[jboss-cvs] JBoss Messaging SVN: r6496 - in trunk: examples/jms and 8 other directories.

jboss-cvs-commits at lists.jboss.org jboss-cvs-commits at lists.jboss.org
Mon Apr 20 09:05:27 EDT 2009


Author: jmesnil
Date: 2009-04-20 09:05:27 -0400 (Mon, 20 Apr 2009)
New Revision: 6496

Added:
   trunk/examples/jms/management-notifications/
   trunk/examples/jms/management-notifications/build.xml
   trunk/examples/jms/management-notifications/readme.html
   trunk/examples/jms/management-notifications/server0/
   trunk/examples/jms/management-notifications/server0/client-jndi.properties
   trunk/examples/jms/management-notifications/server0/jbm-configuration.xml
   trunk/examples/jms/management-notifications/server0/jbm-jms.xml
   trunk/examples/jms/management-notifications/server0/jbm-queues.xml
   trunk/examples/jms/management-notifications/server0/jbm-standalone-beans.xml
   trunk/examples/jms/management-notifications/server0/jbm-users.xml
   trunk/examples/jms/management-notifications/src/
   trunk/examples/jms/management-notifications/src/org/
   trunk/examples/jms/management-notifications/src/org/jboss/
   trunk/examples/jms/management-notifications/src/org/jboss/jms/
   trunk/examples/jms/management-notifications/src/org/jboss/jms/example/
   trunk/examples/jms/management-notifications/src/org/jboss/jms/example/ManagementNotificationExample.java
Modified:
   trunk/.classpath
   trunk/src/main/org/jboss/messaging/jms/JBossTopic.java
Log:
Management Notifications example

* how to configure JBoss Messaging to receive management notifications using JMS messages

Modified: trunk/.classpath
===================================================================
--- trunk/.classpath	2009-04-20 13:02:03 UTC (rev 6495)
+++ trunk/.classpath	2009-04-20 13:05:27 UTC (rev 6496)
@@ -40,6 +40,7 @@
 	<classpathentry kind="src" path="examples/jms/large-message/src"/>
 	<classpathentry kind="src" path="examples/jms/last-value-queue/src"/>
 	<classpathentry kind="src" path="examples/jms/management/src"/>
+	<classpathentry kind="src" path="examples/jms/management-notifications/src"/>
 	<classpathentry kind="src" path="examples/jms/message-counters/src"/>
 	<classpathentry kind="src" path="examples/jms/message-group/src"/>
 	<classpathentry kind="src" path="examples/jms/message-priority/src"/>


Property changes on: trunk/examples/jms/management-notifications
___________________________________________________________________
Name: svn:ignore
   + build
logs


Added: trunk/examples/jms/management-notifications/build.xml
===================================================================
--- trunk/examples/jms/management-notifications/build.xml	                        (rev 0)
+++ trunk/examples/jms/management-notifications/build.xml	2009-04-20 13:05:27 UTC (rev 6496)
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE project [
+      <!ENTITY libraries SYSTEM "../../../thirdparty/libraries.ent">
+      ]>
+
+<!-- =========================================================================================== -->
+<!--                                                                                             -->
+<!-- JBoss, Home of Professional Open Source                                                     -->
+<!-- Copyright 2005, JBoss Inc., and individual contributors as indicated                        -->
+<!-- by the @authors tag. See the copyright.txt in the distribution for a                        -->
+<!-- full listing of individual contributors.                                                    -->
+<!--                                                                                             -->
+<!-- This is free software; you can redistribute it and/or modify it                             -->
+<!-- under the terms of the GNU Lesser General Public License as                                 -->
+<!-- published by the Free Software Foundation; either version 2.1 of                            -->
+<!-- the License, or (at your option) any later version.                                         -->
+<!--                                                                                             -->
+<!-- This software is distributed in the hope that it will be useful,                            -->
+<!-- but WITHOUT ANY WARRANTY; without even the implied warranty of                              -->
+<!-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU                            -->
+<!-- Lesser General Public License for more details.                                             -->
+<!--                                                                                             -->
+<!-- You should have received a copy of the GNU Lesser General Public                            -->
+<!-- License along with this software; if not, write to the Free                                 -->
+<!-- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA                          -->
+<!-- 02110-1301 USA, or see the FSF site: http://www.fsf.org.                                    -->
+<!--                                                                                             -->
+<!-- =========================================================================================== -->
+
+
+<project default="run" name="JBoss Messaging Management Notifications Example">
+
+   <import file="../common/build.xml"/>
+
+   <target name="run">
+      <antcall target="runExample">
+         <param name="example.classname" value="org.jboss.jms.example.ManagementNotificationExample"/>
+      </antcall>
+   </target>
+
+   <target name="runRemote">
+      <antcall target="runExample">
+         <param name="example.classname" value="org.jboss.jms.example.ManagementNotificationExample"/>
+         <param name="jbm.example.runServer" value="false"/>
+      </antcall>
+   </target>
+
+</project>

