Installing the Loadbalancer Plug-In

The GlassFish Loadbalancer Plug-In is shipped as a ZIP bundle that you install after installing and configuring GlassFish Server and your desired web server. The plug-in is installed by means of a graphical GlassFish Loadbalancer Configurator that helps you configure your web server and GlassFish Server to work together.

Note - The Loadbalancer Plug-In is only available to customers who are using Oracle GlassFish Server 3.1. The plug-in is not available for GlassFish Server Open Source Edition.

To Install the Loadbalancer Plug-In

This procedure explains how to download and install the GlassFish Loadbalancer Plug-In. Most of the configuration instructions for the Plug-In are integrated into the GlassFish Loadbalancer Configurator interface and online help, so the instructions here are intended only to get you started with the plug-in configuration process.

Note - Regardless of the web server on which the Loadbalancer Plug-In is installed, if you subsequently re-create a GlassFish Server domain and want to continue to use the Auto Apply feature, the Loadbalancer Plug-In must be re-installed. This is necessary so a new DAS Certificate can be regenerated and re-imported into the web server configuration. See Auto Apply for more information about this feature.

Before You Begin

Before installing the Loadbalancer Plug-In, ensure that the following conditions have been met:

Your operating system and web server combination is supported by the Loadbalancer Plug-in. See Supported Operating Systems and Web Servers.
GlassFish Server 3.1 is installed and configured as described in the Oracle GlassFish Server 3.1 Installation Guide.
The web server for which you want to configure the Loadbalancer Plug-In is installed and configured according to the web server software provider's instructions.
You have reviewed and, if necessary, performed the preparatory web server configuration steps explained earlier in this chapter.

Download the GlassFish Loadbalancer Configurator ZIP archive.
The Configurator ZIP archive is available for download at http://www.oracle.com/technetwork/middleware/glassfish/downloads/index.html.
Unzip the Configurator ZIP archive to the directory of your choice.
Launch the Loadbalancer Configurator by running the glassfish-lbconfigurator-3_1.jar file that was included in the Configurator ZIP archive.
The version number will vary depending on the version of the Configurator archive you downloaded. For example:
```
java -jar glassfish-lbconfigurator-3_1.jar
```
Follow the onscreen instructions in the Loadbalancer Configurator.
Use the Help button to display online help for any screen for which you want additional information.
When the Configurator has completed, proceed with the instructions in Verifying Loadbalancer Plug-In Configuration.

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	Oracle GlassFish Server 3.1-3.1.1 High Availability Administration Guide