java.lang.NullPointerException
   at org.netbeans.modules.bugtracking.ui.issue.IssueTopComponent.propertyChange(IssueTopComponent.java:512)
   at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
   at org.netbeans.modules.bugtracking.RepositoryRegistry.fireRepositoriesChanged(RepositoryRegistry.java:318)
   at org.netbeans.modules.bugtracking.RepositoryRegistry.addRepository(RepositoryRegistry.java:162)
   at org.netbeans.modules.bugtracking.ui.selectors.RepositorySelector.edit(RepositorySelector.java:103)
   at org.netbeans.modules.bugtracking.util.BugtrackingUtil.editRepository(BugtrackingUtil.java:234)
   at org.netbeans.modules.bugzilla.commands.BugzillaExecutor$ExceptionHandler$NotFoundHandler.handle(BugzillaExecutor.java:499)
   at org.netbeans.modules.bugzilla.commands.BugzillaExecutor.execute(BugzillaExecutor.java:143)
   at org.netbeans.modules.bugzilla.commands.BugzillaExecutor.execute(BugzillaExecutor.java:99)
   at org.netbeans.modules.bugzilla.commands.BugzillaExecutor.execute(BugzillaExecutor.java:95)
   at org.netbeans.modules.bugzilla.repository.BugzillaRepository.getIssues(BugzillaRepository.java:281)
   at org.netbeans.modules.bugzilla.BugzillaRepositoryProvider.getIssues(BugzillaRepositoryProvider.java:100)
   at org.netbeans.modules.bugzilla.BugzillaRepositoryProvider.getIssues(BugzillaRepositoryProvider.java:56)
   at org.netbeans.modules.bugtracking.RepositoryImpl.getIssueImpls(RepositoryImpl.java:165)
   at org.netbeans.modules.bugtracking.ui.issue.IssueAction$3$1.run(IssueAction.java:215)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1452)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2032)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NullPointerException
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:424)
   at org.netbeans.modules.bugtracking.ui.issue.IssueAction$3.run(IssueAction.java:187)
   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)