Added: trunk/examples/jms/management-notifications/readme.html
===================================================================
--- trunk/examples/jms/management-notifications/readme.html	                        (rev 0)
+++ trunk/examples/jms/management-notifications/readme.html	2009-04-20 13:05:27 UTC (rev 6496)
@@ -0,0 +1,193 @@
+<html>
+  <head>
+    <title>JBoss Messaging Management Notification Example</title>
+    <link rel="stylesheet" type="text/css" href="../common/common.css">
+  </head>
+  <body>
+     <h1>Management Notification Example</h1>
+     <p>This example shows how to receive management notifications from JBoss Messaging using JMS Messages.</p>
+     <p>JBoss Messaging servers emit management notifications when events of interest occur (consumers are created or closed,
+         destinations are created or deleted, security authentication fails, etc.).<br />
+         These notifications can be received either by using JMX (see <a href="../jmx/readme.html">JMX example</a>) or by receiving JMS Messages
+         from a well-known destination.</p>
+     <p>This example will setup a JMS MessageListener to receive management notifications. We will also perform normal JMS operations to see the kind
+         of notifications they trigger.</p>
+     
+     <h2>Example configuration</h2>
+
+     <p>JBoss Messaging can configured to send JMS messages when management notifications are emitted on the server.</p>
+     <p>By default, the management name is called <code>jbm.notifications</code> but this can be configured in <a href="server0/jbm-configuration.xml">jbm-configuration.xml</a>.
+        For this example, we will set it to <code>example.notifications</code>.</p>
+      <pre>
+         <code>&lt;management-notification-address&gt;example.notifications&lt;/management-notification-address&gt;</code>
+     </pre>
+     
+     <p>We will also create a queue corresponding to the example's address to hold notifications</p>
+     <pre>
+         <code>&lt;queues&gt;
+            &lt;queue name="example.notifications"&gt;
+               &lt;address&gt;example.notifications&lt;/address&gt;
+            &lt;/queue&gt;
+         &lt;/queues&gt;</code>
+     </pre>
+     <p>The notification queue requires permission to create/delete temporary queues and consume messages.
+         This is configured in <a href="server0/jbm-queues.xml">jbm-queues.xml</a></p>
+     <pre>
+         <code><!--security for notification queue-->
+         &lt;security match="example.notifications"&gt;
+            &lt;permission type="consume" roles="guest"/&gt;
+            &lt;permission type="createTempQueue" roles="guest"/&gt;
+            &lt;permission type="deleteTempQueue" roles="guest"/&gt;
+         &lt;/security&gt;</code>
+     </pre>
+     
+     <h2>Example step-by-step</h2>
+     <p><em>To run the example, simply type <code>ant</code> from this directory</em></p>
+     <ol>
+        <li>First we need to get an initial context so we can look-up the JMS connection factory and destination objects from JNDI. This initial context will get its properties from <a href="server0/client-jndi.properties">client-jndi.properties</a></li>
+        <pre>
+            <code>InitialContext initialContext = getContext(0);</code>
+        </pre>
+
+        <li>We look up the JMS queue object from JNDI</li>
+        <pre>
+            <code>Queue queue = (Queue) initialContext.lookup("/queue/exampleQueue");</code>
+        </pre>
+
+        <li>We look up the JMS connection factory object from JNDI</li>
+        <pre>
+            <code>ConnectionFactory cf = (ConnectionFactory) initialContext.lookup("/ConnectionFactory");</code>
+        </pre>
+
+        <li>We create a JMS connection, a session and a message producer for the example queue</li>
+        <pre>
+            <code>connection = cf.createConnection();
+            Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+            MessageProducer producer = session.createProducer(queue);</code>
+        </pre>
+        
+        <li>We create the JMS management topic. This is a <em>special</em> topic which is not looked up from JNDI but instantiated directly</li>
+        <pre>
+            <code>Topic notificationsTopic = new JBossTopic("example.notifications", "example.notifications");</code>
+        </pre>
+
+        <li>We create a MessageConsumer for the notification topic and set its MessageListener. When a notification is received, we will simply display all the message properties</li>
+        <pre>
+           <code>MessageConsumer notificationConsumer = session.createConsumer(notificationsTopic);
+           notificationConsumer.setMessageListener(new MessageListener()
+           {
