You can't get the EntityManager in a jsp page. If you want it in a servlet and are using a SMPC called entityManager you can do Component.getInstance("entityManager"), but you will need to transaction demarcation yourself. In general Seam/JSF without you needing to mix your presentation and business logic like that (there are still some cases where you have to use a servlet). View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4040883#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...