[jboss-user] [JBoss Messaging] - configuring remote host and port

sridummy do-not-reply at jboss.com
Thu Oct 12 11:44:27 EDT 2006


Hi

  Im using Jboss4.0.3SP1, Im very new to JMS&MDB's. I have written a MDB and a client which subscribes the msgs. I have to connect to the remote Topic which is in Seebeyond very old version and didnt have jndi.

The following is the code which i implemented for connecting to remote topic and ejb-jar.xml, jboss.xml

Im unable to listen to the messages after deploying the jar file. 

import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.Topic;
import javax.jms.TopicConnection;
import javax.jms.TopicConnectionFactory;
import javax.jms.TopicPublisher;
import javax.jms.*;
import javax.ejb.*;


import javax.jms.TopicSession;
import javax.jms.TextMessage;

import com.seebeyond.jms.client.STCTopicConnectionFactory;
import com.seebeyond.jms.message.STCBytesMessage;
import com.seebeyond.jms.message.STCTextMessage;
/**
 * @ejb.bean name="MyMBD1"
 *           display-name="Name for MyMBD1"
 *           description="Description for MyMBD1"
 *           destination-type="javax.jms.Topic"
 *           acknowledge-mode="Auto-acknowledge"
 */
public class MyMBD1 implements MessageDrivenBean, MessageListener {

	MessageDrivenContext context = null;
     
	String topicName = "etXMLShipmentOrder";
	TopicConnectionFactory tcf = null;
	TopicConnection topicConnection = null;
	TopicSession topicSession = null;
	Topic topic = null;
	TopicSubscriber topicSubscriber = null;
	STCBytesMessage message = null;
	InputStreamReader inputStreamReader = null;
	char answer = '\0';
	String hostName = "egludev07";
	int port = 24820;

		
	public MyMBD1() {
		super();
		System.out.println("Topic name is " + topicName);
		// TODO Auto-generated constructor stub
	}

	public void setMessageDrivenContext(MessageDrivenContext context)
		throws EJBException {
		this.context = context;
		System.out.println("Insdie setMessageDrivenContext ");
	}

	public void ejbRemove() throws EJBException {
		System.out.println("ejbRemove ");
		context = null;
		if (topicConnection != null) {
			try {
				System.out.println("... Closing connection ...");
				topicSession.commit();
				topicConnection.close();
			}catch(JMSException e){
				System.out.println("Inside ejbRemove catch block ");
				e.printStackTrace();
			}
		}
	}

	public void onMessage(Message message) {
		System.out.println("onMessage");
		STCTextMessage msg = null;
		//final int MAX_MESSAGE_SIZE = 60;
		try {
			if (message instanceof TextMessage) {
				msg = (STCTextMessage) message;
				System.out.println(
					"... Reading message: " + msg.getText());
			} else {
				System.out.println(
					"Message of wrong type: "
						+ message.getClass().getName());
			}
			topicSession.commit();
		} catch (Exception e) {
			System.out.println(
				" JMSException in onMessage(): " + e.toString());
		} catch (Throwable te) {
			System.out.println(
				"Exception in onMessage():" + te.getMessage());
		}
		
	}

	/**
	 * Default create method
	 * 
	 * @throws CreateException
	 */
	public void ejbCreate() {
		System.out.println("Inside ejbCreate  ");
		
		try {
			tcf = new STCTopicConnectionFactory(hostName, port);
			topicConnection = tcf.createTopicConnection();
			topicConnection.start();
			topicSession =
				topicConnection.createTopicSession(
					true,
					Session.AUTO_ACKNOWLEDGE);
			topic = topicSession.createTopic(topicName);
			topicSubscriber = topicSession.createDurableSubscriber(topic,"EAI_TEST_DURABLE");
		} catch (Exception e){
			System.out.println("Inside ejbCreateException Block "+e.getMessage());
			e.getStackTrace();
		}
	
 
	}
	
}

ejb-jar.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN" "http://java.sun.com/dtd/ejb-jar_2_0.dtd">

<ejb-jar >
   
   <enterprise-beans>
    <message-driven>
      <ejb-name>MyMDB1</ejb-name>
      <ejb-class>com.eagle.mdb.MyMBD1</ejb-class>
      <transaction-type>Container</transaction-type>
      <acknowledge-mode>AUTO_ACKNOWLEDGE</acknowledge-mode>
      <message-driven-destination>
        <destination-type>javax.jms.Topic</destination-type>     
      </message-driven-destination>
      
         <resource-ref>
         	<res-ref-name>jms/JmsXA</res-ref-name>
         	<res-type>javax.jms.TopicConnectionFactory</res-type>
         	<res-auth>Container</res-auth>
         </resource-ref>
        
    </message-driven>
  </enterprise-beans>
</ejb-jar>


jboss.xml

<?xml version="1.0" encoding="UTF-8"?>



   <enterprise-beans>
		<message-driven>
			<ejb-name>MyMDB1</ejb-name>
			<destination-jndi-name>topic/testTopic</destination-jndi-name>
			
			<resource-ref>
				<res-ref-name>jms/JmsXA</res-ref-name>
				<jndi-name>TopicConnectionFactory</jndi-name>
			</resource-ref>
		</message-driven>
   </enterprise-beans>

 


For my senario, pls guide me. Its very urgent.

Thanks in Advance
Sri


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