java.lang.NullPointerException
   at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation.computeError(DefaultProjectOperationsImplementation.java:691)
   at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation.computeError(DefaultProjectOperationsImplementation.java:686)
   at org.netbeans.modules.project.uiapi.DefaultProjectRenamePanel.computeError(DefaultProjectRenamePanel.java:311)
   at org.netbeans.modules.project.uiapi.DefaultProjectRenamePanel.validateDialog(DefaultProjectRenamePanel.java:294)
   at org.netbeans.modules.project.uiapi.DefaultProjectRenamePanel.<init>(DefaultProjectRenamePanel.java:85)
   at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation.renameProject(DefaultProjectOperationsImplementation.java:348)
   at org.netbeans.spi.project.ui.support.DefaultProjectOperations.performDefaultRenameOperation(DefaultProjectOperations.java:158)
   at org.netbeans.modules.cnd.makeproject.MakeActionProvider.invokeAction(MakeActionProvider.java:284)
   at org.netbeans.modules.project.ui.actions.ProjectAction.actionPerformed(ProjectAction.java:134)
   at org.netbeans.modules.project.ui.actions.LookupSensitiveAction.actionPerformed(LookupSensitiveAction.java:170)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
   at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:809)
   at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:850)
   at java.awt.Component.processMouseEvent(Component.java:6289)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
   at java.awt.Component.processEvent(Component.java:6054)
   at java.awt.Container.processEvent(Container.java:2041)
   at java.awt.Component.dispatchEventImpl(Component.java:4652)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Component.dispatchEvent(Component.java:4482)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4577)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4238)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168)
   at java.awt.Container.dispatchEventImpl(Container.java:2085)
   at java.awt.Window.dispatchEventImpl(Window.java:2478)
   at java.awt.Component.dispatchEvent(Component.java:4482)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:644)
   at java.awt.EventQueue.access$000(EventQueue.java:85)
   at java.awt.EventQueue$1.run(EventQueue.java:603)
   at java.awt.EventQueue$1.run(EventQueue.java:601)
   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$2.run(EventQueue.java:617)
   at java.awt.EventQueue$2.run(EventQueue.java:615)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:614)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   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)