Java Spring安全性：设置构造函数参数时无法解析对bean的引用

我正在SpringSecurity中实现记住我。这是我的配置

<bean id="rememberMeServices"
          class="com.spring.security.service.WMPersistentTokenBasedRememberMeServices">
        <constructor-arg name="userDetailsService" ref="loginService"/>
        <property name="tokenValiditySeconds" value="300"></property>
 </bean>


<security:http auto-config="false" use-expressions="true" entry-point-ref="appAuthenticationEntryPoint">
        <!-- Interceptor urls -->
        <security:remember-me user-service-ref="#{rememberMeServices.getUserDetailsServiceInstance()}" token-repository-ref="#{rememberMeServices.getTokenRepository()}" />
</security:http>

但当我使用上面的配置部署应用程序时，我会发现下面的错误

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#61fc8560': Cannot resolve reference to bean 'org.springframework.security.web.authentication.rememberme.PersistentTokenBasedRememberMeServices#0' while setting bean property 'logoutHandlers' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.web.authentication.rememberme.PersistentTokenBasedRememberMeServices#0': Cannot resolve reference to bean '#{rememberMeServices.getTokenRepository()}' while setting constructor argument; nested exception is org.springframework.beans.factory.NoSuchBeanDefinition
Exception: No bean named 'org.springframework.security.web.authentication.rememberme.InMemoryTokenRepositoryImpl@2a13c5e' is defined


Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.web.authentication.rememberme.PersistentTokenBasedRememberMeServices#0': Cannot resolve reference to bean '#{rememberMeServices.getTokenRepository()}' while setting constructor argument; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'org.springframework.security.web.authentication.rememberme.InMemoryTokenRepositoryImpl@2a13c5e' is defined

在中使用spring表达式语言删除时

 <security:remember-me ...>

标记并提供有效的用户引用实例，它工作正常

但当我使用spring表达式语言时，由于上述错误而失败。我怀疑bean创建的顺序

---

有人知道这个错误吗？

错误消息说明了一切：

Exception: No bean named 'org.springframework.security.web.authentication.rememberme.InMemoryTokenRepositoryImpl@2a13c5e' is defined

令牌存储库不是bean。事实上，如果您查看代码，令牌存储库是一个静态字段。与其使用静态字段，不如将其声明为bean：在xml配置中，添加如下内容：

<bean id="tokenRepository"
      class="org.springframework.security.web.authentication.rememberme.InMemoryTokenRepositoryImpl"/>

@Autowired
private PersistentTokenRepository tokenRepository;

---

Spring作为一个依赖项注入框架，提供了一些有用的机制来避免使用静态引用：只需使用这些机制。

即使按照您的建议进行了更改，仍然会出现错误。在设置构造函数参数时，无法解析对bean“#{rememberservices.getTokenRepository（）}”的引用；嵌套异常是org.springframework.beans.factory.NoSuchBeanDefinitionException：没有名为“org.springframework.security.web.authentication.rememberme”的bean。InMemoryTokenRepositoryImpl@4d19bf23'. bean的创建和自动连接都很好。我唯一关心的是表达式语言在spring安全标记中没有解析。

@Autowired
private PersistentTokenRepository tokenRepository;