+              public void onMessage(Message notif)
+              {
+                 System.out.println("------------------------");
+                 System.out.println("Received notification:");
+                 try
+                 {
+                    Enumeration propertyNames = notif.getPropertyNames();
+                    while (propertyNames.hasMoreElements())
+                    {
+                       String propertyName = (String)propertyNames.nextElement();
+                       System.out.format("  %s: %s\n", propertyName, notif.getObjectProperty(propertyName));
+                    }
+                 }
+                 catch (JMSException e)
+                 {
+                 }
+                 System.out.println("------------------------");
+              }            
+           });</code>
+        </pre>
+        
+        <li>We start the connection to receive messages</li>
+        <pre>
+            <code>connection.start();</code>
+        </pre>
+        
+        <p><em>Now that a message listener is setup to receive management notifications, we will perform regular JMS operations to 
+            see what kind of notifications are triggered</em></p>
+            
+        <li>We create a JMS message consumer on the example queue</li>
+        <pre>
+            <code>MessageConsumer consumer = session.createConsumer(queue);</code>
+        </pre>
+        
+        <p>This will generate a <code>CONSUMER_CREATED</code> notification:
+        <pre>
+            <code>------------------------
+            Received notification:
+              _JBM_RoutingName: jms.queue.exampleQueue
+              _JBM_Address: jms.queue.exampleQueue
+              ...
+              _JBM_ConsumerCount: 1
+              ...
+              _JBM_NotifType: CONSUMER_CREATED
+            ------------------------</code>
+        </pre>
+        <p>The notification tells us that a consumer was created for the JMS queue <code>exampleQueue</code>. When the notification
+            was emitted, this consumer was the only one for the queue</p>
+            
+        <li>We close this consumer</li>
+        <pre>
+            <code>consumer.close();</code>
+        </pre>
+
+        <p>This will generate a <code>CONSUMER_CLOSED</code> notification:
+        <pre>
+            <code>------------------------
+            Received notification:
+              _JBM_RoutingName: jms.queue.exampleQueue
+              _JBM_Address: jms.queue.exampleQueue
+              ...
+              _JBM_ConsumerCount: 0
+              ...
+              _JBM_NotifType: CONSUMER_CLOSED
+            ------------------------</code>
+        </pre>
+        <p>The notification tells us that a consumer was closed for the JMS queue <code>exampleQueue</code>. When the notification
+            was emitted, there were no other consumers on the queue</p>
+
+        <li>As a last example, we will create a connection with invalid user credentials</li>
+        <pre>
+            <code>try
+            {
+               cf.createConnection("not.a.valid.user", "not.a.valid.password");
+            } catch (JMSException e)
+            {            
+            }</code>
+        </pre>
+        
+        <p>This will generate a <code>SECURITY_AUTHENTICATION_VIOLATION</code> notification:
+        <pre>
+            <code>------------------------
+            Received notification:
+              _JBM_User: not.a.valid.user
+              ...
+              _JBM_NotifType: SECURITY_AUTHENTICATION_VIOLATION
+            ------------------------
+            </code>
+        </pre>
+        <p>The notification tells us that a user named <code>not.a.valid.user</code> failed to authenticate when creating a connection to JBoss Messaging.</p>
+        
+        <li>And finally, <b>always</b> remember to close your JMS connections and resources after use, in a <code>finally</code> block. Closing a JMS connection will automatically close all of its sessions, consumers, producer and browser objects</li>
+
+        <pre>
+           <code>finally
+           {
+              if (initialContext != null)
+              {
+                initialContext.close();
+              }
+              if (connection != null)
+              {
+                 connection.close();
+              }
+           }</code>
+        </pre>
+     </ol>
+     
+     <h2>More information</h2>
+     
+     <p>Management notification address is configured in the <a href="../../../docs/userguide/en/html/configuration.html#configuration.main">server configuration</a> by changing the <code>management-notification-address</code> parameter.</p>
+         
+
+  </body>
+</html>
\ No newline at end of file


