I guess it was because I needed to add a entity-manager="em" attribute to the framework:entity-query because that's what my core:managed-persistence-context is, but that gave the following exception on deployment: Exception sending context initialized event to listener instance of class org.jboss.seam.servlet.SeamListener | java.lang.IllegalArgumentException: No converter for type: javax.persistence.EntityManager View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4016200#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...