Возникает lazy exception. Получаю класс А, обращаюсь к полю, которое связано с классом В и получаю exception. Использую HibernateDaoSupport. На сколько я понял, то нужно настроить HibernateInterceptor, но не мойму, как... Standalone приложение. | Код |
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<!-- DataSource -->
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName"><value>com.mysql.jdbc.Driver</value></property>
<property name="url"><value>jdbc:mysql://localhost/megashop</value></property>
<property name="username"><value>root</value></property>
<property name="password"><value>root</value></property>
</bean>
<!--***************************************************************************** -->
<!-- Hibernate SessionFactory -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource"><ref local="dataSource"/></property>
<property name="mappingResources">
<list>
<value>User.hbm.xml</value>
<value>Category.hbm.xml</value>
<value>Product.hbm.xml</value>
<value>Order.hbm.xml</value>
<value>OrderLine.hbm.xml</value>
<!-- Add list of .hbm.xml files here -->
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
<!-- <prop key="hibernate.hbm2ddl.auto">update</prop>-->
<prop key="hibernate.query.factory_class">org.hibernate.hql.ast.ASTQueryTranslatorFactory</prop>
</props>
</property>
</bean>
<!--***************************************************************************** -->
<!-- Hibernate transaction manager ************************************* -->
<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory">
<ref bean="sessionFactory"/>
</property>
</bean>
<!--***************************************************************************** -->
<bean id="hibernateInterceptor" class="org.springframework.orm.hibernate3.HibernateInterceptor">
<property name="sessionFactory">
<ref bean="sessionFactory"/>
</property>
</bean>
<bean id="productManager" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="target"><ref bean="productManagerTarget"/></property>
<property name="proxyInterfaces">
<value>com.vady.skeleton.service.ProductManager</value>
</property>
<property name="interceptorNames">
<list>
<value>transactionManager</value>
</list>
</property>
</bean>
<!-- DAO beans ************************************* -->
<bean id="userDAO" class="com.vady.skeleton.dao.impl.HibernateUserDAOImpl">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<bean id="categoryDAO" class="com.vady.skeleton.dao.impl.HibernateCategoryDAOImpl">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<bean id="productDAO" class="com.vady.skeleton.dao.impl.HibernateProductDAOImpl">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<bean id="orderDAO" class="com.vady.skeleton.dao.impl.HibernateOrderDAOImpl">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<!--***************************************************************************** -->
<!-- Manager beans ************************************* -->
<bean id="userManager" class="com.vady.skeleton.service.UserManagerImpl">
<property name="dao" ref="userDAO"/>
</bean>
<bean id="productManagerTarget" class="com.vady.skeleton.service.ProductManagerImpl">
<property name="dao" ref="productDAO"/>
</bean>
<!--***************************************************************************** -->
</beans>
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| Код |
package com.vady.skeleton.dao.impl;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.vady.skeleton.dao.ProductDAO;
import com.vady.skeleton.model.Product;
import java.util.List;
public class HibernateProductDAOImpl extends HibernateDaoSupport implements ProductDAO {
public void createProduct(Product product) {
getHibernateTemplate().saveOrUpdate(product);
}
public Product getProduct(long id) {
return (Product) getHibernateTemplate().load(Product.class, id);
}
public List getProductList() {
return getHibernateTemplate().find("from Product");
}
public void updateProduct(Product product) {
getHibernateTemplate().update(product);
}
public void deleteProduct(long id) {
Product product = getProduct(id);
getHibernateTemplate().delete(product);
}
}
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| Код |
package com.vady.skeleton.service;
import com.vady.skeleton.model.Product;
import java.util.List;
public interface ProductManager {
void createProduct(Product product);
Product getProduct(long id);
List getProductList();
void updateProduct(Product product);
void removeProduct(Product product);
}
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Spring + Hibernate = lazy exception, Проблемы с закрытой сессией. 
Дата 9.8.2007, 18:44 (
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