if ( log.isDebugEnabled() ) { log.debug( "group cache contents after adding " + normName.toString() + ":\n" + groups ); }
    public void groupAdded( String upName, Name normName, Attributes entry ) throws NamingException    {        Attribute members = getMemberAttribute( entry );        if ( members == null )        {            return;        }        Set memberSet = new HashSet( members.size() );        addMembers( memberSet, members );        groups.put( normName.toString(), memberSet );    }