IFile defaultFacesConfig = warSourceDir.getFile(facesConfigPath);
IFolder generatedWebResourcesFolder = ProjectUtils.getGeneratedWebResourcesFolder(mavenProject, project);
IFile generatedFacesConfig = generatedWebResourcesFolder.getFile(facesConfigPath);
ResourceCleaner cleaner = new ResourceCleaner(project);
cleaner.addFolder(warSourceDir.getFolder("WEB-INF/lib")); //$NON-NLS-1$
cleaner.addFiles(defaultFacesConfig, generatedFacesConfig);
IStatus status = facetVersion.getConstraint().check(fproj.getProjectFacets());
try {
if (status.isOK()) {