ErrorLog.error(Stem.class, E.HIBERNATE + eH.getMessage());
ErrorLog.error(Stem.class, E.STEM_GETCHILDSTEMS + eH.getMessage());
  public Set getChildStems() {    GrouperSession.validate(s);    Set children = new LinkedHashSet();    try {      _initializeChildGroupsAndStems(this);       Iterator iter = this.getChild_stems().iterator();      while (iter.hasNext()) {        Stem child = (Stem) iter.next();        child.setSession(this.getSession());        children.add(child);      }    }    catch (HibernateException eH) {      ErrorLog.error(Stem.class, E.HIBERNATE + eH.getMessage());    }    return children;  } // public Set getChildStems()