私の現在の目標は、Hibernate 4 を使用して Web アプリでトランザクション管理を有効にすることです。
まず、私のweb.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<!-- The definition of the Root Spring Container shared by all Servlets
and Filters -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-INF/spring/root-context.xml,
/WEB-INF/spring/appServlet/*-context.xml
</param-value>
</context-param>
<!-- Creates the Spring Container shared by all Servlets and Filters -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.security.web.session.HttpSessionEventPublisher</listener-class>
</listener>
<!-- Processes application requests -->
<servlet>
<servlet-name>mvc-dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mvc-dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- Spring Security -->
<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>
<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<session-config>
<session-timeout>5</session-timeout>
</session-config>
</web-app>
mvc-dispatcher-servlet.xml (servlet-context.xml から名前が変更されました):
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="sec://www.springframework.org/schema/mvc"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.1.xsd">
<!-- DispatcherServlet Context: defines this servlet's request-processing
infrastructure -->
<context:component-scan base-package="com.moose.springmvc.controller" />
<!-- Enables the Spring MVC @Controller programming model -->
<mvc:annotation-driven />
<!-- Handles HTTP GET requests for /resources/** by efficiently serving
up static resources in the ${webappRoot}/resources directory -->
<mvc:resources mapping="/resources/**" location="resources/" />
<!-- Resolves views selected for rendering by @Controllers to .jsp resources
in the /WEB-INF/views directory -->
<beans:bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<beans:property name="prefix" value="/WEB-INF/views/" />
<beans:property name="suffix" value=".jsp" />
</beans:bean>
<mvc:interceptors>
<beans:bean
class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor">
<beans:property name="paramName" value="lang" />
</beans:bean>
</mvc:interceptors>
</beans:beans>
私の database-context.xml (spring-database.xml から名前が変更された) 構成:
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd">
<context:component-scan base-package="com.moose.springmvc.service,com.moose.springmvc.dao" />
<tx:annotation-driven proxy-target-class="true" transaction-manager="transactionManager"/>
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager"
p:sessionFactory-ref="sessionFactory" />
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean"
p:packagesToScan="com.moose.springmvc.entity" p:dataSource-ref="dataSource"
p:configLocation="classpath:hibernate.cfg.xml">
</bean>
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="com.mysql.jdbc.Driver" />
<property name="jdbcUrl" value="jdbc:mysql://localhost:3306/crud" />
<property name="user" value="root" />
<property name="password" value="mysql@123#" />
<!-- TODO adjust pooling parameters... -->
</bean>
</beans>
私のDAOクラス:
@Repository
public class UserDAO
{
@Autowired
private SessionFactory sessionFactory;
...
public int save(User user)
{
return (Integer) sessionFactory.getCurrentSession().save(user);
}
...
}
私のサービスクラス:
@Service
@Transactional
public class UserService {
protected static Logger logger = LoggerFactory
.getLogger(UserService.class);
@Autowired
private UserDAO userDAO;
public Integer createUser(User user){
return userDAO.save(user);
}
}
AjaxBootstrapController クラスの関連コード:
@Controller
public class AjaxBootstrapController {
@Autowired
private UserService userService;
....
@RequestMapping(value = "/userAjaxCustomTag", method = RequestMethod.POST)
public String processFormAjax(
@ModelAttribute(value = "user") @Valid User user,
BindingResult result) {
if (!result.hasErrors()) {
userService.createUser(user);
}
return "userForm";
}
編集
hibernate.cfg.xml 構成:
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- Database connection settings -->
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://localhost:3306/crud</property>
<property name="connection.username">root</property>
<property name="connection.password">mysql@123#</property>
<!-- JDBC connection pool (use the built-in) -->
<property name="connection.pool_size">1</property>
<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<!-- Disable the second-level cache -->
<property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<!-- Drop and re-create the database schema on startup
<property name="hbm2ddl.auto">create</property>
-->
</session-factory>
</hibernate-configuration>
新しい例外が発生します:
org.hibernate.HibernateException: save is not valid without active transaction
at org.hibernate.context.internal.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:348)
at $Proxy31.save(Unknown Source)
at com.moose.springmvc.dao.UserDAO.save(UserDAO.java:45)
at com.moose.springmvc.service.UserService.createUser(UserService.java:23)
at com.moose.springmvc.service.UserService$$FastClassByCGLIB$$60239454.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)
at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:689)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)
at com.moose.springmvc.service.UserService$$EnhancerByCGLIB$$419f68a0.createUser(<generated>)
at com.moose.springmvc.controller.AjaxBootstrapController.processFormAjax(AjaxBootstrapController.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
構成または注釈に問題はありますか?