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helloworld-jms: HelloWorld JMS Example

Author: Weston Price

What is it?

This quickstart demonstrates the use of external JMS clients with JBoss Enterprise Application Platform 6 or JBoss AS 7.

It contains the following:

  1. A message producer that sends messages to a JMS destination deployed to a JBoss Enterprise Application Platform 6 or JBoss AS 7 server.

  2. A message consumer that receives message from a JMS destination deployed to a JBoss Enterprise Application Platform 6 or JBoss AS 7 server.

System requirements

All you need to build this project is Java 6.0 (Java SDK 1.6) or better, Maven 3.0 or better.

The application this project produces is designed to be run on JBoss Enterprise Application Platform 6 or JBoss AS 7.

Configure Maven

If you have not yet done so, you must Configure Maven before testing the quickstarts.

Add an Application User

This quickstart uses secured management interfaces and requires that you create an application user to access the running application. Instructions to set up the quickstart application user can be found here: Add an Application User

Configure the JBoss Enterprise Application Platform 6 server

If you are using the JBoss AS 7 Quickstart distribution, the server configuration file already contains the JMS test queue and you can skip this step.

However, if you are using the JBoss Enterprise Application Platform 6 distribution, you need to add the JMS test queue to the application server configuration file.

  1. Open the file: JBOSS_HOME/standalone/configuration/standalone-full.xml
  2. Add the JMS test queue as follows:

    • Find the messaging subsystem:

        <subsystem xmlns="urn:jboss:domain:messaging:1.1">

    • Scroll to the end of this section and add the following XML after the </jms-connection-factories> end tag but before the </hornetq-server> element:

            <jms-destinations>
          <jms-queue name="testQueue">
              <entry name="queue/test"/>
              <entry name="java:jboss/exported/jms/queue/test"/>
          </jms-queue>
          <jms-topic name="testTopic">
              <entry name="topic/test"/>
              <entry name="java:jboss/exported/jms/topic/test"/>
          </jms-topic>
      </jms-destinations>

    • Save the changes and close the file.

Start JBoss Enterprise Application Platform 6 or JBoss AS 7 with the Full Profile

  1. Open a command line and navigate to the root of the JBoss server directory.

  2. The following shows the command line to start the server with the full profile:

     For Linux:   JBOSS_HOME/bin/standalone.sh -c standalone-full.xml
 For Windows: JBOSS_HOME\bin\standalone.bat -c standalone-full.xml

Build and Deploy the Quickstart

To run the quickstart from the command line:

  1. Make sure you have started the JBoss server. See the instructions in the previous section.

  2. Open a command line and navigate to the root of the helloworld-jms quickstart directory:

     cd PATH_TO_QUICKSTARTS/helloworld-jms

  3. Type the following command to compile and execute the quickstart:

     For JBoss Enterprise Application Platform 6 (Maven user settings NOT configured): 

     mvn clean compile exec:java -s PATH_TO_QUICKSTARTS/example-settings.xml

 For JBoss AS 7 or JBoss Enterprise Application Platform 6 (Maven user settings configured): 

     mvn clean compile exec:java

Investigate the Console Output

If the maven command is successful, with the default configuration you will see output similar to this:

Mar 14, 2012 1:38:58 PM org.jboss.as.quickstarts.jms.HelloWorldJMSClient main
INFO: Attempting to acquire connection factory "jms/RemoteConnectionFactory"
Mar 14, 2012 1:38:58 PM org.jboss.as.quickstarts.jms.HelloWorldJMSClient main
INFO: Found connection factory "jms/RemoteConnectionFactory" in JNDI
Mar 14, 2012 1:38:58 PM org.jboss.as.quickstarts.jms.HelloWorldJMSClient main
INFO: Attempting to acquire destination "jms/queue/test"
Mar 14, 2012 1:38:58 PM org.jboss.as.quickstarts.jms.HelloWorldJMSClient main
INFO: Found destination "jms/queue/test" in JNDI
Mar 14, 2012 1:38:58 PM org.jboss.as.quickstarts.jms.HelloWorldJMSClient main
INFO: Sending 1 messages with content: Hello, World!
Mar 14, 2012 1:38:58 PM org.jboss.as.quickstarts.jms.HelloWorldJMSClient main
INFO: Received message with content Hello, World!

Note: After the above INFO message, you may see the following error. You can ignore the error as it is a well known error message and does not indicate the maven command was unsuccessful in any way.

Mar 14, 2012 1:38:58 PM org.jboss.naming.remote.protocol.v1.RemoteNamingStoreV1$MessageReceiver handleEnd
ERROR: Channel end notification received, closing channel Channel ID cd114175 (outbound) of Remoting connection 00392fe8 to localhost/127.0.0.1:4447

Optional Properties

The example provides for a certain amount of customization for the mvn:exec plugin using the system properties.

  • username

    This username is used for both the JMS connection and the JNDI look-up. Instructions to set up the quickstart application user can be found here: Add an Application User.

    Default: quickstartUser

  • password

    This password is used for both the JMS connection and the JNDI look-up. Instructions to set up the quickstart application user can be found here: Add an Application User

    Default: quickstartPassword

  • connection.factory

    The name of the JMS ConnectionFactory you want to use.

    Default: jms/RemoteConnectionFactory

  • destination

    The name of the JMS Destination you want to use.

    Default: jms/queue/test

  • message.count

    The number of JMS messages you want to produce and consume.

    Default: 1

  • message.content

    The content of the JMS TextMessage.

    Default: "Hello, World!"

  • jboss.naming.provider.url

    This property allows configuration of the JNDI directory used to lookup the JMS destination. This is useful when the client resides on another host.

    Default: "localhost"

Run the Quickstart in JBoss Developer Studio or Eclipse

You can also start the server and deploy the quickstarts from Eclipse using JBoss tools. For more information, see Use JBoss Developer Studio or Eclipse to Run the Quickstarts

Debug the Application

If you want to debug the source code or look at the Javadocs of any library in the project, run either of the following commands to pull them into your local repository. The IDE should then detect them.

    mvn dependency:sources
    mvn dependency:resolve -Dclassifier=javadoc