Sun Java Enterprise System 5 Release Notes for UNIX

JSP compilation errors in Application Server after other components are upgraded to Java ES 5 (6388329)

After upgrading any Java ES component to Java ES 5 on a system running Release 3 or Release 4 Application Server (version 8.1), Application Server reports errors when you compile JSP pages.

Solution Upgrade Application Server to Java ES 5, or apply the following patch to Application Server 8.1: