I am lost in an example in O'Reilly's Enterprise Beans text (In JMS messages).
I wrote a simple java remote client tofigure out how to publish a message to a
Topic. The code and its output are posted below.
Can anyone help me with 2 questions? (other gratuitous pointers are also most
welcome):
1. The text uses refers to a TopicConnectionFactory, but I don't have one in
my jboss 3.2.6 remote server, but I thought I read in this forum that I need to
use a UIL2ConnectionFactory for remote connections anyway.
True? -- see 2.
False? do I need to code an MBean in an (?).xml deployment file to get one.
2. If I use UIL2ConnectionFactory, where do I look for the API for
org.jboss.mq.SpyConnectionFactory? (I am guessing I need to give the factory
some set of user id/password parameters. But without the API I am not even
sure it can create a TopicConnection.)
My Local CLient Code:
import javax.naming.*;
| import java.util.*;
| import javax.jms.*;
| import org.jboss.mq.*;
|
| public class JmsSend {
|
| public static void main (String[] args) {
| JmsSend send = new JmsSend ();
| Context jndiContext=null;
| try {
| System.out.print ("Gettng Initial Context: ");
| jndiContext = send.getInitialContext ();
| System.out.println ("OK");
|
| System.out.print ("\nLook up TopicConnectionFactory: ");
| Object obj = jndiContext.lookup
("java:comp/env/jms/TopicConnectionFactory");
| System.out.println ("OK");
| } catch (NamingException ne) {
| System.out.println ("Failed \n NamingException: " + ne.getMessage
());
| }
| try {
| System.out.print ("\nLook up UIL2ConnectionFactory: ");
| SpyConnectionFactory factory = (SpyConnectionFactory)
jndiContext.lookup ("UIL2ConnectionFactory");
| System.out.println ("OK\n class = " + factory.getClass ());
|
| System.out.print ("\nCreate Connection:");
| Object obj = factory.createTopicConnection ();
|
| } catch (NamingException ne) {
| System.out.println ("Failed \nNamingException: " + ne.getMessage ());
| } catch (JMSException je) {
| System.out.println ("Failed \nJMSException: " + je.getMessage ());
| }
| }
|
| public Context getInitialContext() throws NamingException {
| Properties p = new Properties();
| p.put(
| Context.INITIAL_CONTEXT_FACTORY,
| "org.jboss.naming.HttpNamingContextFactory");
| p.put(
| Context.PROVIDER_URL,
| "jnp://America-3.org/invoker/JNDIFactory");
|
| return new InitialContext(p);
| }
| }The outputGettng Initial Context: OK
|
| Look up TopicConnectionFactory: Failed
| NamingException: comp not bound
|
| Look up UIL2ConnectionFactory: OK
| class = class org.jboss.mq.SpyConnectionFactory
|
| Create Connection:Failed
| JMSException: Cannot authenticate user; - nested throwable:
(java.net.ConnectException: Connection refused: connect)
| Press any key to continue . . .
Thanks,
George
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