Property changes on: trunk/examples/jms/management-notifications/server0
___________________________________________________________________
Name: svn:ignore
   + data
logs


Added: trunk/examples/jms/management-notifications/server0/client-jndi.properties
===================================================================
--- trunk/examples/jms/management-notifications/server0/client-jndi.properties	                        (rev 0)
+++ trunk/examples/jms/management-notifications/server0/client-jndi.properties	2009-04-20 13:05:27 UTC (rev 6496)
@@ -0,0 +1,3 @@
+java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
+java.naming.provider.url=jnp://localhost:1099
+java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces

Added: trunk/examples/jms/management-notifications/server0/jbm-configuration.xml
===================================================================
--- trunk/examples/jms/management-notifications/server0/jbm-configuration.xml	                        (rev 0)
+++ trunk/examples/jms/management-notifications/server0/jbm-configuration.xml	2009-04-20 13:05:27 UTC (rev 6496)
@@ -0,0 +1,32 @@
+<deployment xmlns="urn:jboss:messaging"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="urn:jboss:messaging ../../../../src/schemas/jbm-configuration.xsd">
+   <configuration>
+
+      <management-notification-address>example.notifications</management-notification-address>
+ 
+      <!--  create a default queue for the notification -->     
+      <queues>
+         <queue name="example.notifications">
+            <address>example.notifications</address>
+         </queue>
+      </queues>
+
+      <connectors>
+         <connector name="netty">
+            <factory-class>org.jboss.messaging.integration.transports.netty.NettyConnectorFactory</factory-class>
+         </connector>
+      </connectors>
+      
+      <!-- Netty standard TCP acceptor -->
+      <acceptors>
+         <acceptor name="netty">
+            <factory-class>org.jboss.messaging.integration.transports.netty.NettyAcceptorFactory</factory-class>
+         </acceptor>
+      </acceptors>
+
+      <!--  Other configs -->      
+      <journal-min-files>2</journal-min-files>
+   </configuration>
+
+</deployment>

Added: trunk/examples/jms/management-notifications/server0/jbm-jms.xml
===================================================================
--- trunk/examples/jms/management-notifications/server0/jbm-jms.xml	                        (rev 0)
+++ trunk/examples/jms/management-notifications/server0/jbm-jms.xml	2009-04-20 13:05:27 UTC (rev 6496)
@@ -0,0 +1,19 @@
+<deployment xmlns="urn:jboss:messaging"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="urn:jboss:messaging ../schemas/jbm-jms.xsd ">
+   <!--the connection factory used by the example-->
+   <connection-factory name="ConnectionFactory">
+      <connector-ref connector-name="netty"/>
+      <entries>
+         <entry name="ConnectionFactory"/>
+         <entry name="XAConnectionFactory"/>
+         <entry name="java:/ConnectionFactory"/>
+         <entry name="java:/XAConnectionFactory"/>
+      </entries>
+   </connection-factory>
+
+   <!--the queue used by the example-->
+   <queue name="exampleQueue">
+      <entry name="/queue/exampleQueue"/>
+   </queue>
+</deployment>
\ No newline at end of file

Added: trunk/examples/jms/management-notifications/server0/jbm-queues.xml
===================================================================
--- trunk/examples/jms/management-notifications/server0/jbm-queues.xml	                        (rev 0)
+++ trunk/examples/jms/management-notifications/server0/jbm-queues.xml	2009-04-20 13:05:27 UTC (rev 6496)
@@ -0,0 +1,29 @@
+<settings xmlns="urn:jboss:messaging"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="urn:jboss:messaging ../schemas/jbm-queues.xsd ">
+
+   <!--security for example queue-->
+   <security match="jms.queue.exampleQueue">
+      <permission type="createDurableQueue" roles="guest"/>
+      <permission type="deleteDurableQueue" roles="guest"/>
+      <permission type="createTempQueue" roles="guest"/>
+      <permission type="deleteTempQueue" roles="guest"/>
+      <permission type="consume" roles="guest"/>
+      <permission type="send" roles="guest"/>
+   </security>
+
+   <!--security for notification queue-->
+   <security match="example.notifications">
+      <permission type="consume" roles="guest"/>
+      <permission type="createTempQueue" roles="guest"/>
+      <permission type="deleteTempQueue" roles="guest"/>
+   </security>
+   
+   <!-- security settings for JMS temporary queue -->
+   <security match="queuetempjms.*">
+      <permission type="createTempQueue" roles="guest"/>
+      <permission type="deleteTempQueue" roles="guest"/>
+      <permission type="consume" roles="guest"/>
+      <permission type="send" roles="guest"/>
+   </security>
+</settings>

