Hi, I'm having issue, I want to do multiple authentication 1st with CAS and 2nd with Facebook, so I updated my Spring Security to 3.1, it support multiple <http> and working as expected but when I input CAS configuration in the XML, I just got BeanCurrentlyInCreationException, because circular reference, here we go my spring security xml
Code:
<?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"
	xsi:schemaLocation="  
		http://www.springframework.org/schema/beans
		http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/security
        http://www.springframework.org/schema/security/spring-security-3.1.xsd">
   
   

	<!-- Start Spring Security Social-->

	<security:global-method-security
		proxy-target-class="false" >
	</security:global-method-security>
	
	<bean id="accessDecisionManager" class="org.springframework.security.access.vote.UnanimousBased"
		xmlns="http://www.springframework.org/schema/beans">
		<constructor-arg>
			<list>
				<bean class="org.springframework.security.access.vote.RoleVoter" />
				<bean class="org.springframework.security.access.vote.AuthenticatedVoter" />
			</list>
		</constructor-arg>
	</bean>

	<!-- CAS HTTP TAG -->
	<security:http auto-config="true" 
		use-expressions="true"
		disable-url-rewriting="true"
		xmlns="http://www.springframework.org/schema/security" 
		entry-point-ref="casAuthEntryPoint"
		pattern="/news/**">

		
		<intercept-url pattern="/news/**" access="hasRole('ROLE_USER')" />

		<custom-filter ref="casAuthenticationFilter" position="CAS_FILTER" />
		
		<custom-filter ref="casSingleSignOutFilter" after="LOGOUT_FILTER"/>
		
		<logout logout-url="/logout" invalidate-session="true" logout-success-url="/?logout=true"/>
		
	<access-denied-handler ref="o4uAccessDeniedHandler"/>
	</security:http>
	
	<!-- Spring Social HTTP TAG -->
	<security:http use-expressions="true"
		           entry-point-ref="springSocialSecurityEntryPoint" 
		           xmlns="http://www.springframework.org/schema/security"
		           >

		<intercept-url pattern="/protected/twitter" access="hasRole('ROLE_USER_TWITTER')" />
		<intercept-url pattern="/protected/facebook" access="hasRole('ROLE_USER_FACEBOOK')" />
		<intercept-url pattern="/protected/facebookTwitter" access="hasRole('ROLE_USER_FACEBOOK') and hasRole('ROLE_USER_TWITTER')" />
		<intercept-url pattern="/protected/**" access="hasRole('ROLE_USER')" />
		
		<intercept-url pattern="/oauthconnect.jsp" access="hasRole('ROLE_USER')" />

        <access-denied-handler ref="springSocialSecurityAccessDeniedHandler"/>


		<security:logout logout-url="/logout" />

		<anonymous />
		<security:custom-filter position="FORM_LOGIN_FILTER"
			ref="springSocialSecurityAuthenticationFilter" />

	</security:http>
	
	<bean id="springSocialSecurityEntryPoint"
  		class="org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint">
 		<property name="loginFormUrl" value="/oauthlogin.jsp"/>
	</bean>

	<!-- End Spring Security Social -->

	<!-- CAS -->
	<bean id="o4uAccessDeniedHandler" class="com.o4u.commons.security.O4uAccessDeniedHandler">
		<property name="deactiveUrl" value="#{config['members.deactiveUrl']}"/>
	</bean>
	
	<!-- AUTHENTICATION MANAGER -->
	<security:authentication-manager alias="authenticationManager">
		
		<security:authentication-provider ref="casAuthenticationProvider" />
	
	</security:authentication-manager>
	
	<bean id="casSingleSignOutFilter" class="org.jasig.cas.client.session.SingleSignOutFilter"/>
    
    <!-- AUTH ENTRY POINT -->
	<bean id="casAuthEntryPoint"
		class="org.springframework.security.cas.web.CasAuthenticationEntryPoint">
		<property name="loginUrl" value="#{config['cas.url']}" />
		<property name="serviceProperties" ref="casService" />
	</bean>
	
	<bean id="casService"
		class="org.springframework.security.cas.ServiceProperties">
		<property name="service"
			value="#{config['cas.auth']}"></property>
	</bean>

	<!-- AUTH FILTER -->
	<bean id="casAuthenticationFilter"
		class="org.springframework.security.cas.web.CasAuthenticationFilter">
		<property name="authenticationManager" ref="authenticationManager" /> <!-- Required -->
		<property name="filterProcessesUrl" value="/auth_check" />
		<!-- 
		<beans:property name="authenticationSuccessHandler" ref="authenticationSuccessHandler" />
		 -->
	</bean>

    <!-- Auth Provider -->
	<bean id="casAuthenticationProvider"
		class="org.springframework.security.cas.authentication.CasAuthenticationProvider">
		<property name="ticketValidator" ref="casTicketValidator" /> <!-- Required -->
		<!-- <beans:property name="ticketValidator" ref="samlTicketValidator"/> -->
		<property name="serviceProperties" ref="casService" /> <!-- Required -->
		<property name="key" value="olleh4u-cas" /> <!-- Required -->
		<property name="authenticationUserDetailsService"
			ref="authenticationUserDetailsService" />
	</bean>
	
	<!-- CAS Ticket Validator -->
	<bean id="casTicketValidator"
		class="org.jasig.cas.client.validation.Cas20ServiceTicketValidator">
		<!-- Constructor: public Cas20ServiceTicketValidator(final String casServerUrlPrefix) -->
		<constructor-arg value="#{config['cas.url']}" />
	</bean>
		
	<!-- AUTH USER DETAIL SERVICE -->	
	<bean id="authenticationUserDetailsService" class="org.springframework.security.core.userdetails.UserDetailsByNameServiceWrapper">
		<property name="userDetailsService" ref="jdbcUserDetailsManager"/>
	</bean>
	
	<!-- JDBC USER DETAIL MANAGER -->	
	<bean id="jdbcUserDetailsManager"
		class="org.springframework.security.provisioning.JdbcUserDetailsManager">
		<property name="authenticationManager" ref="authenticationManager" />
		<property name="dataSource" ref="dataSource-members" />
		<property name="enableGroups" value="true" />
		<property name="enableAuthorities" value="false" />
	</bean>
	
	
	<!-- SAML Ticket Validator
	<beans:bean id="samlTicketValidator" class="org.jasig.cas.client.validation.Saml11TicketValidator">
		<beans:constructor-arg value="#{config['cas.url']}" />
	</beans:bean>
 	 -->
	<!-- END CAS -->

	<bean id="passwordEncoder"
		class="org.springframework.security.authentication.encoding.Md5PasswordEncoder" />
</beans>

Got error
Code:
Caused by: org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'org.springframework.security.authenticationManager': Requested bean is currently in creation: Is there an unresolvable circular reference?
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.beforeSingletonCreation(DefaultSingletonBeanRegistry.java:300)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:219)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:322)
I'm using cas-client-core-3.1.10.jar and spring security version 3.1.2 Release, can anyone help?