PojoCache doesn't have such capability to mark a retrieved POJO as read only, I am afraid. -Ben View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4073428#4073428 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4073428