initial_hosts=createInitialHosts(str);
try { initial_hosts=createInitialHosts(str); } catch(UnknownHostException ex) { if(log.isErrorEnabled()) log.error("failed creating initial hosts", ex); return false; }
    public boolean setProperties(Properties props) {        String str;        str=props.getProperty("gossip_refresh_rate");  // wait for at most n members        if(str != null) {            gossip_refresh_rate=Integer.parseInt(str);            props.remove("gossip_refresh_rate");        }        str=props.getProperty("initial_hosts");        if(str != null) {            props.remove("initial_hosts");            initial_hosts=createInitialHosts(str);        }        if(initial_hosts == null || initial_hosts.size() == 0) {            if(log.isErrorEnabled()) log.error("initial_hosts must contain the address of at least one GossipServer");            return false;        }        return super.setProperties(props);    }