java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
        at org.netbeans.modules.visualweb.insync.ModelSet.createInstance(ModelSet.java:269)
        at org.netbeans.modules.visualweb.insync.ModelSet.getInstance(ModelSet.java:250)
        at org.netbeans.modules.visualweb.insync.ModelSet$1.run(ModelSet.java:217)
        at java.lang.Thread.run(Thread.java:619)
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:0)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at org.netbeans.modules.visualweb.insync.ModelSet.createInstance(ModelSet.java:265)
        at org.netbeans.modules.visualweb.insync.ModelSet.getInstance(ModelSet.java:250)
        at org.netbeans.modules.visualweb.insync.ModelSet$1.run(ModelSet.java:217)
        at java.lang.Thread.run(Thread.java:619)
java.lang.NullPointerException
        at org.netbeans.modules.visualweb.designer.markup.RaveDocumentBuilderFactory.createDocumentBuilder(RaveDocumentBuilderFactory.java:146)
        at org.netbeans.modules.visualweb.designer.markup.RaveDocumentBuilderFactory.newDocumentBuilder(RaveDocumentBuilderFactory.java:127)
        at org.netbeans.modules.visualweb.designer.markup.MarkupServiceImpl.createRaveSourceDocumentBuilder(MarkupServiceImpl.java:338)
        at org.netbeans.modules.visualweb.api.designer.markup.MarkupService.createRaveSourceDocumentBuilder(MarkupService.java:235)
        at org.netbeans.modules.visualweb.insync.markup.MarkupUnit.parseDom(MarkupUnit.java:348)
        at org.netbeans.modules.visualweb.insync.markup.MarkupUnit.read(MarkupUnit.java:502)
        at org.netbeans.modules.visualweb.insync.SourceUnit.sync(SourceUnit.java:552)
        at org.netbeans.modules.visualweb.insync.faces.FacesPageUnit.syncSubUnits(FacesPageUnit.java:257)
        at org.netbeans.modules.visualweb.insync.beans.BeansUnit.sync(BeansUnit.java:205)
        at org.netbeans.modules.visualweb.insync.live.LiveUnitWrapper.sync(LiveUnitWrapper.java:152)
        at org.netbeans.modules.visualweb.insync.models.FacesModel.syncImpl(FacesModel.java:1091)
        at org.netbeans.modules.visualweb.insync.Model.sync(Model.java:219)
        at org.netbeans.modules.visualweb.insync.ModelSet.syncAll(ModelSet.java:752)
        at org.netbeans.modules.visualweb.insync.models.FacesModelSet.syncAll(FacesModelSet.java:1486)
        at org.netbeans.modules.visualweb.insync.models.FacesModelSet.doModeling(FacesModelSet.java:537)
        at org.netbeans.modules.visualweb.insync.models.FacesModelSet.<init>(FacesModelSet.java:422)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:0)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at org.netbeans.modules.visualweb.insync.ModelSet.createInstance(ModelSet.java:265)
        at org.netbeans.modules.visualweb.insync.ModelSet.getInstance(ModelSet.java:250)
        at org.netbeans.modules.visualweb.insync.ModelSet$1.run(ModelSet.java:217)
        at java.lang.Thread.run(Thread.java:619)