Added: trunk/examples/jms/management-notifications/server0/jbm-standalone-beans.xml
===================================================================
--- trunk/examples/jms/management-notifications/server0/jbm-standalone-beans.xml	                        (rev 0)
+++ trunk/examples/jms/management-notifications/server0/jbm-standalone-beans.xml	2009-04-20 13:05:27 UTC (rev 6496)
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<deployment xmlns="urn:jboss:bean-deployer:2.0">
+
+   <bean name="Naming" class="org.jnp.server.NamingBeanImpl"/>
+
+   <!-- JNDI server. Disable this if you don't want JNDI -->
+   <bean name="JNDIServer" class="org.jnp.server.Main">
+      <property name="namingInfo">
+         <inject bean="Naming"/>
+      </property>
+      <property name="port">1099</property>
+      <property name="bindAddress">localhost</property>
+      <property name="rmiPort">1098</property>
+      <property name="rmiBindAddress">localhost</property>
+   </bean>
+   
+   <!-- MBean server -->
+   <bean name="MBeanServer" class="javax.management.MBeanServer">
+      <constructor factoryClass="java.lang.management.ManagementFactory"
+                   factoryMethod="getPlatformMBeanServer"/>
+   </bean> 
+
+   <!-- The core configuration -->
+   <bean name="Configuration" class="org.jboss.messaging.core.config.impl.FileConfiguration"/>
+
+   <!-- The security manager -->
+   <bean name="JBMSecurityManager" class="org.jboss.messaging.core.security.impl.JBMSecurityManagerImpl">
+      <start ignored="true"/>
+      <stop ignored="true"/>
+   </bean>
+
+   <!-- The core server -->
+   <bean name="MessagingServer" class="org.jboss.messaging.core.server.impl.MessagingServerImpl"> 
+      <constructor>
+         <parameter>
+            <inject bean="Configuration"/>
+         </parameter>
+         <parameter>
+            <inject bean="MBeanServer"/>
+         </parameter>
+         <parameter>
+            <inject bean="JBMSecurityManager"/>
+         </parameter>        
+      </constructor>         
+   </bean>
+   
+   <!-- The JMS server -->
+   <bean name="JMSServerManager" class="org.jboss.messaging.jms.server.impl.JMSServerManagerImpl">
+      <constructor>         
+         <parameter>
+            <inject bean="MessagingServer"/>
+         </parameter>
+      </constructor>
+   </bean>
+
+</deployment>

Added: trunk/examples/jms/management-notifications/server0/jbm-users.xml
===================================================================
--- trunk/examples/jms/management-notifications/server0/jbm-users.xml	                        (rev 0)
+++ trunk/examples/jms/management-notifications/server0/jbm-users.xml	2009-04-20 13:05:27 UTC (rev 6496)
@@ -0,0 +1,7 @@
+<deployment xmlns="urn:jboss:messaging" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="urn:jboss:messaging ../schemas/jbm-security.xsd ">
+   <!-- the default user.  this is used where username is null-->
+   <defaultuser name="guest" password="guest">
+      <role name="guest"/>
+   </defaultuser>
+</deployment>
\ No newline at end of file

