Deployment in a standard JMX Agent environment (JBoss)

Once there is confidence that the MBean will function on the platform, deploying the MBean inside of a standard JMX Agent is the next step. Included are instructions for deploying to JBoss.

  1. Ensure a current version of java development kit (v1.4.x), see above.

    • Ensure JAVA_HOME is set (JBoss requires JAVA_HOME)

    • Ensure JAVA_HOME/bin is in the PATH (You will NOT need to set your CLASSPATH, nor will you need any of the jars used in the previous tests).

  2. Ensure a current version of JBoss (v4.0RC1 or better)

    select "Downloads"
    select "jboss-4.0.zip"
    pick a mirror
    unzip ~/dload/jboss-4.0.zip
    create a JBOSS_HOME environment variable set to the unzipped directory
    unix only:
    cd $JBOSS_HOME/bin
    chmod +x *.sh
  3. Deploy (copy) the connector-mxj.jar to $JBOSS_HOME/server/default/lib.

  4. Deploy (copy) mysql-connector-java-3.1.4-beta-bin.jar to $JBOSS_HOME/server/default/lib.

  5. Create a mxjtest.war directory in $JBOSS_HOME/server/default/deploy.

  6. Deploy (copy) index.jsp to $JBOSS_HOME/server/default/deploy/mxjtest.war.

  7. Create a mysqld-service.xml file in $JBOSS_HOME/server/default/deploy.

    <?xml version="1.0" encoding="UTF-8"?>
      <mbean code="com.mysql.management.jmx.jboss.JBossMysqldDynamicMBean"
      <attribute name="datadir">/tmp/xxx_data_xxx</attribute>
      <attribute name="autostart">true</attribute>
  8. Start jboss:

    • On unix: $JBOSS_HOME/bin/run.sh

    • On windows: %JBOSS_HOME%\bin\run.bat

    Be ready: JBoss sends a lot of output to the screen.

  9. When JBoss seems to have stopped sending output to the screen, open a web browser to: http://localhost:8080/jmx-console

  10. Scroll down to the bottom of the page in the mysql section, select the bulleted mysqld link.

  11. Observe the JMX MBean View page. MySQL should already be running.

  12. (If "autostart=true" was set, you may skip this step.) Scroll to the bottom of the screen. You may press the Invoke button to stop (or start) MySQL observe Operation completed successfully without a return value. Click Back to MBean View

  13. To confirm MySQL is running, open a web browser to http://localhost:8080/mxjtest/ and you should see that

    SELECT 1

    returned with a result of

  14. Guided by the $JBOSS_HOME/server/default/deploy/mxjtest.war/index.jsp you will be able to use MySQL in your Web Application. There is a test database and a root user (no password) ready to experiment with. Try creating a table, inserting some rows, and doing some selects.

  15. Shut down MySQL. MySQL will be stopped automatically when JBoss is stopped, or: from the browser, scroll down to the bottom of the MBean View press the stop service Invoke button to halt the service. Observe Operation completed successfully without a return value. Using ps or task manager see that MySQL is no longer running

As of 1.0.6-beta version is the ability to have the MBean start the MySQL database upon start up. Also, we've taken advantage of the JBoss life-cycle extension methods so that the database will gracefully shut down when JBoss is shutdown.

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