java.lang.IllegalStateException: [Winsys] TopComponent org.netbeans.core.multiview.MultiViewCloneableTopComponent throws exception/error from its componentOpened() method. Please repair it! Probable cause is at org.netbeans.modules.visualweb.designer.markup.RaveDocumentBuilderFactory.createDocumentBuilder(RaveDocumentBuilderFactory.java:146) at org.openide.windows.WindowManager.logThrowable(WindowManager.java:361) at org.openide.windows.WindowManager.componentOpenNotify(WindowManager.java:300) at org.netbeans.core.windows.WindowManagerImpl.notifyTopComponentOpened(WindowManagerImpl.java:976) at org.netbeans.core.windows.Central.addModeOpenedTopComponent(Central.java:764) at org.netbeans.core.windows.ModeImpl.addOpenedTopComponent(ModeImpl.java:311) at org.netbeans.core.windows.WindowManagerImpl.topComponentOpenAtTabPosition(WindowManagerImpl.java:1084) at org.netbeans.core.windows.WindowManagerImpl.topComponentOpen(WindowManagerImpl.java:1051) at org.openide.windows.TopComponent.open(TopComponent.java:384) at org.openide.windows.TopComponent.open(TopComponent.java:375) at org.openide.windows.CloneableOpenSupport.openCloneableTopComponent(CloneableOpenSupport.java:199) at org.netbeans.modules.visualweb.project.jsfloader.JsfJavaEditorSupport.access$000(JsfJavaEditorSupport.java:121) at org.netbeans.modules.visualweb.project.jsfloader.JsfJavaEditorSupport$2.run(JsfJavaEditorSupport.java:186) at org.openide.util.Mutex.doEvent(Mutex.java:1335) at org.openide.util.Mutex.writeAccess(Mutex.java:452) at org.netbeans.modules.visualweb.project.jsfloader.JsfJavaEditorSupport.open(JsfJavaEditorSupport.java:184) at org.netbeans.modules.visualweb.project.jsfloader.JsfJavaDataObject$OpenEdit.open(JsfJavaDataObject.java:261) at org.openide.actions.OpenAction.performAction(OpenAction.java:81) at org.openide.util.actions.NodeAction$DelegateAction$1.run(NodeAction.java:581) at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:77) at org.openide.util.actions.NodeAction$DelegateAction.actionPerformed(NodeAction.java:577) at org.openide.explorer.view.TreeView$PopupSupport.mouseClicked(TreeView.java:1504) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:253) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:252) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:252) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:252) at java.awt.Component.processMouseEvent(Component.java:6041) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5803) at java.awt.Container.processEvent(Container.java:2058) at java.awt.Component.dispatchEventImpl(Component.java:4410) at java.awt.Container.dispatchEventImpl(Container.java:2116) at java.awt.Component.dispatchEvent(Component.java:4240) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3995) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916) at java.awt.Container.dispatchEventImpl(Container.java:2102) at java.awt.Window.dispatchEventImpl(Window.java:2429) at java.awt.Component.dispatchEvent(Component.java:4240) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160) at java.awt.EventDispatchThread.run(EventDispatchThread.java:121) 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.LiveUnit.sync(LiveUnit.java:337) at org.netbeans.modules.visualweb.insync.live.LiveUnitWrapper.getLiveUnit(LiveUnitWrapper.java:114) at org.netbeans.modules.visualweb.insync.models.FacesModel.getLiveUnit(FacesModel.java:597) at org.netbeans.modules.visualweb.designer.jsf.JsfForm.initDesignProjectListening(JsfForm.java:733) at org.netbeans.modules.visualweb.designer.jsf.JsfForm.initListening(JsfForm.java:270) at org.netbeans.modules.visualweb.designer.jsf.JsfForm.init(JsfForm.java:241) at org.netbeans.modules.visualweb.designer.jsf.JsfForm.(JsfForm.java:225) at org.netbeans.modules.visualweb.designer.jsf.JsfForm.getJsfForm(JsfForm.java:332) at org.netbeans.modules.visualweb.designer.jsf.DesignerJsfServiceImpl.createDesignerMultiViewElement(DesignerJsfServiceImpl.java:70) at org.netbeans.modules.visualweb.project.jsfloader.JsfJavaEditorSupport$DesignerDesc.createElement(JsfJavaEditorSupport.java:561) at org.netbeans.core.multiview.MultiViewModel.getElementForDescription(MultiViewModel.java:206) at org.netbeans.core.multiview.MultiViewModel.getActiveElement(MultiViewModel.java:127) at org.netbeans.core.multiview.MultiViewModel.getActiveElement(MultiViewModel.java:123) at org.netbeans.core.multiview.MultiViewPeer.showCurrentElement(MultiViewPeer.java:272) at org.netbeans.core.multiview.MultiViewPeer.peerComponentOpened(MultiViewPeer.java:233) at org.netbeans.core.multiview.MultiViewCloneableTopComponent.componentOpened(MultiViewCloneableTopComponent.java:139) at org.openide.windows.WindowManager.componentOpenNotify(WindowManager.java:298) at org.netbeans.core.windows.WindowManagerImpl.notifyTopComponentOpened(WindowManagerImpl.java:976) at org.netbeans.core.windows.Central.addModeOpenedTopComponent(Central.java:764) at org.netbeans.core.windows.ModeImpl.addOpenedTopComponent(ModeImpl.java:311) at org.netbeans.core.windows.WindowManagerImpl.topComponentOpenAtTabPosition(WindowManagerImpl.java:1084) at org.netbeans.core.windows.WindowManagerImpl.topComponentOpen(WindowManagerImpl.java:1051) at org.openide.windows.TopComponent.open(TopComponent.java:384) at org.openide.windows.TopComponent.open(TopComponent.java:375) at org.openide.windows.CloneableOpenSupport.openCloneableTopComponent(CloneableOpenSupport.java:199) at org.netbeans.modules.visualweb.project.jsfloader.JsfJavaEditorSupport.access$000(JsfJavaEditorSupport.java:121) at org.netbeans.modules.visualweb.project.jsfloader.JsfJavaEditorSupport$2.run(JsfJavaEditorSupport.java:186) at org.openide.util.Mutex.doEvent(Mutex.java:1335) at org.openide.util.Mutex.writeAccess(Mutex.java:452) at org.netbeans.modules.visualweb.project.jsfloader.JsfJavaEditorSupport.open(JsfJavaEditorSupport.java:184) at org.netbeans.modules.visualweb.project.jsfloader.JsfJavaDataObject$OpenEdit.open(JsfJavaDataObject.java:261) at org.openide.actions.OpenAction.performAction(OpenAction.java:81) at org.openide.util.actions.NodeAction$DelegateAction$1.run(NodeAction.java:581) at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:77) at org.openide.util.actions.NodeAction$DelegateAction.actionPerformed(NodeAction.java:577) at org.openide.explorer.view.TreeView$PopupSupport.mouseClicked(TreeView.java:1504) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:253) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:252) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:252) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:252) at java.awt.Component.processMouseEvent(Component.java:6041) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5803) at java.awt.Container.processEvent(Container.java:2058) at java.awt.Component.dispatchEventImpl(Component.java:4410) at java.awt.Container.dispatchEventImpl(Container.java:2116) at java.awt.Component.dispatchEvent(Component.java:4240) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3995) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916) at java.awt.Container.dispatchEventImpl(Container.java:2102) at java.awt.Window.dispatchEventImpl(Window.java:2429) at java.awt.Component.dispatchEvent(Component.java:4240) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160) at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)