Caused: java.io.InvalidObjectException: Deserialized component is invalid: org.netbeans.modules.cnd.loaders.CppEditorSupport$CppEditorComponent[newfile.hi,0,0,0x0,invalid,alignmentX=0.0,alignmentY=0.0,border=,flags=256,maximumSize=,minimumSize=,preferredSize=]
        at org.openide.text.CloneableEditor.readResolve(CloneableEditor.java:758)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.openide.windows.TopComponent$Replacer.readObject(TopComponent.java:1460)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:946)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1809)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1719)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)
        at org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.readSerial(XMLSettingsSupport.java:542)
        at org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.instanceCreate(XMLSettingsSupport.java:574)
        at org.netbeans.modules.settings.convertors.SerialDataConvertor$SettingsInstance.instanceCreate(SerialDataConvertor.java:415)
[catch] at org.netbeans.core.windows.persistence.PersistenceManager.getTopComponentPersistentForID(PersistenceManager.java:531)
        at org.netbeans.core.windows.persistence.PersistenceManager.getTopComponentForID(PersistenceManager.java:639)
        at org.netbeans.core.windows.PersistenceHandler.getTopComponentForID(PersistenceHandler.java:422)
        at org.netbeans.core.windows.PersistenceHandler.load(PersistenceHandler.java:147)
        at org.netbeans.core.windows.WindowSystemImpl.load(WindowSystemImpl.java:69)
        at org.netbeans.core.NonGui$2.run(NonGui.java:188)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
Content: 
<?xml version="1.0"?>
<!DOCTYPE settings PUBLIC "-//NetBeans//DTD Session settings 1.0//EN" "http://www.netbeans.org/dtds/sessionsettings-1_0.dtd">
<settings version="1.0">
    <module name="org.netbeans.modules.cnd/1" spec="1.4"/>
    <instanceof class="java.awt.Component"/>
    <instanceof class="java.awt.Container"/>
    <instanceof class="java.awt.MenuContainer"/>
    <instanceof class="java.awt.image.ImageObserver"/>
    <instanceof class="java.io.Externalizable"/>
    <instanceof class="java.io.Serializable"/>
    <instanceof class="java.lang.Object"/>
    <instanceof class="javax.accessibility.Accessible"/>
    <instanceof class="javax.swing.JComponent"/>
    <instanceof class="org.netbeans.modules.cnd.loaders.CppEditorSupport$CppEditorComponent"/>
    <instanceof class="org.openide.text.CloneableEditor"/>
    <instanceof class="org.openide.text.CloneableEditorSupport$Pane"/>
    <instanceof class="org.openide.util.HelpCtx$Provider"/>
    <instanceof class="org.openide.util.Lookup$Provider"/>
    <instanceof class="org.openide.windows.CloneableTopComponent"/>
    <instanceof class="org.openide.windows.TopComponent"/>
    <instanceof class="org.openide.windows.TopComponent$Cloneable"/>
    <serialdata class="org.netbeans.modules.cnd.loaders.CppEditorSupport$CppEditorComponent">
        ACED0005737200296F72672E6F70656E6964652E77696E646F77732E546F70436F6D706F6E656E74245265706C6163657284
        874494BDDF6D6403000078707400446F72672E6E65746265616E732E6D6F64756C65732E636E642E6C6F61646572732E4370
        70456469746F72537570706F727424437070456469746F72436F6D706F6E656E747372000F6A6176612E6C616E672E53686F
        7274684D37133460DA5202000153000576616C7565787200106A6176612E6C616E672E4E756D62657286AC951D0B94E08B02
        00007870000177040000000074000A6E657766696C652E68697400382F686F6D652F61733230343733392F4E65744265616E
        7350726F6A656374732F4170706C69636174696F6E5F342F6E657766696C652E686971007E000670737200316F72672E6F70
        656E6964652E77696E646F77732E436C6F6E6561626C654F70656E537570706F7274244C697374656E6572E525E314060C68
        2D0200014C0003656E7674002E4C6F72672F6F70656E6964652F77696E646F77732F436C6F6E6561626C654F70656E537570
        706F727424456E763B7872002D6F72672E6F70656E6964652E77696E646F77732E436C6F6E6561626C65546F70436F6D706F
        6E656E74245265664CED3888AC524ABC02000078707372003D6F72672E6E65746265616E732E6D6F64756C65732E636E642E
        6C6F61646572732E437070456469746F72537570706F727424456E7669726F6E6D656E742A206A6DBFFCE52A020000787200
        266F72672E6F70656E6964652E746578742E44617461456469746F72537570706F727424456E76D720E894A9D2FA27020000
        787200236F72672E6F70656E6964652E6C6F61646572732E4F70656E537570706F727424456E76E525E314060C682D020001
        4C00036F626A7400204C6F72672F6F70656E6964652F6C6F61646572732F446174614F626A6563743B7870737200266F7267
        2E6F70656E6964652E6C6F61646572732E446174614F626A656374245265706C616365F7497413DEEC538E0200014C000266
        6F7400244C6F72672F6F70656E6964652F66696C6573797374656D732F46696C654F626A6563743B78707372004D6F72672E
        6E65746265616E732E6D6F64756C65732E6D617374657266732E66696C65626173656466732E66696C656F626A656374732E
        5265706C616365466F7253657269616C697A6174696F6E98978CE6D3E9619F0200014C000C6162736F6C7574655061746874
        00124C6A6176612F6C616E672F537472696E673B78707400382F686F6D652F61733230343733392F4E65744265616E735072
        6F6A656374732F4170706C69636174696F6E5F342F6E657766696C652E686971007E0010737200116A6176612E6C616E672E
        496E746567657212E2A0A4F781873802000149000576616C75657871007E00040000000078
    </serialdata>
</settings>
ALL [null]: Source: MultiFileObject@9652e4[Windows2Local/Components/newfile.settings]
ALL [null]: Cannot read class: org.netbeans.modules.cnd.loaders.CppEditorSupport$CppEditorComponent