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:1093) at org.netbeans.modules.visualweb.insync.Model.sync(Model.java:219) at org.netbeans.modules.visualweb.insync.models.FacesModelSet.getFacesModel(FacesModelSet.java:634) at org.netbeans.modules.visualweb.designer.jsf.JsfForm.getFacesModel(JsfForm.java:288) at org.netbeans.modules.visualweb.designer.jsf.JsfForm.getFacesModel(JsfForm.java:298) Caused: java.lang.IllegalStateException: FacesModel was not loaded for DataObject, dataObject=org.netbeans.modules.visualweb.project.jsfloader.JsfJspDataObject@11e49aa[D:\dev\WebCheckInOut\WebCheckInWeb\web\changeRoomSelection.jsp] at org.netbeans.modules.visualweb.designer.jsf.JsfForm.loadFacesModel(JsfForm.java:3020) at org.netbeans.modules.visualweb.designer.jsf.JsfForm.access$000(JsfForm.java:131) at org.netbeans.modules.visualweb.designer.jsf.JsfForm$1.modelSetAdded(JsfForm.java:369) at org.netbeans.modules.visualweb.insync.ModelSet.fireModelSetAdded(ModelSet.java:179) at org.netbeans.modules.visualweb.insync.ModelSet.getInstance(ModelSet.java:255) at org.netbeans.modules.visualweb.insync.ModelSet$1.run(ModelSet.java:217) at java.lang.Thread.run(Thread.java:619)