I can't get JMS example work with Eclipse

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Java

I'm using Eclipse and when I try to build the JMS example included in j2ee tutorial, it return a NullPointerException at this:

connection = connectionFactory.createConnection();

Here's the code of that example:

import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.Queue;
import javax.jms.Topic;
import javax.jms.Connection;
import javax.jms.Session;
import javax.jms.MessageProducer;
import javax.jms.TextMessage;
import javax.jms.JMSException;
import javax.annotation.Resource;

public class Producer {
    @Resource(lookup = "jms/ConnectionFactory")
    private static ConnectionFactory connectionFactory;
    @Resource(lookup = "jms/Queue")
    private static Queue queue;
    @Resource(lookup = "jms/Topic")
    private static Topic topic;

    public static void main(String[] args) {
        final int NUM_MSGS;
        Connection connection = null;

        if ((args.length < 1) || (args.length > 2)) {
            System.err.println(
                    "Program takes one or two arguments: "
                    + "<dest_type> [<number-of-messages>]");
            System.exit(1);
        }

        String destType = args[0];
        System.out.println("Destination type is " + destType);

        if (!(destType.equals("queue") || destType.equals("topic"))) {
            System.err.println("Argument must be \"queue\" or " + "\"topic\"");
            System.exit(1);
        }

        if (args.length == 2) {
            NUM_MSGS = (new Integer(args[1])).intValue();
        } else {
            NUM_MSGS = 1;
        }

        Destination dest = null;

        try {
            if (destType.equals("queue")) {
                dest = (Destination) queue;
            } else {
                dest = (Destination) topic;
            }
        } catch (Exception e) {
            System.err.println("Error setting destination: " + e.toString());
            e.printStackTrace();
            System.exit(1);
        }

        try {
            connection = connectionFactory.createConnection();

            Session session = connection.createSession(
                        false,
                        Session.AUTO_ACKNOWLEDGE);

            MessageProducer producer = session.createProducer(dest);
            TextMessage message = session.createTextMessage();

            for (int i = 0; i < NUM_MSGS; i++) {
                message.setText(
                        "This is message " + (i + 1) + " from producer");
                System.out.println("Sending message: " + message.getText());
                producer.send(message);
            }

            producer.send(session.createMessage());
        } catch (JMSException e) {
            System.err.println("Exception occurred: " + e.toString());
        } finally {
            if (connection != null) {
                try {
                    connection.close();
                } catch (JMSException e) {
                }
            }
        }
    }
}</number-of-messages></dest_type>

if I use jndi, it works fine. This example worked in Netbeans. Can anyone help me to get it work with Eclipse?