Usecase usecase = null;
try {
usecaseResolver = (UsecaseResolver) this.manager.lookup(UsecaseResolver.ROLE);
usecase = usecaseResolver.resolve(webappUri, usecaseName);
if (usecase.getView() != null) {
Tab tab = usecase.getView().getTab();
if (tab != null) {
tabGroup = tab.getGroup();
}
}
} catch (ServiceException e) {
throw new ProcessingException(e);
} finally {