[hibernate-dev] Spring + Hibernate Shards

Has anybody had luck using Spring with Hibernate Shards? I have implemented a sample in the spring environment. But the data does not get committed. (Sample project attached) I figured the issue is with transactions. in my Dao.save() if i add transaction code then i see the entries in DB. This does not seem right, we cannot commit on each save... Code: public PK save (E e) { Session s = this.getSessionFactory().openSession(); s2.flush(); Transaction tx =s2.beginTransaction(); Object o = s2.save(e); tx.commit(); s2.flush(); s2.close(); return (PK) o; Also getCurrentSession() on SharededSessionFactory throws "UnsupportedOperationException" Without Sharding, my configuration in XML was: Code: <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <property name="mappingResources"> .... </bean> Now, for sharding, i am using my own ShardedSessionFactoryBuilder class as described in: http://www.ibm.com/developerworks/ja...j-javadev2-11/<http://www.ibm.c... So there is no "LocalSessionFactoryBean". Is this needed for Transactions? thanks in advance.