Spring+Hibernate

Pessoal, no meu codigo abaixo quando tento dar um commit o hibernate esta me passando a exceção :

org.springframework.transaction.TransactionSystemException: Could not commit Hibernate transaction; nested exception is org.hibernate.TransactionException: Transaction not successfully started
org.hibernate.TransactionException: Transaction not successfully started

Ja olhei tudo e nao consegui encherga o problema , abaixo segue o codigo;


public void insert(AbstractGenericDTO dto) {
		Session session = this.getFactorySession();
		try {
			session.beginTransaction();

			session.save(dto);
			// dar exception 
			session.getTransaction().commit();
		}catch(TransactionException ex){
			session.getTransaction().rollback();
			ex.printStackTrace();
		}
	}

vc mapeou sua classe dao no spring.xml.

ex.
<bean
id="classDao"
class=“br.com… .dao.ClassDaoImpl”

<property name="sessionFactory">
  <ref bean="hibernateFactory"/>
</property>

e criou o data source?

[]'s