java.lang.NullPointerException
   at org.netbeans.modules.versioning.core.DelegatingVCS.getTopmostManagedAncestor(DelegatingVCS.java:187)
   at org.netbeans.modules.versioning.core.VersioningManager.getOwner(VersioningManager.java:452)
   at org.netbeans.modules.versioning.core.VersioningAnnotationProvider.getOwner(VersioningAnnotationProvider.java:96)
   at org.netbeans.modules.versioning.core.VersioningAnnotationProvider.access$1200(VersioningAnnotationProvider.java:78)
   at org.netbeans.modules.versioning.core.VersioningAnnotationProvider$Cache.getCommonOwner(VersioningAnnotationProvider.java:773)
   at org.netbeans.modules.versioning.core.VersioningAnnotationProvider$Cache.annotate(VersioningAnnotationProvider.java:677)
   at org.netbeans.modules.versioning.core.VersioningAnnotationProvider$Cache.access$1500(VersioningAnnotationProvider.java:511)
   at org.netbeans.modules.versioning.core.VersioningAnnotationProvider$Cache$AnnotationRefreshTask.run(VersioningAnnotationProvider.java:794)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)