rollback!!!
java.lang.Exception: Stack trace
	at java.lang.Thread.dumpStack(Thread.java:1158)
	at org.netbeans.modules.javacore.ExclusiveMutex.leave(ExclusiveMutex.java:281)
	at org.netbeans.mdr.NBMDRepositoryImpl.endTrans(NBMDRepositoryImpl.java:253)
	at org.netbeans.mdr.handlers.BaseObjectHandler._unlock(BaseObjectHandler.java:208)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.updateFromDataObject(ResourceImpl.java:388)
	at org.netbeans.modules.javacore.JMManager.getResource(JMManager.java:489)
	at org.netbeans.modules.javacore.JMManager.getResource(JMManager.java:426)
	at org.netbeans.modules.javacore.JMManager.getResource(JMManager.java:401)
	at org.netbeans.modules.javacore.RepositoryUpdater.createOrUpdateResource(RepositoryUpdater.java:162)
	at org.netbeans.modules.javacore.ExclusiveMutex.parseIfNeeded(ExclusiveMutex.java:190)
	at org.netbeans.modules.javacore.ExclusiveMutex.enter(ExclusiveMutex.java:137)
	at org.netbeans.mdr.NBMDRepositoryImpl.beginTrans(NBMDRepositoryImpl.java:232)
	at org.netbeans.modules.javacore.RepositoryUpdater$1.run(RepositoryUpdater.java:187)
	at org.openide.util.Task.run(Task.java:136)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330)
	at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:686)
*********** Exception occurred ************ at 5:47 AM on Sep 3, 2004
javax.jmi.reflect.CompositionViolationException
	at org.netbeans.mdr.storagemodel.StorableObject.setComposite(StorableObject.java:260)
	at org.netbeans.mdr.storagemodel.AttrCollection.setAttribComposite(AttrCollection.java:264)
	at org.netbeans.mdr.storagemodel.AttrCollection.add(AttrCollection.java:150)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.SemiPersistentElement.persistChildren(SemiPersistentElement.java:880)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.JavaClassImpl.matchPersistent(JavaClassImpl.java:464)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.SemiPersistentElement.updatePersistent(SemiPersistentElement.java:279)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.SemiPersistentElement.matchMember(SemiPersistentElement.java:545)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.SemiPersistentElement.processMembers(SemiPersistentElement.java:441)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.matchPersistent(ResourceImpl.java:188)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.SemiPersistentElement.updatePersistent(SemiPersistentElement.java:279)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.updateMetadata(ResourceImpl.java:581)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.directUpdate(ResourceImpl.java:574)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.checkUpToDate(ResourceImpl.java:479)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.checkUpToDate(ResourceImpl.java:465)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.SemiPersistentElement.checkUpToDate(SemiPersistentElement.java:210)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.getClassifiers(ResourceImpl.java:149)
	at org.netbeans.jmi.javamodel.Resource$Impl.getClassifiers(Unknown Source)
	at org.netbeans.modules.java.bridge.TopClassesCollection$TopClassesListener.connect(TopClassesCollection.java:145)
	at org.netbeans.modules.java.bridge.SourceElementImpl.connectListener(SourceElementImpl.java:81)
	at org.netbeans.modules.java.bridge.ElementImpl.attachedToElement(ElementImpl.java:461)
	at org.netbeans.modules.java.bridge.SrcElementImpl.getDelegate(SrcElementImpl.java:76)
	at org.netbeans.modules.java.bridge.SrcElementImpl.addPropertyChangeListener(SrcElementImpl.java:283)
	at org.openide.src.Element.addPropertyChangeListener(Element.java:62)
	at org.netbeans.modules.java.JavaParserGlue.<init>(JavaParserGlue.java:103)
	at org.netbeans.modules.java.JavaDataObject.initializeParsingSupport(JavaDataObject.java:191)
	at org.netbeans.modules.java.JavaDataObject.createCookie(JavaDataObject.java:833)
	at org.openide.nodes.CookieSet$CookieEntry.getCookie(CookieSet.java:335)
	at org.openide.nodes.CookieSet.getCookie(CookieSet.java:93)
	at org.openide.loaders.MultiDataObject.getCookie(MultiDataObject.java:687)
	at org.netbeans.modules.java.JavaDataObject.getCookie(JavaDataObject.java:816)
	at org.netbeans.modules.javacore.parser.ASTProvider.getRealSource(ASTProvider.java:346)
	at org.netbeans.modules.javacore.parser.ASTProvider.getReader(ASTProvider.java:405)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.directUpdate(ResourceImpl.java:525)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.checkUpToDate(ResourceImpl.java:479)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.updateFromDataObject(ResourceImpl.java:385)
[catch] at org.netbeans.modules.javacore.JMManager.getResource(JMManager.java:489)
	at org.netbeans.modules.javacore.JMManager.getResource(JMManager.java:426)
	at org.netbeans.modules.javacore.JMManager.getResource(JMManager.java:401)
	at org.netbeans.modules.javacore.RepositoryUpdater.createOrUpdateResource(RepositoryUpdater.java:162)
	at org.netbeans.modules.javacore.ExclusiveMutex.parseIfNeeded(ExclusiveMutex.java:190)
	at org.netbeans.modules.javacore.ExclusiveMutex.enter(ExclusiveMutex.java:137)
	at org.netbeans.mdr.NBMDRepositoryImpl.beginTrans(NBMDRepositoryImpl.java:232)
	at org.netbeans.modules.javacore.RepositoryUpdater$1.run(RepositoryUpdater.java:187)
	at org.openide.util.Task.run(Task.java:136)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330)
	at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:686)