我浏览过许多相关的话题和尝试不同的方法,但错误依然存在。环境:春天数据JPA,休眠,行家,tomcat7org.springframework.beans.factory.BeanCreationException:错误名为“UserController的”创建豆:自动装配依赖注射失败
错误堆栈:
org.apache.catalina.core.StandardContext listenerStart 严重:异常发送上下文初始化事件监听器类组织的实例.springframework.web.context.ContextLoaderListener org.springframework.beans.factory.BeanCreationException:错误创建名为“UserController的”豆:注射自动装配依赖的失败;嵌套的例外是org.springframework.beans.factory.BeanCreationException:无法自动装配领域:私人com.zzz.service.UserService com.zzz.controller.UserController.userService;嵌套异常是org.springframework.beans.factory.NoSuchBeanDefinitionException:类型[com.zzz.service.UserService]的任何合格的豆找到依赖性:预期至少1豆,其有资格作为自动装配候选这种依赖性。依赖注解:{@ org.springframework.beans.factory.annotation.Autowired(必需=真)} 在 ...
的applicationContext.xml
<beans xmlns="http://www.springframework.org/schema/beans" ... ... >
<context:component-scan base-package="com.zzz">
<context:exclude-filter type="annotation"
expression="org.springframework.stereotype.Controller" />
</context:component-scan>
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/zzz" />
<property name="username" value="root" />
<property name="password" value="root" />
</bean>
<bean id="entityManagerFactory"
class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="packagesToScan" value="com.zzz.entity" />
<property name="dataSource" ref="dataSource" />
<property name="jpaProperties">
<props>
<prop key="hibernate.hbm2ddl.auto">create</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
</props>
</property>
<property name="persistenceProvider">
<bean class="org.hibernate.jpa.HibernatePersistenceProvider" />
</property>
</bean>
<tx:annotation-driven transaction-manager="transactionManager" />
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<jpa:repositories base-package="com.zzz.repository" />
dispatcher-servlet.xml
<beans xmlns="http://www.springframework.org/schema/beans" ... ... >
<context:component-scan base-package="com.zzz.controller" />
<mvc:annotation-driven />
<mvc:resources mapping="/static/**" location="static/" />
<bean id="tilesConfigurer"
class="org.springframework.web.servlet.view.tiles3.TilesConfigurer">
<property name="definitions">
<list>
<value>/WEB-INF/defs/templates.xml</value>
</list>
</property>
</bean>
<bean id="viewResolver"
class="org.springframework.web.servlet.view.UrlBasedViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.tiles3.TilesView" />
</bean>
</beans>
UserController.java
@Controller
public class UserController {
@Autowired
private UserService userService;
@RequestMapping("/users")
public String users(Model model) {
model.addAttribute("users", userService.findAll());
return "users";
}
}
UserService.java
@Service
public class UserService {
@Autowired
private UserRepository userRepository;
public List<User> findAll() {
return userRepository.findAll();
}
}
UserRepository.java
public interface UserRepository extends JpaRepository<User, Integer> {
}
UDPATE 1
有2个自动装配错误:
无法自动装配领域:私人com.zzz.repository.UserRepository com.zzz.service.UserService.userRepository
不能自动装配领域:私人com.zzz.service.UserService com.zzz.controller.UserController.userService
UPDATE 2
我试图使用servlet的dispatcher.xml作为唯一的配置文件(把applicationContext.xml中的内容到它),它工作正常。所以这是这两个xml文件之间的问题,但我无法告诉它。
更新3
我改名的applicationContext.xml到根的context.xml,并contextConfigLocation的设置它在web.xml中,错误消失了!
这似乎是关于applicationContext.xml的一些配置错误,有人可以帮忙吗?
如果省略排除过滤器会发生什么情况?即''' –
2015-03-24 21:18:38
同样的错误,谢谢。 – laozh 2015-03-24 21:25:29
@ user4076806它也不起作用,它不符合逻辑:) – laozh 2015-03-24 22:01:35