String name = groupE.getAttribute("name");
String name = groupE.getAttribute(GrouperConfig.ATTR_N);
  private Group _processGroupRef(Element groupE, String stem)     throws  GroupNotFoundException  {    Group   group   = null;    String  tagName = groupE.getTagName();    if (!"groupRef".equals(tagName)) {      throw new IllegalStateException(        "Expected tag: <groupRef> but found <" + tagName + ">"      );    }    String name = groupE.getAttribute("name");    if (XmlUtils.isEmpty(name)) {      throw new IllegalStateException(        "Expected 'name' atribute for <groupRef>"      );    }    String actualName = _getAbsoluteName(name, stem);    group             = GroupFinder.findByName(s, actualName);    return group;  } // private Group _processGroupRef(groupE, stem)