java.lang.NullPointerException
        at org.openide.xml.XMLUtil.normalize(XMLUtil.java:790)
        at org.openide.xml.XMLUtil.write(XMLUtil.java:394)
        at org.netbeans.cubeon.local.repository.LocalRepositoryPersistence.putConfigurationFragment(LocalRepositoryPersistence.java:228)
        at org.netbeans.cubeon.local.repository.LocalRepositoryPersistence.addRepository(LocalRepositoryPersistence.java:91)
        at org.netbeans.cubeon.local.repository.LocalRepositoryPersistence.getLocalTaskRepositorys(LocalRepositoryPersistence.java:150)
        at org.netbeans.cubeon.local.repository.LocalTaskRepositoryProvider.getRepositorys(LocalTaskRepositoryProvider.java:127)
        at org.netbeans.cubeon.tasks.core.internals.TaskRepositoryHandlerImpl.getTaskRepositorys(TaskRepositoryHandlerImpl.java:36)
        at org.netbeans.cubeon.ui.TaskRepositoriesTopComponent.refresh(TaskRepositoriesTopComponent.java:107)
        at org.netbeans.cubeon.ui.TaskRepositoriesTopComponent$1.run(TaskRepositoriesTopComponent.java:56)
        at org.netbeans.core.windows.WindowManagerImpl$Exclusive.run(WindowManagerImpl.java:1335)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        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)