I am running into this issue with Spring 3.1.3 release and with the following application context file. I am not quite sure why does this occur. Have looked into most of the posts related to this. I dont think I have a version mismatch.
Application Context file:
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:security="http://www.springframework.org/schema/security"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/security
http://www.springframework.org/schema/security/spring-security-3.1.xsd">
<security:http auto-config='true' entry-point-ref="casEntryPoint" >
<security:intercept-url pattern="/panelpipeline/**" access="ROLE_USER"/>
<security:intercept-url pattern="/**" access="IS_AUTHENTICATED_ANONYMOUSLY"/>
</security:http>
<bean id="serviceProperties" class="org.springframework.security.cas.ServiceProperties">
<property name="service"
value="https://seqdws1/cas/j_spring_cas_security_check" />
<property name="sendRenew" value="false" />
</bean>
<security:http entry-point-ref="casEntryPoint">
<security:custom-filter position="CAS_FILTER"
ref="casFilter" />
</security:http>
<bean id="casFilter"
class="org.springframework.security.cas.web.CasAuthenticationFilter">
<property name="authenticationManager" ref="authenticationManager" />
</bean>
<bean id="casEntryPoint"
class="org.springframework.security.cas.web.CasAuthenticationEntryPoint">
<property name="loginUrl" value="https://seqdws1/cas/login" />
<property name="serviceProperties" ref="serviceProperties" />
</bean>
<security:authentication-manager alias="authenticationManager">
<security:authentication-provider
ref="casAuthenticationProvider" />
</security:authentication-manager>
<bean id="casAuthenticationProvider"
class="org.springframework.security.cas.authentication.CasAuthenticationProvider">
<property name="userDetailsService" ref="userService" />
<property name="serviceProperties" ref="serviceProperties" />
<property name="ticketValidator">
<bean class="org.jasig.cas.client.validation.Cas20ServiceTicketValidator">
<constructor-arg index="0" value="https://seqdws1/cas" />
</bean>
</property>
<property name="key" value="an_id_for_this_auth_provider_only" />
</bean>
<security:user-service id="userService">
<security:user name="joe" password="joe" authorities="ROLE_USER" />
</security:user-service>
<!-- <security:authentication-manager> <security:authentication-provider>
<security:user-service> <security:user name="jimi" password="jimispassword"
authorities="ROLE_USER, ROLE_ADMIN" /> <security:user name="bob" password="bobspassword"
authorities="ROLE_USER" /> </security:user-service> </security:authentication-provider>
</security:authentication-manager> -->
POM dependencies
<dependencies>
<dependency>
<groupId>com.google.gwt</groupId>
<artifactId>gwt-servlet</artifactId>
<version>${gwtVersion}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.google.gwt</groupId>
<artifactId>gwt-user</artifactId>
<version>${gwtVersion}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.7</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.validation</groupId>
<artifactId>validation-api</artifactId>
<version>1.0.0.GA</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.validation</groupId>
<artifactId>validation-api</artifactId>
<version>1.0.0.GA</version>
<classifier>sources</classifier>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-core</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-asm</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-cas</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
</dependencies>
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