Added: trunk/examples/jms/management-notifications/src/org/jboss/jms/example/ManagementNotificationExample.java
===================================================================
--- trunk/examples/jms/management-notifications/src/org/jboss/jms/example/ManagementNotificationExample.java	                        (rev 0)
+++ trunk/examples/jms/management-notifications/src/org/jboss/jms/example/ManagementNotificationExample.java	2009-04-20 13:05:27 UTC (rev 6496)
@@ -0,0 +1,138 @@
+/*
+   * JBoss, Home of Professional Open Source
+   * Copyright 2005-2008, Red Hat Middleware LLC, and individual contributors
+   * by the @authors tag. See the copyright.txt in the distribution for a
+   * full listing of individual contributors.
+   *
+   * This is free software; you can redistribute it and/or modify it
+   * under the terms of the GNU Lesser General Public License as
+   * published by the Free Software Foundation; either version 2.1 of
+   * the License, or (at your option) any later version.
+   *
+   * This software is distributed in the hope that it will be useful,
+   * but WITHOUT ANY WARRANTY; without even the implied warranty of
+   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+   * Lesser General Public License for more details.
+   *
+   * You should have received a copy of the GNU Lesser General Public
+   * License along with this software; if not, write to the Free
+   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+   */
+package org.jboss.jms.example;
+
+import java.util.Enumeration;
+
+import javax.jms.Connection;
+import javax.jms.ConnectionFactory;
+import javax.jms.JMSException;
+import javax.jms.Message;
+import javax.jms.MessageConsumer;
+import javax.jms.MessageListener;
+import javax.jms.MessageProducer;
+import javax.jms.Queue;
+import javax.jms.Session;
+import javax.jms.TextMessage;
+import javax.jms.Topic;
+import javax.naming.InitialContext;
+
+import org.jboss.messaging.jms.JBossTopic;
+
+/**
+ * An example that shows how to receive management notifications using JMS messages.
+ *
+ * @author <a href="mailto:jmesnil at redhat.com">Jeff Mesnil</a>
+ */
+public class ManagementNotificationExample extends JMSExample
+{
+   public static void main(String[] args)
+   {
+      new ManagementNotificationExample().run(args);
+   }
+
+   public boolean runExample() throws Exception
+   {
+      Connection connection = null;
+      InitialContext initialContext = null;
+      try
+      {
+         // Step 1. Create an initial context to perform the JNDI lookup.
+         initialContext = getContext(0);
+
+         // Step 2. Perfom a lookup on the queue
+         Queue queue = (Queue) initialContext.lookup("/queue/exampleQueue");
+         
+         // Step 3. Perform a lookup on the Connection Factory
+         ConnectionFactory cf = (ConnectionFactory) initialContext.lookup("/ConnectionFactory");
+
+         // Step 4.Create a JMS connection, a session and a producer for the queue
+         connection = cf.createConnection();
+         Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+         MessageProducer producer = session.createProducer(queue);
+
+         // Step 5. create the JMS notification topic.
+         // It is a "special" topic and it is not looked up from JNDI but constructed directly
+         Topic notificationsTopic = new JBossTopic("example.notifications", "example.notifications");
+         
+         // Step 6. Create a JMS message consumer for the notification topic and set its message listener
+         // It will display all the properties of the JMS Message
+         MessageConsumer notificationConsumer = session.createConsumer(notificationsTopic);
+         notificationConsumer.setMessageListener(new MessageListener()
+         {
+            public void onMessage(Message notif)
+            {
+               System.out.println("------------------------");
+               System.out.println("Received notification:");
+               try
+               {
+                  Enumeration propertyNames = notif.getPropertyNames();
+                  while (propertyNames.hasMoreElements())
+                  {
+                     String propertyName = (String)propertyNames.nextElement();
+                     System.out.format("  %s: %s\n", propertyName, notif.getObjectProperty(propertyName));
+                  }
+               }
+               catch (JMSException e)
+               {
+               }
+               System.out.println("------------------------");
+            }            
+         });
+
+         // Step 7. Start the Connection to allow the consumers to receive messages
+         connection.start();
+
+         // Step 8. Create a JMS Message Consumer on the queue         
+         MessageConsumer consumer = session.createConsumer(queue);
+
+         // Step 9. Close the consumer
+         consumer.close();
+         
+         // Step 10. Try to create a connection with unknown user
+         try
+         {
+            cf.createConnection("not.a.valid.user", "not.a.valid.password");
+         } catch (JMSException e)
+         {            
+         }
+         
+         // sleep a little bit to be sure to receive the notification for the security
+         // authentication violation before leaving the example
+         Thread.sleep(2000);
+         
+         return true;
+      }
+      finally
+      {
+         //Step 11. Be sure to close the resources!
+         if (initialContext != null)
+         {
+            initialContext.close();
+         }
+         if(connection != null)
+         {
+            connection.close();
+         }
+      }
+   }
+}

Modified: trunk/src/main/org/jboss/messaging/jms/JBossTopic.java
===================================================================
--- trunk/src/main/org/jboss/messaging/jms/JBossTopic.java	2009-04-20 13:02:03 UTC (rev 6495)
+++ trunk/src/main/org/jboss/messaging/jms/JBossTopic.java	2009-04-20 13:05:27 UTC (rev 6496)
@@ -114,7 +114,7 @@
       super(JMS_TOPIC_ADDRESS_PREFIX + name, name);
    }
 
-   protected JBossTopic(final String address, final String name)
+   public JBossTopic(final String address, final String name)
    {
       super(address, name);
    }




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