Hibernate: insert into SEMINAR (title, description, MEMBER_ID) values (?, ?, ?)
Hibernate: SELECT LAST_INSERT_ID()
Hibernate: update SEMINAR set title=?, description=?, MEMBER_ID=? where SEMINAR_ID=?
Hibernate: insert into SEMINARTOPIC (title, description, data) values (?, ?, ?)
Hibernate: SELECT LAST_INSERT_ID()
Hibernate: update SEMINARTOPIC set title=?, description=?, data=? where SEMINARTOPIC_ID=?
Hibernate: insert into SEMINARTOPIC (title, description, data) values (?, ?, ?)
Hibernate: SELECT LAST_INSERT_ID()
Hibernate: update SEMINARTOPIC set title=?, description=?, data=? where SEMINARTOPIC_ID=?
Hibernate: update PERSON set SEMINAR_ID=?, I=? where PERSON_ID=?
Could not synchronize database state with session
net.sf.hibernate.HibernateException: Batch update row count wrong: 0
   at net.sf.hibernate.impl.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:65)
   at net.sf.hibernate.impl.BatcherImpl.executeBatch(BatcherImpl.java:118)
   at net.sf.hibernate.impl.SessionImpl.executeAll(SessionImpl.java:2306)
   at net.sf.hibernate.impl.SessionImpl.execute(SessionImpl.java:2260)

                // insert seminar
      Seminar seminar = new Seminar();
      seminar.setDescription("One2ManyUniTest");
                session.saveOrUpdate(seminar);

      // insert seminar topics
      SeminarTopic st1 = new SeminarTopic();
      st1.setTitle("testTopic1");
                session.saveOrUpdate(st1);
      SeminarTopic st2 = new SeminarTopic();
      st2.setTitle("testTopic2");
                session.saveOrUpdate(st2);
               

      // add seminar topics to seminar
      ArrayList sts = new ArrayList();
      sts.add(st1);
      sts.add(st2);
      seminar.setSeminarTopics(sts);
                session.saveOrUpdate(seminar);

- <class name="model.Person" select-before-update="true" table="PERSON" mutable="true" polymorphism="implicit" dynamic-update="false" dynamic-insert="false" batch-size="1" optimistic-lock="version">
.....
- <subclass name="model.SeminarParticipant" extends="model.Person" dynamic-update="false" dynamic-insert="false">
- <property name="department" not-null="false" unique="false" update="true" insert="true">
  <column name="department" not-null="false" />
  </property>
- <property name="email" not-null="false" unique="false" update="true" insert="true">
  <column name="email" not-null="false" />
  </property>
  <many-to-one name="seminarTopic" column="SEMINARTOPIC_ID" insert="false" update="false" not-null="false" unique="false" outer-join="auto" />
  <many-to-one name="seminar" column="SEMINAR_ID" insert="false" update="false" not-null="false" unique="false" outer-join="auto" />
- <property name="matriculationNo" not-null="false" unique="false" update="true" insert="true">
  <column name="matriculationNo" not-null="false" />
  </property>
  </subclass>
....
  </class>

- <class name="model.Seminar" table="SEMINAR" select-before-update="true" mutable="true" polymorphism="implicit" dynamic-update="false" dynamic-insert="false" batch-size="1" optimistic-lock="version">
.....
- <list name="seminarTopics" lazy="true" cascade="save-update" inverse="false" batch-size="1" outer-join="auto">
  <index column="I" />
  <key column="SEMINAR_ID" />
  <one-to-many class="model.SeminarTopic" />
  </list>
- <list name="seminarParticipants" lazy="true" cascade="save-update" inverse="false" batch-size="1" outer-join="auto">
  <index column="I" />
  <key column="SEMINAR_ID" />
  <one-to-many class="model.SeminarParticipant" />
  </list>
......
  </class>

- <class name="model.SeminarTopic" table="SEMINARTOPIC" select-before-update="true" mutable="true" polymorphism="implicit" dynamic-update="false" dynamic-insert="false" batch-size="1" optimistic-lock="version">
...
- <list name="seminarParticipants" lazy="true" cascade="save-update" inverse="false" batch-size="1" outer-join="auto">
  <index column="I" />
  <key column="SEMINARTOPIC_ID" />
  <one-to-many class="model.SeminarParticipant" />
  </list>
...
  </class>