Hibernate: Refreshing parent of many-to-one?

This sequence works fine for me: child. SetParent(parent); parent.getChildren(). Add(child); session.

SaveOrUpdate(child); session.flush(); Also, make sure that you REALLY need that cache. In my experience, 2-nd level cache rarely accelerates real applications and yet creates a lot of problems.

It's replicated Ehcache. Not sure what you mean by type. Will your solution work if I load the entity one minute later from 2nd level cache in another session, on another server?

– Konrad Garus Feb 21 at 21:57.

In my opinion, this is because of the nature of database isolation, things that are not committed should not be visible to other database connection (in things that are not committed should not be visible to other What you need to do to be visible in other bernate sessions is to commit the transaction (in commit the Transaction tx = session. BeginTransaction() child. SetParent(parent); session.

SaveOrUpdate(child); parent.getChildren(). Add(child); tx.commit() I quote from this documentation site In unmanaged context: You do not have to flush() the Session explicitly: the call to commit() automatically triggers the synchronization depending on the FlushMode for the session. A call to close() marks the end of a session.

The main implication of close() is that the JDBC connection will be relinquished by the session. This Java code is portable and runs in both non-managed and JTA environments.

It will be visible if you are using Eager loading.. For Lazy loading you need to initialize it: Parent p = em. Find(Parent. Class, 1); initialize(p); System.out.

Println(p. Child); More info about it can be found here.

It depends on the cache strategy you choosed for this parent. Children collection (READ_ONLY, NONSTRICT_READ_WRITE...) . If it's not READ_ONLY and the persist of child is done correctly, hibernate will evict the collection from the 2nd level cache.

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