log.error(e);
System.err.println(e);
    public static void main(String args[]) {        ViewDemo t=new ViewDemo();        boolean use_additional_data=false;        String props="UDP(mcast_addr=224.0.0.35;mcast_port=45566;ip_ttl=32;" +                "mcast_send_buf_size=150000;mcast_recv_buf_size=80000):" +                "PING(timeout=2000;num_initial_members=3):" +                "MERGE2(min_interval=5000;max_interval=10000):" +                "FD_SOCK:" +                "VERIFY_SUSPECT(timeout=1500):" +                "pbcast.NAKACK(gc_lag=50;retransmit_timeout=300,600,1200,2400,4800):" +                "UNICAST(timeout=600,1200,2400):" +                "pbcast.STABLE(desired_avg_gossip=20000):" +                "FRAG(frag_size=4096;down_thread=false;up_thread=false):" +                "pbcast.GMS(join_timeout=5000;join_retry_timeout=2000;" +                "shun=false;print_local_addr=true)";        /*          String props="TCP(start_port=7800):" +          "TCPPING(initial_hosts=66.87.163.92[7800];port_range=2;" +          "timeout=5000;num_initial_members=3;up_thread=true;down_thread=true):" +          "VERIFY_SUSPECT(timeout=1500):" +          "pbcast.STABLE(desired_avg_gossip=200000;down_thread=false;up_thread=false):"+          "pbcast.NAKACK(down_thread=true;up_thread=true;gc_lag=100;retransmit_timeout=3000):" +          "pbcast.GMS(join_timeout=5000;join_retry_timeout=2000;shun=false;" +          "print_local_addr=true;down_thread=true;up_thread=true)";        */        for(int i=0; i < args.length; i++) {            if("-help".equals(args[i])) {                help();                return;            }            if("-props".equals(args[i])) {                props=args[++i];                continue;            }            if("-use_additional_data".equals(args[i])) {                use_additional_data=new Boolean(args[++i]).booleanValue();                continue;            }            help();            return;        }        try {            t.start(props, use_additional_data);        }        catch(Exception e) {            log.error(e);        }    }