JNDI lookup for producer

thufir <hawat.thufir@gmail.com>
Mon, 9 Mar 2015 01:05:17 +0000 (UTC)
How is JNDI used to perform a lookup? the connection parameters in
jndiContext are loaded from jndi.properties, and that's fine.

How do I pass those parameters to jmsProducer or jmsContext?

The producer and consumer are on different JVM's on different machines,
same network.

sample code:

package net.ensode.glassfishbook;

import javax.annotation.Resource;
import javax.jms.ConnectionFactory;
import javax.jms.JMSContext;
import javax.jms.JMSProducer;
import javax.jms.Queue;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;

public class MessageSender {

    @Resource(mappedName = "jms/CrmConnectionFactory")
    // @Resource(mappedName = "jms/GlassFishBookConnectionFactory")
    private static ConnectionFactory connectionFactory;

    @Resource(mappedName = "jms/CrmQueue")
    // @Resource(mappedName = "jms/GlassFishBookQueue")
    private static Queue queue;

    public void produceMessages() throws NamingException {
        Context jndiContext = new InitialContext();
            JMSContext jmsContext = connectionFactory.createContext();
        JMSProducer jmsProducer = jmsContext.createProducer();
        String msg1 = "Testing, 1, 2, 3. Can you hear me?";
        String msg2 = "Do you copy?";
        String msg3 = "Good bye!";
        System.out.println("Sending the following message: "
                + msg1);
        jmsProducer.send(queue, msg1);
        System.out.println("Sending the following message: "
                + msg2);
        jmsProducer.send(queue, msg2);
        System.out.println("Sending the following message: "
                + msg3);
        jmsProducer.send(queue, msg3);

    public static void main(String[] args) throws NamingException {
        new MessageSender().produceMessages();

the sample is from:

Java EE 7 with GlassFish 4 Application Server
By: David R. Heffelfinger


While the above code works when the consumer is on the same JVM and same
machine, how is the remote lookup achieved?



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