java.lang.NoSuchMethodException: org.netbeans.core.multiview.ContextAwareDescription.() at java.lang.Class.getConstructor0(Class.java:2971) Caused: java.lang.InstantiationException: org.netbeans.core.multiview.ContextAwareDescription at java.lang.Class.newInstance(Class.java:418) at org.netbeans.modules.editor.mimelookup.impl.FolderPathLookup$InstanceItem.createInstanceFor(FolderPathLookup.java:348) at org.netbeans.modules.editor.mimelookup.impl.FolderPathLookup$InstanceItem.getInstance(FolderPathLookup.java:281) at org.netbeans.modules.editor.mimelookup.impl.FolderPathLookup$PairItem.getInstance(FolderPathLookup.java:169) at org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:1055) at org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:1035) at org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1281) at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1119) at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1086) at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1069) at org.openide.util.lookup.ProxyLookup$LazyCollection.isEmpty(ProxyLookup.java:1159) at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1130) at org.openide.util.lookup.ProxyLookup$LazyCollection.access$900(ProxyLookup.java:1047) at org.openide.util.lookup.ProxyLookup$LazyCollection$1.hasNext(ProxyLookup.java:1247) at org.netbeans.core.multiview.MultiViewPeer.setMimeLookup(MultiViewPeer.java:160) at org.netbeans.core.multiview.MultiViewCloneableTopComponent.setMimeLookup(MultiViewCloneableTopComponent.java:101) at org.netbeans.core.api.multiview.MultiViews.createCloneableMultiView(MultiViews.java:119) at org.netbeans.modules.html.HtmlEditorSupport.createPane(HtmlEditorSupport.java:149) at org.openide.text.CloneableEditorSupport.createCloneableTopComponent(CloneableEditorSupport.java:1058) at org.openide.windows.CloneableOpenSupport.openCloneableTopComponent(CloneableOpenSupport.java:206) at org.openide.windows.CloneableOpenSupport$1.run(CloneableOpenSupport.java:107) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:744) at java.awt.EventQueue.access$400(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:697) at java.awt.EventQueue$3.run(EventQueue.java:691) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.awt.EventQueue.dispatchEvent(EventQueue.java:714) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)