javax.jmi.reflect.InvalidObjectException: Object with MOFID E78F0EC3-FD49-11D8-8067-D4CA2B08AA77:0000000000005757 no longer exists.
	at org.netbeans.mdr.handlers.BaseObjectHandler._getDelegate(BaseObjectHandler.java:322)
	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.super_getJavadocText(Unknown Source)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.FeatureImpl.isPersisted(FeatureImpl.java:627)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.SemiPersistentElement.clearPersist(SemiPersistentElement.java:240)
	at org.netbeans.modules.javacore.ExclusiveMutex.notifyElements(ExclusiveMutex.java:405)
[catch] at org.netbeans.modules.javacore.ExclusiveMutex.leave(ExclusiveMutex.java:297)
	at org.netbeans.mdr.NBMDRepositoryImpl.endTrans(NBMDRepositoryImpl.java:253)
	at org.netbeans.mdr.NBMDRepositoryImpl.endTrans(NBMDRepositoryImpl.java:247)
	at org.netbeans.modules.javacore.RepositoryUpdater$1.run(RepositoryUpdater.java:207)
	at org.openide.util.Task.run(Task.java:136)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330)
	at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:686)