Thanks. | <persistence-unit name="bookingLocal" transaction-type="RESOURCE_LOCAL"> | <properties> | <property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect"/> | <property name="hibernate.connection.driver_class" value="org.hsqldb.jdbcDriver"/> | <property name="hibernate.connection.username" value="sa"/> | <property name="hibernate.connection.password" value=""/> | <property name="hibernate.connection.url" value="jdbc:hsqldb:."/> | <property name="hibernate.max_fetch_depth" value="3"/> | </properties> | </persistence-unit> | I was still getting the NoClassDefFoundError for CacheException, though. So I just grabbed the jar from hibernate core (downloaded separately) and put it in lib. Then it ran fine. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4010710#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...