Hello everyone, I'm using jboss 4.0.5 GA and EJB3 specification with JPA(Java Persistence API). In one persistent entity a have something like this: @OneToMany private Collection roles; But when in my web application (in a Servlet or jsp) i do something like this: Collection roles = user.getRoles() (in a servlet) or ${user.roles} (in a JSP), The jboss console displays: Laizy Initialization failed in collection of role: org.tha.Role (or something like this) I don't know if have something related with entity managers or with the database that i'm using (Mysql 4.1). Thanks if you people can help me. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3988963#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...