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This artifact provides a single jar that contains all classes required to use remote Jakarta Enterprise Beans and Jakarta Messaging, including all dependencies. It is intended for use by those not using maven, maven users should just import the Jakarta Enterprise Beans and Jakarta Messaging BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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package org.jgroups.tests;

import java.io.IOException;
import java.net.*;
import java.nio.channels.DatagramChannel;
import java.nio.channels.MembershipKey;

/**
 * @author Bela Ban
 * @since x.y
 */
public class bla2 {

    public static void main(String[] args) throws Exception {




        NetworkInterface ni = NetworkInterface.getByInetAddress(InetAddress.getLocalHost());

        DatagramChannel dc = DatagramChannel.open(StandardProtocolFamily.INET)
          .setOption(StandardSocketOptions.SO_REUSEADDR, true)
          .bind(new InetSocketAddress(5000));
          // .setOption(StandardSocketOptions.IP_MULTICAST_IF, ni);

        InetAddress group = InetAddress.getByName("225.4.5.6");

        MembershipKey key = dc.join(group, ni);


        System.out.println("key = " + key);



       /*
        InetAddress group=InetAddress.getByName("239.5.5.5");
        InetAddress bind_addr=InetAddress.getLocalHost();


        MulticastSocket sock=new MulticastSocket(new InetSocketAddress(6789));
        sock.setInterface(bind_addr);
        sock.joinGroup(group);



        Reader reader=new Reader(sock);
        Thread t=new Thread(reader);
        t.start();

        while(true) {
            String line=Util.readStringFromStdin("> ");
            if(line == null || line.isEmpty())
                continue;
            byte[] buf=line.getBytes();
            DatagramPacket packet=new DatagramPacket(buf, 0, buf.length, group, 6789);
            sock.send(packet);
        }*/
    }


    protected static final class Reader implements Runnable {
        protected final MulticastSocket s;

        public Reader(MulticastSocket s) {
            this.s=s;
        }

        public void run() {
            byte[] buf=new byte[0xff];
            while(!s.isClosed()) {
                DatagramPacket p=new DatagramPacket(buf, 0, buf.length);
                try {
                    s.receive(p);
                    String line=new String(p.getData(), p.getOffset(), p.getLength());
                    System.out.printf(">> %s\n", line);
                }
                catch(IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }


}