Before you implement SAW in Portal Server 7.2, you need to install the following components:
JDK version 1.5 or above.
Sun Java Composite Application Platform Suite.
For more information on prerequisites to install Sun Java Composite Application Platform Suite and how to create a simple Business Process, refer the article http://developers.sun.com/portalserver/reference/techart/workflow.html.
For more information on using SAW plug-in to create you applications, refer the Adding the Workflow Portlet to the Sun Java System Portal Server 7.2 Desktop.
The application that you create using SAW to manage tasks, should have accessibility to the Sun Java Composite Application Platform Suite installation.