*** ERROR ***: Thu May 21 09:01:50 GMT 2009    java.lang.NullPointerException
    	at org.eclipse.wst.xml.core.internal.document.XMLModelUpdater.replaceSource(XMLModelUpdater.java:1608)
    	at org.eclipse.wst.xml.core.internal.document.XMLModelUpdater.replaceChild(XMLModelUpdater.java:1566)
    	at org.eclipse.wst.xml.core.internal.document.DOMModelImpl.childReplaced(DOMModelImpl.java:188)
    	at org.eclipse.wst.xml.core.internal.document.NodeContainer.notifyChildReplaced(NodeContainer.java:357)
    	at org.eclipse.wst.xml.core.internal.document.NodeContainer.insertBefore(NodeContainer.java:298)
    	at org.eclipse.wst.xml.core.internal.document.ElementImpl.insertBefore(ElementImpl.java:693)
    	at org.eclipse.wst.common.internal.emf.utilities.DOMUtilities.insertBeforeNode(DOMUtilities.java:356)
    	at org.eclipse.wst.common.internal.emf.utilities.DOMUtilities.insertBeforeNodeAndWhitespace(DOMUtilities.java:381)
    	at org.eclipse.wst.common.internal.emf.resource.EMF2DOMAdapterImpl.primUpdateDOMMultiFeature(EMF2DOMAdapterImpl.java:349)
    	at org.eclipse.wst.common.internal.emf.resource.EMF2DOMAdapterImpl.primUpdateDOMMultiFeature(EMF2DOMAdapterImpl.java:1350)
    	at org.eclipse.wst.common.internal.emf.resource.EMF2DOMAdapterImpl.updateDOMMultiFeature(EMF2DOMAdapterImpl.java:1602)
    	at org.eclipse.wst.common.internal.emf.resource.EMF2DOMAdapterImpl.updateDOMFeature(EMF2DOMAdapterImpl.java:1541)
    	at org.eclipse.wst.common.internal.emf.resource.EMF2DOMAdapterImpl.primUpdateDOM(EMF2DOMAdapterImpl.java:924)
    	at org.eclipse.wst.xml.core.internal.emf2xml.EMF2DOMSSEAdapter.updateDOM(EMF2DOMSSEAdapter.java:422)
    	at org.eclipse.wst.common.internal.emf.resource.EMF2DOMAdapterImpl.primUpdateDOMMultiFeature(EMF2DOMAdapterImpl.java:358)
    	at org.eclipse.wst.common.internal.emf.resource.EMF2DOMAdapterImpl.updateDOMRootFeature(EMF2DOMAdapterImpl.java:944)
    	at org.eclipse.wst.common.internal.emf.resource.EMF2DOMAdapterImpl.primUpdateDOM(EMF2DOMAdapterImpl.java:920)
    	at org.eclipse.wst.xml.core.internal.emf2xml.EMF2DOMSSEAdapter.updateDOM(EMF2DOMSSEAdapter.java:422)
    	at org.eclipse.wst.common.internal.emf.resource.EMF2DOMRenderer.createDOMTree(EMF2DOMRenderer.java:129)
    	at org.eclipse.wst.xml.core.internal.emf2xml.EMF2DOMSSERenderer.createDOMTreeIfNecessary(EMF2DOMSSERenderer.java:199)
    	at org.eclipse.wst.xml.core.internal.emf2xml.EMF2DOMSSERenderer.doSave(EMF2DOMSSERenderer.java:256)
    	at org.eclipse.wst.common.internal.emf.resource.TranslatorResourceImpl.doSave(TranslatorResourceImpl.java:180)
    	at org.eclipse.wst.common.internal.emf.resource.TranslatorResourceImpl.save(TranslatorResourceImpl.java:160)
    	at org.eclipse.wst.common.internal.emf.resource.ReferencedXMIResourceImpl.saveIfNecessary(ReferencedXMIResourceImpl.java:272)
    	at org.eclipse.jst.j2ee.web.componentcore.util.WebArtifactEdit.addWebAppIfNecessary(WebArtifactEdit.java:449)
    	at org.eclipse.jst.j2ee.web.componentcore.util.WebArtifactEdit.createModelRoot(WebArtifactEdit.java:510)
    	at org.eclipse.jst.j2ee.web.componentcore.util.WebArtifactEdit.createDeploymentDescriptor(WebArtifactEdit.java:655)
    	at org.eclipse.jst.j2ee.web.project.facet.WebFacetInstallDelegate.execute(WebFacetInstallDelegate.java:125)
    	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.callDelegate(FacetedProject.java:1394)
    	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.modifyInternal(FacetedProject.java:401)
    	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.mergeChangesInternal(FacetedProject.java:1134)
    	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.access$2(FacetedProject.java:1070)
    	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject$1.run(FacetedProject.java:309)
    	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1800)
    	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.modify(FacetedProject.java:319)
    	at org.eclipse.jst.ws.internal.consumption.common.FacetUtils$1.run(FacetUtils.java:778)
    	at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)