javax.jmi.reflect.InvalidObjectException: Object with MOFID 321E5251-2622-11D9-B171-C3B8044CAA77:0000000000000F48 no longer exists.
	at org.netbeans.mdr.handlers.BaseObjectHandler._getDelegate(BaseObjectHandler.java:353)
	at org.netbeans.mdr.handlers.InstanceHandler.getInstanceDelegate(InstanceHandler.java:48)
	at org.netbeans.mdr.handlers.InstanceHandler._handleGet(InstanceHandler.java:193)
	at org.netbeans.jmi.javamodel.JavaClass$Impl.getName(Unknown Source)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.JavaClassImpl.getSuperClass(JavaClassImpl.java:304)
	at org.netbeans.jmi.javamodel.JavaClass$Impl.getSuperClass(Unknown Source)
	at org.netbeans.modules.javacore.parser.MDRParser.getSuperClass(MDRParser.java:1416)
	at org.netbeans.modules.javacore.parser.Scope.constructMemberTypeScope(Scope.java:128)
	at org.netbeans.modules.javacore.parser.Scope.createMemberTypeScope(Scope.java:116)
	at org.netbeans.modules.javacore.parser.Scope.constructMemberTypeScope(Scope.java:138)
	at org.netbeans.modules.javacore.parser.Scope.createMemberTypeScope(Scope.java:116)
	at org.netbeans.modules.javacore.parser.Scope.constructMemberTypeScope(Scope.java:133)
	at org.netbeans.modules.javacore.parser.Scope.createMemberTypeScope(Scope.java:116)
	at org.netbeans.modules.javacore.parser.MDRParser.processAST(MDRParser.java:446)
	at org.netbeans.modules.javacore.parser.MDRParser.processAST(MDRParser.java:368)
	at org.netbeans.modules.javacore.parser.MDRParser.processAST(MDRParser.java:454)
	at org.netbeans.modules.javacore.parser.MDRParser.processAST(MDRParser.java:336)
	at org.netbeans.modules.javacore.parser.MDRParser.processAST(MDRParser.java:298)
	at org.netbeans.modules.javacore.parser.MDRParser.processAST(MDRParser.java:276)
	at org.netbeans.modules.javacore.parser.MDRParser.enterMembers(MDRParser.java:207)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.directUpdate(ResourceImpl.java:640)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.checkUpToDate(ResourceImpl.java:553)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.updateFromDataObject(ResourceImpl.java:390)
	at org.netbeans.modules.javacore.ExclusiveMutex.parseIfNeeded(ExclusiveMutex.java:236)
	at org.netbeans.modules.javacore.ExclusiveMutex.enter(ExclusiveMutex.java:150)
	at org.netbeans.mdr.NBMDRepositoryImpl.beginTrans(NBMDRepositoryImpl.java:227)
	at org.netbeans.modules.javacore.internalapi.UndoManager.parseModified(UndoManager.java:480)
	at org.netbeans.modules.javacore.internalapi.UndoManager.transactionEnded(UndoManager.java:133)
	at org.netbeans.modules.javacore.internalapi.UndoManager.undo(UndoManager.java:188)
	at org.netbeans.test.refactoring.move.MoveTestCase.moveClass(MoveTestCase.java:68)