<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
   <persistence-unit name="test.persistence">
      <provider>org.hibernate.ejb.HibernatePersistence</provider>
      
      <class>com.myapp.datamodel.OrderDetail</class>
      <class>com.myapp.datamodel.OrderDetailAttachment</class>
      <class>com.myapp.datamodel.OrderHeader</class>
      <class>com.myapp.datamodel.OrderHeaderAttachment</class>
      <exclude-unlisted-classes />

      <properties>
         <property name="hibernate.dialect" value="org.hibernate.dialect.OracleDialect" />
         <property name="hibernate.connection.driver_class" value="oracle.jdbc.driver.OracleDriver" />
         <property name="hibernate.show_sql" value="true" />
         <property name="hibernate.connection.username" value="......" />
         <property name="hibernate.connection.password" value="........" />
         <property name="hibernate.connection.url" value="........." />
         <property name="hibernate.cache.use_second_level_cache" value="true"/>
         <property name="hibernate.cache.region.factory_class" value="org.hibernate.cache.jbc2.MultiplexedJBossCacheRegionFactory" />
      </properties>
   </persistence-unit>
</persistence>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
   xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
                  http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
                  http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"
   default-autowire="byName">

   <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">
      <property name="persistenceUnitName" value="test.persistence" />
   </bean>
   
   <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
      <property name="entityManagerFactory" ref="entityManagerFactory" />
   </bean>

   <tx:annotation-driven />

   <context:annotation-config />

   <context:component-scan base-package="com.myapp" />
</beans>

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("/application-context.xml")
@Transactional
public class OrderManagerTest {
   
   @Autowired
   private OrderManager orderManager;
   
   @Test
   public void test1() {
      OrderHeader orderHeader = orderManager.getOrderHeader(new BigDecimal(557916160));
   }
   
   @Test
   public void test2() {
      OrderHeader orderHeader = orderManager.getOrderHeader(new BigDecimal(557916160));
   }
}

@Entity
@Table(name="order_header")
@Cacheable
public class OrderHeader implements Serializable {
.....