public void povoarBack_end() {
   ServerDescription s =new ServerDescription();
   ServerDescription s1=new ServerDescription();
   ServerDescription s2=new ServerDescription();

   this.DESTINATION_HOST[0]=s;

    try {
        s.monitorUDP=new MonitorUDP(this.getDatagramSocket(),s.getSocket(),s.getId());// é aqui que pára
    } catch (SocketException e) {
        e.printStackTrace();
    }
    System.out.println("Teste");
    s.monitorUDP.run();
   this.DESTINATION_HOST[1]=s1;
    try {
        s1.monitorUDP=new MonitorUDP(this.getDatagramSocket(),s1.getSocket(),s1.getId());
    } catch (SocketException e) {
        e.printStackTrace();
    }
    System.out.println("Teste");
    s1.monitorUDP.run();
   this.DESTINATION_HOST[2]=s2;
    try {
        s2.monitorUDP=new MonitorUDP(this.getDatagramSocket(),s2.getSocket(),s2.getId());
    } catch (SocketException e) {
        e.printStackTrace();
    }
    System.out.println("Teste");
    s2.monitorUDP.run();
    System.out.println("Fim");
 }

public class MonitorUDP extends TimerTask implements Runnable {

 private static DatagramSocket datagramSocket = null;
 private static final int port = 5555;
 public String address;
 public Socket s;
 public DatagramSocket fwdS;
 Timer timer;
    private final int id;

   public MonitorUDP(DatagramSocket fwS,Socket s,int id) throws SocketException {
            this.address=s.getInetAddress().toString();
            this.fwdS=fwS;
            this.s=s;
            this.id=id;
  }
   @Override
    public void run() {

        timer = new Timer();
        timer.schedule(new Task_Monitor(fwdS,s,id),1000);

}