java.lang.ClassNotFoundException: com.sun.tools.debugger.dbxgui.utils.CESRedirector
   at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
Caused: java.lang.ClassNotFoundException: com.sun.tools.debugger.dbxgui.utils.CESRedirector starting from SystemClassLoader[295 modules] with possible defining loaders [ModuleCL@3c0737[com.sun.tools.debugger.dbxgui]] and declared parents [ModuleCL@11f1f12[org.netbeans.modules.updatecenters], ModuleCL@1a76fdd[org.netbeans.modules.team.kit], ModuleCL@1cee0c8[org.netbeans.modules.editor.bracesmatching], ModuleCL@6dcfde[org.netbeans.modules.editor.macros], ModuleCL@1cb2dd1[org.netbeans.modules.cnd.script], ModuleCL@15cc135[org.netbeans.modules.utilities], ModuleCL@17777a1[org.netbeans.modules.reglib], ModuleCL@10936a1[org.netbeans.modules.cnd.repository.api], ModuleCL@20224a[org.netbeans.modules.dlight.tools], ModuleCL@d5e270[org.netbeans.modules.css.visual], ModuleCL@13eb2bc[org.netbeans.modules.spellchecker.apimodule], ModuleCL@1292d12[org.openide.io], ModuleCL@a96863[org.netbeans.modules.queries], ModuleCL@17366cb[org.netbeans.modules.dlight.msa], ModuleCL@18efd7c[org.netbeans.modules.dlight.kit], ModuleCL@5b701a[org.
   at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:264)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
   at java.lang.Class.forName0(Class.java:0)
   at java.lang.Class.forName(Class.java:247)
   at org.openide.util.lookup.MetaInfServicesLookup.search(MetaInfServicesLookup.java:285)
   at org.openide.util.lookup.MetaInfServicesLookup.beforeLookup(MetaInfServicesLookup.java:144)
   at org.openide.util.lookup.AbstractLookup$R.beforeLookup(AbstractLookup.java:1127)
   at org.openide.util.lookup.ProxyLookup$R.myBeforeLookup(ProxyLookup.java:666)
   at org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:520)
   at org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:491)
   at org.openide.util.Lookup.lookupAll(Lookup.java:263)
   at org.openide.text.CloneableEditorSupportRedirector.findRedirect(CloneableEditorSupportRedirector.java:60)
   at org.openide.text.CloneableEditorSupport.isModified(CloneableEditorSupport.java:957)
   at org.openide.text.DataEditorSupport.messageHtmlName(DataEditorSupport.java:270)
   at org.openide.text.CloneableEditor$2.run(CloneableEditor.java:1019)
   at org.openide.util.Mutex.doEvent(Mutex.java:1341)
   at org.openide.util.Mutex.writeAccess(Mutex.java:455)
   at org.openide.text.CloneableEditor.updateName(CloneableEditor.java:1016)
   at org.openide.text.CloneableEditor.readExternal(CloneableEditor.java:1122)
   at org.openide.windows.TopComponent$Replacer.readObject(TopComponent.java:1600)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
   at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)
   at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
   at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
   at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
   at org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.readSerial(XMLSettingsSupport.java:547)
   at org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.instanceCreate(XMLSettingsSupport.java:579)
   at org.netbeans.modules.settings.convertors.SerialDataConvertor$SettingsInstance.instanceCreate(SerialDataConvertor.java:423)
   at org.netbeans.core.windows.persistence.PersistenceManager.getTopComponentPersistentForID(PersistenceManager.java:533)
   at org.netbeans.core.windows.persistence.PersistenceManager.getTopComponentForID(PersistenceManager.java:643)
   at org.netbeans.core.windows.PersistenceHandler.getTopComponentForID(PersistenceHandler.java:460)
   at org.netbeans.core.windows.PersistenceHandler.load(PersistenceHandler.java:148)
   at org.netbeans.core.windows.WindowSystemImpl.load(WindowSystemImpl.java:73)
   at org.netbeans.core.GuiRunLevel$2.run(GuiRunLevel.java:181)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:137)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)