Spring 为什么@Service不创建bean

我有这门课

@Service("customUserDetailsService")
@Transactional(readOnly=true)
public class CustomUserDetailsService implements UserDetailsService { ....}

我正努力让这一切顺利进行

安全XML

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

    <context:annotation-config />
    <context:component-scan base-package="com.carlosocortina.paidosSimple,com.carlosocortina.paidosSimple.dao,com.carlosocortina.paidosSimple.service"/>

    <http auto-config="true" use-expressions="true">
        <intercept-url pattern="/sec/moderation.html" access="ROLE_ASISTENTE" />  
        <intercept-url pattern="/admin/*" access="ROLE_DOCTOR" />   
        <form-login login-page="/user-login.html" 
            default-target-url="/success-login.html" 
            authentication-failure-url="/error-login.html" />  
        <logout logout-success-url="/index.html" />
    </http>  

    <authentication-manager alias="authenticationManager">  
        <authentication-provider user-service-ref="customUserDetailsService" />
    </authentication-manager>  

</beans:beans>  

简而言之：没有定义名为“customUserDetailsService”的bean

我不知道为什么，有人能给我建议吗

附加信息

<?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/spring-security.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>

    <!-- Spring Security Configuration -->
    <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>

    <!-- Processes application requests -->
    <servlet>
        <servlet-name>appServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>/WEB-INF/spring/appServlet/servlet-context.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>appServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

</web-app>

上下文配置位置
/WEB-INF/spring/root context.xml，/WEB-INF/spring/spring-security.xml
org.springframework.web.context.ContextLoaderListener
springSecurityFilterChain
org.springframework.web.filter.DelegatingFilterProxy
springSecurityFilterChain
/
appServlet
org.springframework.web.servlet.DispatcherServlet
上下文配置位置
/WEB-INF/spring/appServlet/servlet-context.xml
1.
appServlet
/

尝试将

@Configurable

添加到您的服务中

我怀疑CustomUserDetails服务包与您的组件扫描声明不匹配：

<context:component-scan base-package="com.carlosocortina.paidosSimple,com.carlosocortina.paidosSimple.dao,com.carlosocortina.paidosSimple.service"/>

---

这是因为

servlet context.xml

放在dispatcher servlet中。由于dispatcher servlet是父上下文的子上下文，因此父上下文没有子上下文的依赖项，因此如果将

servlet context.xml

放在

context

参数中，您必须在

init

参数中包含

appServlet servlet.xml

，它可以正常工作。

我刚刚尝试过这个，但在spring时我还不是很全能，我尝试声明customUserDetailsService需要的bean，但我访问了SessionFactory，我不知道它是否与事务管理器使用的会话工厂相同，如果它属于servlet-contex.xml，我无法调用它

<context:component-scan base-package="com.carlosocortina.paidosSimple,com.carlosocortina.paidosSimple.dao,com.carlosocortina.paidosSimple.service"/>

<bean id="customUserDetailsService" class="...">