I found one the following web site: http://www.seamframework.org/Community/HowToDoTheJbossCache that the query must be configure to be cached programatically. According to my testing, it must be done in addition to the configuration in persistence.xml with | <property name="hibernate.cache.use_query_cache" value="true"/> | | Query accountQuery = em.createQuery("from Account a where a < 50"); | accountQuery.setHint("org.hibernate.cacheable", true); | List<Account> accounts = accountQuery.getResultList(); | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4194244#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...