Hi, I did some crosspost sorry! You can find more info here: http://forum.hibernate.org/viewtopic.php?t=965159 I checked the logs: update an simple entity: | Time: 18:59:59 Priority: DEBUG Thread: TP-Processor2 NDC: null Logger: org.hibernate.cache.TransactionalCache Location: org.apache.commons.logging.impl.Log4JLogger.debug(Log4JLogger.java:84) Message: | updating: xxx.model.Kedvencek#48 | during collection update no cache log appears. And I found an interesting forum topic here, where Gavin says that i want impossible thing: http://forum.hibernate.org/viewtopic.php?t=956952 What's your opinion about this? Do i have to manually evict the collection after each update(in postupdate event or in interceptor?) lazlo View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3974288#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...