java.lang.NullPointerException
   at org.netbeans.modules.csl.navigation.BreadCrumbsTask$StructureItemNode$2.open(BreadCrumbsTask.java:176)
   at org.netbeans.modules.editor.breadcrumbs.BreadCrumbComponent.open(BreadCrumbComponent.java:266)
   at org.netbeans.modules.editor.breadcrumbs.BreadCrumbComponent.expand(BreadCrumbComponent.java:223)
   at org.netbeans.modules.editor.breadcrumbs.BreadCrumbComponent.access$000(BreadCrumbComponent.java:89)
   at org.netbeans.modules.editor.breadcrumbs.BreadCrumbComponent$1.mouseClicked(BreadCrumbComponent.java:97)
   at java.awt.Component.processMouseEvent(Component.java:6300)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3275)
   at java.awt.Component.processEvent(Component.java:6062)
   at java.awt.Container.processEvent(Container.java:2039)
   at java.awt.Component.dispatchEventImpl(Component.java:4660)
   at java.awt.Container.dispatchEventImpl(Container.java:2097)
   at java.awt.Component.dispatchEvent(Component.java:4488)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4575)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4245)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4166)
   at java.awt.Container.dispatchEventImpl(Container.java:2083)
   at java.awt.Window.dispatchEventImpl(Window.java:2489)
   at java.awt.Component.dispatchEvent(Component.java:4488)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:668)
   at java.awt.EventQueue.access$400(EventQueue.java:81)
   at java.awt.EventQueue$2.run(EventQueue.java:627)
   at java.awt.EventQueue$2.run(EventQueue.java:625)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
   at java.awt.EventQueue$3.run(EventQueue.java:641)
   at java.awt.EventQueue$3.run(EventQueue.java:639)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:638)
   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)