java.lang.NullPointerException
   at org.netbeans.modules.spring.beans.ui.customizer.CustomizerCategoryProvider.getConfigFileManager(CustomizerCategoryProvider.java:118)
   at org.netbeans.modules.spring.beans.ui.customizer.CustomizerCategoryProvider.createCategory(CustomizerCategoryProvider.java:83)
   at org.netbeans.spi.project.ui.support.ProjectCustomizer$DelegateCategoryProvider.readCategories(ProjectCustomizer.java:672)
   at org.netbeans.spi.project.ui.support.ProjectCustomizer$DelegateCategoryProvider.getSubCategories(ProjectCustomizer.java:633)
   at org.netbeans.spi.project.ui.support.ProjectCustomizer.createCustomizerDialog(ProjectCustomizer.java:260)
   at org.netbeans.modules.java.j2seproject.ui.customizer.CustomizerProviderImpl.showCustomizer(CustomizerProviderImpl.java:131)
   at org.netbeans.modules.java.j2seproject.ui.customizer.CustomizerProviderImpl.showCustomizer(CustomizerProviderImpl.java:108)
   at org.netbeans.modules.java.j2seproject.ui.customizer.CustomizerProviderImpl.showCustomizer(CustomizerProviderImpl.java:103)
   at org.netbeans.modules.project.ui.actions.CustomizeProject$1$1.run(CustomizeProject.java:160)
   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:159)
   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)