java.lang.NullPointerException
        at org.netbeans.modules.xml.schema.ui.nodes.schema.LocalSimpleTypeNode.getSuperDefinition(LocalSimpleTypeNode.java:80)
        at org.netbeans.modules.xml.schema.ui.nodes.categorized.AdvancedLocalSimpleTypeNode.getHtmlDisplayName(AdvancedLocalSimpleTypeNode.java:301)
        at org.openide.nodes.FilterNode.getHtmlDisplayName(FilterNode.java:787)
        at org.openide.explorer.view.VisualizerNode.getHtmlDisplayName(VisualizerNode.java:566)
        at org.openide.explorer.view.NodeRenderer.getListCellRendererComponent(NodeRenderer.java:158)
        at org.netbeans.modules.xml.xam.ui.column.ColumnListCellRenderer.getListCellRendererComponent(ColumnListCellRenderer.java:67)
        at javax.swing.plaf.basic.BasicListUI.updateLayoutState(BasicListUI.java:1349)
        at javax.swing.plaf.basic.BasicListUI.maybeUpdateLayoutState(BasicListUI.java:1299)
        at javax.swing.plaf.basic.BasicListUI.getPreferredSize(BasicListUI.java:566)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1634)
        at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:769)
        at java.awt.Container.layout(Container.java:1421)
        at java.awt.Container.doLayout(Container.java:1410)
        at org.openide.explorer.view.ListView.access$201(ListView.java:143)
        at org.openide.explorer.view.ListView$GuardedActions.run(ListView.java:518)
        at org.openide.explorer.view.ListView$GuardedActions.<init>(ListView.java:503)
        at org.openide.explorer.view.ListView.doLayout(ListView.java:553)
        at java.awt.Container.validateTree(Container.java:1507)
        at org.openide.explorer.view.ListView.access$101(ListView.java:143)
        at org.openide.explorer.view.ListView$GuardedActions.run(ListView.java:515)
        at org.openide.util.Mutex.readAccess(Mutex.java:327)
        at org.openide.util.Mutex$1R.run(Mutex.java:1299)
        at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1810)
        at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1320)
        at org.openide.util.Mutex.readAccess(Mutex.java:275)
        at org.openide.explorer.view.ListView$GuardedActions.<init>(ListView.java:505)
        at org.openide.explorer.view.ListView.validateTree(ListView.java:543)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validate(Container.java:1480)
        at org.netbeans.core.windows.view.ui.DesktopImpl$LayeredLayout.layoutContainer(DesktopImpl.java:466)
        at java.awt.Container.layout(Container.java:1421)
        at java.awt.Container.doLayout(Container.java:1410)
        at java.awt.Container.validateTree(Container.java:1507)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validateTree(Container.java:1513)
        at java.awt.Container.validate(Container.java:1480)
        at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:670)
        at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:127)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        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)