Hello,
I am getting the following exception when I try to insert a record into mysql.
I am using Spring 2.03 with Hibernate JPA. I have pasted my code below and the
config files.
Any help would be greatly appreciated.
Suneet
---- service class ----
public class ServiceMgr {
protected ServiceDAO serviceDao;
public ServiceMgr() { }
public ServiceMgr(ServiceDAO serviceDao) {
super();
this.serviceDao = serviceDao;
}
public Service getService(String id) {
return serviceDao.findById(id);
}
@Transactional( propagation = Propagation.REQUIRED, readOnly = false )
public void addService(Service serv) {
serviceDao.persist(serv);
}
---- DOA Impl class ----
public class ServiceDAOBean implements ServiceDAO {
private static final Log log = LogFactory.getLog(ServiceDAOBean.class);
private EntityManager entityManager;
private EntityManagerFactory emf;
@PersistenceContext
public void setEntityManager(EntityManager em) {
entityManager = em;
}
@PersistenceContext
public void setEntityManagerFactory(EntityManagerFactory emf) {
this.emf = emf;
}
@Transactional( propagation = Propagation.REQUIRED, readOnly = false )
public void persist(Service transientInstance) {
log.debug("persisting Service instance");
try {
entityManager.persist(transientInstance);
log.debug("persist successful");
} catch (RuntimeException re) {
log.error("persist failed", re);
throw re;
}
}
---- Spring applicationContext.xml ----
<beans xmlns="http://www.springframework.org/schema/beans";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xmlns:aop="http://www.springframework.org/schema/aop";
xmlns:tx="http://www.springframework.org/schema/tx";
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.0.xsd";>
<constructor-arg ref="serviceDAO"></constructor-arg>
<tx:annotation-driven transaction-manager="transactionManager" />
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