java.lang.NullPointerException
	at org.netbeans.modules.javacore.parser.ASTProvider.getToken(ASTProvider.java:331)
	at org.netbeans.modules.javacore.parser.TokenIterator.getNextTokenType(TokenIterator.java:63)
	at org.netbeans.modules.javacore.scanning.JavaUpdater.makeIndex(JavaUpdater.java:96)
	at org.netbeans.modules.javacore.scanning.JavaUpdater.computeIndex(JavaUpdater.java:58)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.directUpdate(ResourceImpl.java:713)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.checkUpToDate(ResourceImpl.java:644)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.checkUpToDate(ResourceImpl.java:587)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.SemiPersistentElement.checkUpToDate(SemiPersistentElement.java:264)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.SemiPersistentElement.checkUpToDate(SemiPersistentElement.java:268)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.FeatureImpl.getAnnotations(FeatureImpl.java:82)
	at org.netbeans.jmi.javamodel.JavaClass$Impl.getAnnotations(Unknown Source)
	at org.netbeans.modules.j2ee.metadata.NNMDRListener.classRemoved(NNMDRListener.java:324)
	at org.netbeans.modules.j2ee.metadata.NNMDRListener.eventAttributeRemove(NNMDRListener.java:319)
	at org.netbeans.modules.j2ee.metadata.NNMDRListener.plannedChange(NNMDRListener.java:145)
	at org.netbeans.mdr.util.EventNotifier$Abstract.firePlannedChange(EventNotifier.java:414)
	at org.netbeans.mdr.handlers.AttrCollWrapper$AttrIteratorWrapper.remove(AttrCollWrapper.java:183)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl._delete(ResourceImpl.java:1297)
	at org.netbeans.mdr.handlers.InstanceHandler.refDelete(InstanceHandler.java:306)
	at org.netbeans.modules.javacore.ExclusiveMutex.parseIfNeeded(ExclusiveMutex.java:233)
	at org.netbeans.modules.javacore.ExclusiveMutex.enter(ExclusiveMutex.java:171)
	at org.netbeans.mdr.NBMDRepositoryImpl.beginTrans(NBMDRepositoryImpl.java:228)
	at org.netbeans.modules.editor.java.JavaKit.toolTipAnnotationsLock(JavaKit.java:174)
	at org.netbeans.modules.editor.NbToolTip$Request.run(NbToolTip.java:288)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:493)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:926)