Yes it is part of the JSR 168, See PLT.15 of the sportlet spec. And the method store(). View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4040874#4040874 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4040874