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The Java EE 5 Tutorial

Packaging, Deploying, and Running the simplemessage Example

To package, deploy and run this example, go to the tut-install/javaeetutorial5/examples/ejb/simplemessage/ directory.

Creating the Administered Objects for the simplemessage Example

This example requires the following:

If you have run the simple JMS examples in Chapter 31, The Java Message Service API and have not deleted the resources, you already have these resources and do not need to perform these steps.

You can use Ant targets to create the resources. The Ant targets, which are defined in the build.xml file for this example, use the asadmin command. To create the resources needed for this example, use the following commands:


ant create-cf
ant create-queue

These commands do the following:

The Ant targets for these commands refer to other targets that are defined in the tut-install/javaeetutorial5/examples/bp-project/app-server-ant.xml file.

Building, Deploying, and Running the simplemessage Application Using NetBeans IDE

    To build, deploy, and run the application using NetBeans IDE, do the following:

  1. In NetBeans IDE, choose Open Project from the File menu.

  2. In the Open Project dialog, navigate to tut-install/javaeetutorial5/examples/ejb/.

  3. Select the simplemessage folder.

  4. Select the Open as Main Project check box and the Open Required Projects check box.

  5. Click Open Project.

  6. Right-click the simplemessage project and choose Build.

    This task packages the application client and the message-driven bean, then creates a file named simplemessage.ear in the dist directory.

  7. Right-click the project and choose Undeploy and Deploy.

  8. Right-click the project and choose Run.

    This command returns a JAR file named simplemessageClient.jar and then executes it.

The output of the application client in the Output pane looks like this:


Sending message: This is message 1
Sending message: This is message 2
Sending message: This is message 3
To see if the bean received the messages,
 check <install_dir>/domains/domain1/logs/server.log.

The output from the message-driven bean appears in the server log (domain-dir/logs/server.log), wrapped in logging information.


MESSAGE BEAN: Message received: This is message 1
MESSAGE BEAN: Message received: This is message 2
MESSAGE BEAN: Message received: This is message 3

The received messages often appear in a different order from the order in which they were sent.

    Undeploy the application after you finish running the client. To undeploy the application, follow these steps:

  1. Click the Services tab.

  2. Expand the Servers node.

  3. Expand the Sun Java System Application Server node.

  4. Expand the Applications node.

  5. Expand the Enterprise Applications node.

  6. Right-click simplemessage and choose Undeploy.

To remove the generated files, right-click the simplemessage project and choose Clean.

Building, Deploying, and Running the simplemessage Application Using Ant

To create and package the application using Ant, use the default target for the build.xml file:


ant

This target packages the application client and the message-driven bean, then creates a file named simplemessage.ear in the dist directory.

By using resource injection and annotations, you avoid having to create deployment descriptor files for the message-driven bean and application client. You need to use deployment descriptors only if you want to override the values specified in the annotated source files.

To deploy the application and run the client using Ant, use the following command:


ant run

Ignore the message that states that the application is deployed at a URL.

The output in the terminal window looks like this:


running application client container.
Sending message: This is message 1
Sending message: This is message 2
Sending message: This is message 3
To see if the bean received the messages,
 check <install_dir>/domains/domain1/logs/server.log.

In the server log file, the following lines should be displayed, wrapped in logging information:


MESSAGE BEAN: Message received: This is message 1
MESSAGE BEAN: Message received: This is message 2
MESSAGE BEAN: Message received: This is message 3

The received messages often appear in a different order from the order in which they were sent.

Undeploy the application after you finish running the client. Use the following command:


ant undeploy

To remove the generated files, use the following command:


ant clean

Removing the Administered Objects for the simplemessage Example

After you run the example, you can use the following Ant targets to delete the connection factory and queue:


ant delete-cf
ant delete-queue