Linux: Java 5 post-installation configuration

After installing IBM® Java™ 5 you must configure the JVM to successfully launch the Tivoli® Enterprise Portal browser and Web Start clients.

1. Open a shell prompt, making sure you do so as the root user.
2. Launch the IBM Java 5 Control Panel application:

   cd /opt/ibm/java-i386-50/jre/bin
   ./ControlPanel

3. On the Java Control Panel, click the Java tab.
   Figure 1. Java Control Panel

   
4. On the Java tab, click View to see the installed versions of the Java runtime, and to configure the Java runtime arguments for the IBM Java 5 environment.
5. Click in the Runtime Parameters entry field associated with the Java 1.5 platform row, choose the one associated with IBM Java Path, and type (or copy-and-paste) the following argument string into the parameters field:

   -Xms128m -Xmx256m -Xverify:none

   Figure 2. Java Runtime Environment Settings

   
6. Press the Enter key to commit the changes to the parameters field, and click OK to close the JRE Settings sub-panel.
7. The Java Control Panel is displayed, click Apply to save your changes before continuing with the rest of the configuration.
8. Click the Advanced tab and expand the branches in the property tree, as shown in Figure 3.
   Figure 3. Java Control Panel

   
   Configure the following properties in the Advanced tab:
   1. Under the Debugging branch, select the following two properties:
      • Enable tracing
      • Show applet lifecycle exceptions
   2. Under the Command to launch default browser branch, make sure you have the correct path for launching the Firefox browser.
9. Click Apply to commit the property changes, and click OK to save and close the Java Control Panel.
10. You must recycle the Firefox browser for some of the configuration changes to take effect.