Follow the specific steps outlined in this section before you install the web agent to reduce the chance of complications occurring during and after the installation.
You must have Java Runtime Environment (JRE) 1.3.1 or higher installed or available on a shared file system in order to run the graphical user interface (GUI) of the web agent installation program. Currently, JRE 1.3.1 or any version higher is certified for use with the web agent installation program.
Perform the following pre-installation tasks:
Ensure that Policy Agent 2.2 for Sun Java System Web Proxy Server 4.0 is supported on the desired platform as listed in Supported Platforms and Compatibility of Agent for Sun Java System Web Proxy Server 4.0.
Install Sun Java System Web Proxy Server 4.0 if not already installed.
Refer to the Sun Java System Web Proxy Server 4.0 documentation for details on how best to install and configure this server. For example, you can refer to Sun Java System Web Proxy Server 4.0.2 2005Q4 Installation and Migration Guide.
You should have a solid understanding of Sun Java System Web Proxy Server 4.0 to properly configure the server. Information provided in this guide about Sun Java System Web Proxy Server 4.0 does not serve as a substitute for the information available in the Sun Java System Web Proxy Server 4.0 product documentation.
Ensure that Sun Java System Web Proxy Server 4.0 has the latest patches available.
Set your JAVAHOME environment variable to a JDK version 1.3.1_04 or higher.
The installation requires that you set up your JAVAHOME variable correctly. However, if you have incorrectly set the JAVAHOME variable, the setup script will prompt you for supplying the correct JAVAHOME value:
Please enter JAVAHOME path to pick up java: