Spring Security中`No bean named 'springSecurityFilterChain' is defined 错误的解决办法``

严重: Exception starting filter springSecurityFilterChain
org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'springSecurityFilterChain' is defined
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanDefinition(DefaultListableBeanFactory.java:387)
at org.springframework.beans.factory.support.AbstractBeanFactory.getMergedLocalBeanDefinition(AbstractBeanFactory.java:971)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:246)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:168)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:884)
at org.springframework.web.filter.DelegatingFilterProxy.initDelegate(DelegatingFilterProxy.java:216)
at org.springframework.web.filter.DelegatingFilterProxy.initFilterBean(DelegatingFilterProxy.java:145)
at org.springframework.web.filter.GenericFilterBean.init(GenericFilterBean.java:179)

spring Security自动生成的``

出错误正是因为spring Security未能自动生成`这个bean``

在application-Security.xml中`添加一个空的<http>标签`就可以让spring Security生成这样一个bean``

<http auto-config='true'>

</http>

?

?