Sun OpenSSO Enterprise Policy Agent 3.0 Guide for Sun Java System Application Server 8.1/8.2/9.0/9.1 and GlassFish

Setting Your JAVA_HOME Environment Variable

Version 3.0 agents, including the agentadmin program, require JDK 1.5 or later on the server where you plan to install the agent. Before you install the agent, set your JAVA_HOME environment variable to point to the JDK installation directory.