error("Can't get available access rule: ",e);
    public Collection getAvailableAccessRules(Admin admin){       Vector returnval = new Vector();       Collection result = null;       try{         result = availableaccessruleshome.findAll();       }catch(Exception e){       }       if(result != null){         Iterator i = result.iterator();         while(i.hasNext()){           AvailableAccessRulesDataLocal data =  (AvailableAccessRulesDataLocal) i.next();           returnval.addElement(data.getName());         }       }       java.util.Collections.sort(returnval);       return returnval;    } // getAvailableAccessRules