Simple Session Manager and JDBC Session Manager are not supported by Sun Java System Web Server 6.1. For more details about session managers, see the Sun Java System Web Server 6.1 SP10 Programmer’s Guide to Web Applications.
If your iPlanet Web Server 4.1 web applications specified SimpleSessionManager, you should change the name of the class to IWSSessionManager. You then have the option of adding persistence. Persistence-type must be set to s1ws60. Other Init attributes such as timeOut and reapInterval are unchanged.
If your iPlanet Web Server 4.1 web application specified JDBCSessionManager, you should change the name of the class to IWSSessionManager and add the following attribute to the init-param element of the session manager: session-data-store=com.netscape.server.http.session.JdbcStore. Persistence-type must be set to s1ws60.
Other attributes such as provider and url remain unchanged.