使用Spring Security，我试图使用Spring创建以下身份验证验证。
@Service("LoginUserDetailsServiceImpl")
public class LoginUserDetailsServiceImpl implements UserDetailsService {
private static final Logger logger = Logger.getLogger(UserDetailsService.class);
@Autowired
private CustomerDao customerDao;
@Override
public UserDetails loadUserByUsername(String email) throws UsernameNotFoundException {
logger.info("Customer DAO Email:" +email);
Customer customer = customerDao.getCustomer(email);
logger.info("Customer DAO Email:" +customer.getEmail());
Roles role = customer.getRole();
logger.info("Customer DAO Role:" + role.getRoles());
MyUserPrincipalimpl principal = new MyUserPrincipalimpl(customer);
logger.info("customerUserDetails DAO:" +principal);
if (customer == null) {
throw new UsernameNotFoundException(email);
}
return principal;
}
}
产生以下错误
5:56,638 WARN XmlWebApplicationContext:487 - Exception encountered during context initialization - cancelling refresh attempt
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'LoginUserDetailsServiceImpl': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.emusicstore.dao.CustomerDao com.emusicstore.serviceImpl.LoginUserDetailsServiceImpl.customerDao; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.emusicstore.dao.CustomerDao] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334)
我发现我是否将以下内容注释掉
<bean id="LoginUserDetailsServiceImpl" class="com.emusicstore.serviceImpl.LoginUserDetailsServiceImpl"/>
从我的application-security.xml中，不会产生上述错误。我的junit测试也将毫无问题地执行。
@Autowired
CustomerDao customerDao;
@Test
public void LoginService() {
String email="customeremail";
logger.info("Customer DAO Email:" +email);
Customer customer = customerDao.getCustomer(email);
logger.info("Customer DAO Email:" +customer.getEmail());
Roles role = customer.getRole();
logger.info("Customer DAO Role:" + role.getRoles());
}
回购
@Repository
public class CustomerDaoImp implements CustomerDao {
private static final Logger logger = Logger.getLogger(CustomerDaoImp.class);
@Autowired
SessionFactory sessionFactory;
应用程序security.xml
<?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:security="http://www.springframework.org/schema/security"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:webflow-config="http://www.springframework.org/schema/webflow-config"
xsi:schemaLocation=" http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/security
http://www.springframework.org/schema/security/spring-security.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/security
http://www.springframework.org/schema/security/spring-security.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- <bean id="LoginUserDetailsServiceImpl" class="com.emusicstore.serviceImpl.LoginUserDetailsServiceImpl"/>-->
<security:http auto-config="true" use-expressions="true">
<security:intercept-url pattern="/login_test" access="permitAll" />
<security:intercept-url pattern="/logout" access="permitAll" />
<security:intercept-url pattern="/accessdenied" access="permitAll" />
<security:intercept-url pattern="/productList" access="permitAll" />
<!-- <security:intercept-url pattern="/**" access="permitAll" /> -->
<security:intercept-url pattern="/admin/**" access="hasRole('ROLE_ADMIN')" />
<security:intercept-url pattern="/shoppingCart/checkOut" access="hasRole('ROLE_USER')" />
<security:form-login login-page="/login_test" login-processing-url="/j_spring_security_check" authentication-failure-url="/accessdenied"
/>
<security:logout logout-success-url="/logout" />
</security:http>
<!-- <security:authentication-manager>-
<security:authentication-provider user-service-ref="LoginUserDetailsServiceImpl"/>
</security:authentication-manager> -->
<security:authentication-manager alias="authenticationManager">
<security:authentication-provider>
<security:user-service>
<security:user name="lokesh" password="password" authorities="ROLE_USER" />
</security:user-service>
</security:authentication-provider>
</security:authentication-manager>
<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/mydb" />
<property name="username" value="root" />
<property name="password" value="t3l3com" />
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
</props>
</property>
<property name="packagesToScan">
<list>
<value>com.emusicstore</value>
</list>
</property>
</bean>
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="maxUploadSize" value="1024000" />
</bean>
</beans>
Spring-servlet.xml
<?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:mvc="http://www.springframework.org/schema/mvc"
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/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<mvc:annotation-driven></mvc:annotation-driven>
<context:component-scan base-package="com.emusicstore"></context:component-scan>
<bean id="viewresolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- setting maximum upload size -->
<property name="maxUploadSize" value="10000000" />
</bean>
<mvc:resources location="/WEB-INF/resource/" mapping="/resource/**"></mvc:resources>
<tx:annotation-driven />
</beans>
我不确定问题到底在哪里，但是我猜这是在xml中配置bean的方式。当我在xml文件中时，是否应该引用customerDao bean？我以为@Autowired注释会解决这个问题？
更新
如果我更新应用程序安全性以添加新的Customer Dao bean，则会引发新的错误消息。
<bean id="LoginUserDetailsServiceImpl" class="com.emusicstore.serviceImpl.LoginUserDetailsServiceImpl"/>
<bean id="CustomerDao" class="com.emusicstore.daoImpl.CustomerDaoImp"/>
我收到以下错误
'org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type [com.emusicstore.dao.CustomerDao] is defined: expected single matching bean but found 2: customerDaoImp,CustomerDao' 最佳答案
问题是Spring找不到CustomerDao实例。它可能无法在日志中更高的位置实例化，或者可能尚未以可被Spring Framework实例化并使其可用于注入的方式进行定义。
如果使用基于XML的依赖项注入，则在XML中定义ID为CustomerDao的customerDao实例与定义LoginUserDetailsServiceImpl的方式类似。
或者，如果您使用的是基于注释的依赖注入，则将适当的构造型注释（@Component，@Repository等）添加到CustomerDao，以便Spring IoC知道实例化它并使其可用于依赖注入。