java.lang.UnsupportedOperationException: Not supported yet.
	at org.netbeans.modules.web.core.syntax.JavaSourceProviderImpl$FilterImpl.filterReader(JavaSourceProviderImpl.java:80)
	at org.netbeans.modules.java.source.parsing.SourceFileObject.openReader(SourceFileObject.java:145)
	at org.netbeans.modules.java.source.parsing.SourceFileObject.getCharContentImpl(SourceFileObject.java:343)
	at org.netbeans.modules.java.source.parsing.SourceFileObject.getCharContent(SourceFileObject.java:116)
	at org.netbeans.modules.java.source.parsing.SourceFileObject.getCharContent(SourceFileObject.java:59)
	at org.netbeans.api.java.source.CompilationInfo.getText(CompilationInfo.java:117)
	at org.netbeans.api.java.source.JavaSource.dumpSource(JavaSource.java:2234)
	at org.netbeans.api.java.source.JavaSource.moveToPhase(JavaSource.java:1191)
	at org.netbeans.api.java.source.CompilationController.toPhase(CompilationController.java:82)
	at org.netbeans.modules.j2ee.ejbcore._RetoucheUtil$2.run(_RetoucheUtil.java:115)
	at org.netbeans.modules.j2ee.ejbcore._RetoucheUtil$2.run(_RetoucheUtil.java:114)
	at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:564)
	at org.netbeans.modules.j2ee.ejbcore._RetoucheUtil.getJavaClassFromNode(_RetoucheUtil.java:113)
	at org.netbeans.modules.j2ee.ejbcore.ui.logicalview.entres.UseDatabaseAction.enable(UseDatabaseAction.java:287)
	at org.openide.util.actions.NodeAction$DelegateAction.resultChanged(NodeAction.java:589)
Caused: java.lang.reflect.InvocationTargetException
	at sun.reflect.GeneratedMethodAccessor30.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:427)
Caused: java.lang.reflect.UndeclaredThrowableException
	at $Proxy7.resultChanged(Unknown Source)
	at org.openide.util.lookup.SimpleProxyLookup.checkLookup(SimpleProxyLookup.java:89)
	at org.openide.util.lookup.SimpleProxyLookup.access$000(SimpleProxyLookup.java:36)
	at org.openide.util.lookup.SimpleProxyLookup$ProxyResult.checkResult(SimpleProxyLookup.java:161)
	at org.openide.util.lookup.SimpleProxyLookup$ProxyResult.allItems(SimpleProxyLookup.java:241)
	at org.openide.actions.SaveAsAction.resultChanged(SaveAsAction.java:139)
	at org.openide.actions.SaveAsAction.propertyChange(SaveAsAction.java:189)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
	at org.netbeans.core.windows.RegistryImpl.doFirePropertyChange(RegistryImpl.java:292)
	at org.netbeans.core.windows.RegistryImpl.tryFireChanges(RegistryImpl.java:265)
	at org.netbeans.core.windows.RegistryImpl.selectedNodesChanged(RegistryImpl.java:211)
	at org.netbeans.core.windows.RegistryImpl.topComponentActivated(RegistryImpl.java:148)
	at org.netbeans.core.windows.WindowManagerImpl.notifyRegistryTopComponentActivated(WindowManagerImpl.java:972)
	at org.netbeans.core.windows.Central.setActiveMode(Central.java:208)
	at org.netbeans.core.windows.Central.userActivatedMode(Central.java:1734)
	at org.netbeans.core.windows.view.DefaultView.userActivatedModeView(DefaultView.java:593)
	at org.netbeans.core.windows.view.ui.TabbedHandler$ActivationManager.handleActivation(TabbedHandler.java:464)
	at org.netbeans.core.windows.view.ui.TabbedHandler$ActivationManager.eventDispatched(TabbedHandler.java:411)
	at java.awt.Toolkit$SelectiveAWTEventListener.eventDispatched(Toolkit.java:2360)
	at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2252)
	at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2251)
	at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2251)
	at java.awt.Toolkit.notifyAWTEventListeners(Toolkit.java:2210)
	at java.awt.Component.dispatchEventImpl(Component.java:4308)
	at java.awt.Container.dispatchEventImpl(Container.java:2116)
	at java.awt.Component.dispatchEvent(Component.java:4240)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3983)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
	at java.awt.Container.dispatchEventImpl(Container.java:2102)
	at java.awt.Window.dispatchEventImpl(Window.java:2429)
	at java.awt.Component.dispatchEvent(Component.java:4240)
[catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)