java.lang.NullPointerException
   at org.netbeans.modules.openfile.RecentFileAction.ensureSelected(RecentFileAction.java:235)
   at org.netbeans.modules.openfile.RecentFileAction.fillSubMenu(RecentFileAction.java:179)
   at org.netbeans.modules.openfile.RecentFileAction.popupMenuWillBecomeVisible(RecentFileAction.java:141)
   at javax.swing.JPopupMenu.firePopupMenuWillBecomeVisible(JPopupMenu.java:678)
   at javax.swing.JPopupMenu.setVisible(JPopupMenu.java:785)
   at javax.swing.JPopupMenu.show(JPopupMenu.java:956)
   at javax.swing.JMenu.setPopupMenuVisible(JMenu.java:351)
   at javax.swing.JPopupMenu.menuSelectionChanged(JPopupMenu.java:1468)
   at javax.swing.MenuSelectionManager.setSelectedPath(MenuSelectionManager.java:118)
   at javax.swing.plaf.basic.BasicMenuUI.appendPath(BasicMenuUI.java:222)
   at javax.swing.plaf.basic.BasicMenuUI.access$200(BasicMenuUI.java:49)
   at javax.swing.plaf.basic.BasicMenuUI$Actions.actionPerformed(BasicMenuUI.java:280)
   at javax.swing.Timer.fireActionPerformed(Timer.java:312)
   at javax.swing.Timer$DoPostEvent.run(Timer.java:244)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:701)
   at java.awt.EventQueue.access$000(EventQueue.java:102)
   at java.awt.EventQueue$3.run(EventQueue.java:662)
   at java.awt.EventQueue$3.run(EventQueue.java:660)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:671)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)