java.lang.InstantiationException: org.netbeans.core.multiview.ContextAwareDescription
   at java.lang.Class.newInstance(Class.java:359)
   at org.netbeans.modules.editor.mimelookup.impl.FolderPathLookup$FOItem.createInstanceFor(FolderPathLookup.java:238)
   at org.netbeans.modules.editor.mimelookup.impl.FolderPathLookup$FOItem.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$1.hasNext(ProxyLookup.java:1247)
   at org.netbeans.core.multiview.MultiViewPeer.setMimeLookup(MultiViewPeer.java:160)
   at org.netbeans.core.multiview.MultiViewPeer.peerReadExternal(MultiViewPeer.java:689)
   at org.netbeans.core.multiview.MultiViewCloneableTopComponent.readExternal(MultiViewCloneableTopComponent.java:266)
   at org.openide.windows.TopComponent$Replacer.readObject(TopComponent.java:1859)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
   at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
   at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
   at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
   at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
   at org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.readSerial(XMLSettingsSupport.java:571)
   at org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.instanceCreate(XMLSettingsSupport.java:603)
   at org.netbeans.modules.settings.convertors.SerialDataConvertor$SettingsInstance.instanceCreate(SerialDataConvertor.java:426)
   at org.netbeans.core.windows.persistence.PersistenceManager.getTopComponentPersistentForID(PersistenceManager.java:571)
   at org.netbeans.core.windows.persistence.PersistenceManager.getTopComponentForID(PersistenceManager.java:681)
   at org.netbeans.core.windows.PersistenceHandler.getTopComponentForID(PersistenceHandler.java:478)
   at org.netbeans.core.windows.LazyLoader.loadNow(LazyLoader.java:158)
   at org.netbeans.core.windows.LazyLoader.access$400(LazyLoader.java:62)
   at org.netbeans.core.windows.LazyLoader$2.run(LazyLoader.java:129)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
   at java.awt.EventQueue.access$200(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:694)
   at java.awt.EventQueue$3.run(EventQueue.java:692)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)