenuModel.loadSubmenu(DynaMenuModel.java:101)
   at org.openide.awt.MenuBar$LazyMenu$MenuFolder.createInstance(MenuBar.java:857)
   at org.openide.loaders.FolderInstance.defaultProcessObjectsFinal(FolderInstance.java:888)
   at org.openide.loaders.FolderInstance$1R.run(FolderInstance.java:730)
   at org.openide.util.Task.run(Task.java:257)
   at org.netbeans.modules.openide.loaders.AWTTask.run(AWTTask.java:79)
   at org.netbeans.modules.openide.loaders.AWTTask$Processor.run(AWTTask.java:172)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   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)