java.lang.NullPointerException
   at org.netbeans.api.search.ui.ScopeController$ScopeItem.clr(ScopeController.java:217)
   at org.netbeans.api.search.ui.ScopeController$ScopeItem.toString(ScopeController.java:206)
   at javax.swing.plaf.basic.BasicComboBoxRenderer.getListCellRendererComponent(BasicComboBoxRenderer.java:121)
   at com.sun.java.swing.plaf.windows.WindowsComboBoxUI$WindowsComboBoxRenderer.getListCellRendererComponent(WindowsComboBoxUI.java:527)
   at javax.swing.plaf.basic.BasicComboBoxUI.getBaseline(BasicComboBoxUI.java:979)
   at javax.swing.JComponent.getBaseline(JComponent.java:2560)
   at javax.swing.GroupLayout$ComponentSpring.getBaseline(GroupLayout.java:3075)
   at javax.swing.GroupLayout$BaselineGroup.calculateBaselineAndResizeBehavior(GroupLayout.java:2732)
   at javax.swing.GroupLayout$BaselineGroup.calculateSize(GroupLayout.java:2708)
   at javax.swing.GroupLayout$Group.calculatePreferredSize(GroupLayout.java:1602)
   at javax.swing.GroupLayout$Spring.getPreferredSize(GroupLayout.java:1346)
   at javax.swing.GroupLayout$Group.getSpringSize(GroupLayout.java:1638)
   at javax.swing.GroupLayout$Group.calculateSize(GroupLayout.java:1627)
   at javax.swing.GroupLayout$Group.calculatePreferredSize(GroupLayout.java:1602)
   at javax.swing.GroupLayout$Spring.getPreferredSize(GroupLayout.java:1346)
   at javax.swing.GroupLayout$Group.getSpringSize(GroupLayout.java:1638)
   at javax.swing.GroupLayout$Group.calculateSize(GroupLayout.java:1624)
   at javax.swing.GroupLayout$Group.calculatePreferredSize(GroupLayout.java:1602)
   at javax.swing.GroupLayout$Spring.getPreferredSize(GroupLayout.java:1346)
   at javax.swing.GroupLayout$SequentialGroup.setValidSize(GroupLayout.java:2017)
   at javax.swing.GroupLayout$Group.setSize(GroupLayout.java:1587)
   at javax.swing.GroupLayout.calculateAutopadding(GroupLayout.java:1079)
   at javax.swing.GroupLayout.layoutContainer(GroupLayout.java:920)
   at java.awt.Container.layout(Container.java:1503)
   at java.awt.Container.doLayout(Container.java:1492)
   at java.awt.Container.validateTree(Container.java:1688)
   at java.awt.Container.validateTree(Container.java:1697)
   at java.awt.Container.validateTree(Container.java:1697)
   at java.awt.Container.validateTree(Container.java:1697)
   at java.awt.Container.validate(Container.java:1623)
   at javax.swing.plaf.basic.BasicTabbedPaneUI.ensureCurrentLayout(BasicTabbedPaneUI.java:1446)
   at javax.swing.plaf.basic.BasicTabbedPaneUI.getTabBounds(BasicTabbedPaneUI.java:1466)
   at com.sun.java.swing.plaf.windows.WindowsTabbedPaneUI.setRolloverTab(WindowsTabbedPaneUI.java:104)
   at javax.swing.plaf.basic.BasicTabbedPaneUI$TabbedPaneLayout.layoutContainer(BasicTabbedPaneUI.java:2399)
   at java.awt.Container.layout(Container.java:1503)
   at java.awt.Container.doLayout(Container.java:1492)
   at java.awt.Container.validateTree(Container.java:1688)
   at java.awt.Container.validate(Container.java:1623)
   at javax.swing.plaf.basic.BasicTabbedPaneUI.ensureCurrentLayout(BasicTabbedPaneUI.java:1446)
   at javax.swing.plaf.basic.BasicTabbedPaneUI.getTabBounds(BasicTabbedPaneUI.java:1466)
   at com.sun.java.swing.plaf.windows.WindowsTabbedPaneUI.setRolloverTab(WindowsTabbedPaneUI.java:107)
   at javax.swing.plaf.basic.BasicTabbedPaneUI.setRolloverTab(BasicTabbedPaneUI.java:575)
   at javax.swing.plaf.basic.BasicTabbedPaneUI.access$2000(BasicTabbedPaneUI.java:54)
   at javax.swing.plaf.basic.BasicTabbedPaneUI$Handler.mouseMoved(BasicTabbedPaneUI.java:3660)
   at java.awt.Component.processMouseMotionEvent(Component.java:6550)
   at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3339)
   at java.awt.Component.processEvent(Component.java:6274)
   at java.awt.Container.processEvent(Container.java:2229)
   at java.awt.Component.dispatchEventImpl(Component.java:4861)
   at java.awt.Container.dispatchEventImpl(Container.java:2287)
   at java.awt.Component.dispatchEvent(Component.java:4687)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4832)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4505)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4422)
   at java.awt.Container.dispatchEventImpl(Container.java:2273)
   at java.awt.Window.dispatchEventImpl(Window.java:2713)
   at java.awt.Component.dispatchEvent(Component.java:4687)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:707)
   at java.awt.EventQueue.access$000(EventQueue.java:101)
   at java.awt.EventQueue$3.run(EventQueue.java:666)
   at java.awt.EventQueue$3.run(EventQueue.java:664)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
   at java.awt.EventQueue$4.run(EventQueue.java:680)
   at java.awt.EventQueue$4.run(EventQueue.java:678)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:677)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)