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Message-ID: <43BBC061.1040102@datacom-telematica.com.br>
Date: Wed, 04 Jan 2006 10:32:33 -0200
From: Datacom - Marcelo <marcelo@datacom-telematica.com.br>
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To: activemq-users@geronimo.apache.org,
 activemq-dev@geronimo.apache.org
Subject: another problem with sender/subscriber
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I just did more tests with these samples now only with windows arch. (3 
computers 2 xp professional 1 2003 server).
I did 2 tests one the broker runs in 2003 server and the other the 
broker runs in a xp professional. In both when I send a message from 
windows 2003 server all 3 subscribers receive that message but when a I 
send a message from windows XP, only the 2 windows xp receives that 
message.

There is no firewall enabled in any computer. I'm sending a copy of this 
mail  to devel-mailing list because I believe that may be a bug (In the 
code I wrote or in activemq). The only conclusion I get is that may be 
an architecture dependant problem as we can see in all these tests in 
Solaris, Win2k, XP and 2003 server.


Marcelo

-----------------------------------------

Hi, as I told I write 2 small classes to demonstrate what is happening 
here. The scenario is composed by 3 computers, one running 
activemq-server (last stable version) in windows 2000 professional,  one 
running solaris 8 and ond running windows xp professional. Java 5_04 is 
used to run the codes.

I've created a common topic, a simple selector and I'd published a 
message to all three subscribers from one computer at a time. Here is 
the results:

When win 2k publishes:
solaris receives,
windows xp does not,
win2k receives (itself)
------------------------
When solaris publishes:
solaris receives (itself),
windows xp does not,
win2k receives
------------------
When windows xp publishes:
solaris receives,
windows xp receives (it self),
win2k receives

I sent attached the classes I used to run the tests, I may be doing 
something wrong but this same tests run fine with OpenJMS and they are 
so simple.
Just have to pass the openJMS server ip as parameter and the message is 
published or topic subscriber.

Thanks in advance,


-- 
MARCELO Ribeiro


-- 
MARCELO Ribeiro


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 name="Mreceiver.java"
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//package a;

import java.util.Hashtable;

import javax.jms.*;
import javax.naming.Context;
import javax.naming.InitialContext;

import org.activemq.jndi.ActiveMQInitialContextFactory;

public class Mreceiver implements MessageListener {

    public Mreceiver (String jmsServer) {
        Hashtable<String, String> properties = new Hashtable<String, String>();
        Context context;
        TopicConnectionFactory factory;
        Topic topic;
        TopicConnection connection;
        TopicSession session;
        TopicSubscriber tsub;
        String selector = "type=2";
        properties.put(
            Context.INITIAL_CONTEXT_FACTORY,
            ActiveMQInitialContextFactory.class.getName());
        int port = 61616;
        String url = null;

        url = "tcp://" + jmsServer + ":" + port;
        properties.put(Context.PROVIDER_URL, url);
        properties.put("topic.NMS", "NMS");
        try {
            context = new InitialContext(properties);
            factory = (TopicConnectionFactory) context.lookup("ConnectionFactory");
            topic = (Topic) context.lookup("NMS");
            connection = factory.createTopicConnection();
            session = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
            tsub = session.createSubscriber(topic, selector, false);
            tsub.setMessageListener(this);
            connection.start();
        } catch (Exception e) {
            System.out.println("Error " + e);
        }
    }
    
    
    /**
     *
     */
    public static void main(String[] args) {
        String host = args[0];
        System.out.println("Conectando-se ao servidor JMS em " + host);
        new Mreceiver(host);

    }

    public void onMessage (Message msg) {
        System.out.println("Message received");
    }
}


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//package a;

import java.util.Hashtable;

import javax.jms.DeliveryMode;
import javax.jms.Message;
import javax.jms.Session;
import javax.jms.Topic;
import javax.jms.TopicConnection;
import javax.jms.TopicConnectionFactory;
import javax.jms.TopicPublisher;
import javax.jms.TopicSession;
import javax.naming.Context;
import javax.naming.InitialContext;

import org.activemq.jndi.ActiveMQInitialContextFactory;


public class Msender {

    public Msender(String jmsServer) {
        Hashtable<String, String> properties = new Hashtable<String, String>();
        Context context;
        TopicConnectionFactory factory;
        Topic topic;
        TopicConnection connection;
        TopicSession session;
        TopicPublisher publisher;
        properties.put(
            Context.INITIAL_CONTEXT_FACTORY,
            ActiveMQInitialContextFactory.class.getName());
        int port = 61616;
        String url = null;

        url = "tcp://" + jmsServer + ":" + port;

        properties.put(Context.PROVIDER_URL, url);
        properties.put("topic.NMS", "NMS");
        try {
            context = new InitialContext(properties);
            factory = (TopicConnectionFactory) context.lookup("ConnectionFactory");
            topic = (Topic) context.lookup("NMS");
            connection = factory.createTopicConnection();
            session = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
            publisher = session.createPublisher(topic);
            Message message = session.createMessage();
            message.setStringProperty("host", "192.168.11.116");
            message.setIntProperty("type", 2);
            publisher.publish(message, DeliveryMode.NON_PERSISTENT, 4, 3000);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        System.out.println("Sent message to server in " + jmsServer);
        System.exit(0);
        
        
    }
    
    /**
     *
     */
    public static void main(String[] args) {
        String host = args[0];
        System.out.println("Connecting in JMS server in " + host);
        new Msender(host);

    }

}


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