Configuring exceptionMappings in Spring Security 2.0.3

In Spring Security 2.0.3, security namespace doesn't provide out-of-box support for configuring exceptionMappings like BadCredentialsException, CredentialsExpiredException, LockedException e.t.c.
One can configure exception mapping by explicitly configuring authenticationProcessingFilter as shown below:

1. disable http auto-config, ie auto-config="false". Exception would be thrown is auto-config is on.

<sec:http ref="authenticationProcessingFilterEntryPoint" config="false">
<sec:intercept-url pattern="/webflow/flows/**" access="ROLE_ALL" />
<sec:intercept-url pattern="/j_spring_security_check" 
  access="IS_AUTHENTICATED_ANONYMOUSLY" />
<sec:logout url="/j_spring_security_logout" session="true"></sec:logout>
</sec:http>

2. Register authenticationProcessingFilter, authenticationProcessingFilterEntryPoint

<bean id="authenticationProcessingFilter"
class="org.springframework.security.ui.webapp.AuthenticationProcessingFilter">
<sec:custom-filter position="AUTHENTICATION_PROCESSING_FILTER"/>
<property name="authenticationManager" ref="authenticationManager" />
<property name="authenticationFailureUrl" value="/login.jsp?login_error=1"/>
<property name="exceptionMappings"> 
 <props>
  <prop key="org.springframework.security.BadCredentialsException">
     /error.jsp
  </prop>
  <prop key="org.springframework.security.CredentialsExpiredException">
     /getnewpassword.jsp
  </prop>
  <prop key="org.springframework.security.LockedException">
     /lockedoutpage.jsp
  </prop>
  <prop key="org.springframework.security.DisabledException">
     /unauthorizeduser.jsp
  </prop>
 </props>
</property>
<property name="defaultTargetUrl" value="/home">
<property name="filterProcessesUrl" value="/j_spring_security_check" />
</bean>

3. Register authenticationManager using security namespace:

<sec:authentication-manager alias="authenticationManager">

4. Register authenticationProvider using security namespace:

<sec:authentication-provider>
<sec:user-service>
   <sec:user name="rod" password="koala" authorities="ROLE_SUPERVISOR">
   </sec:user>
</sec:user-service>
</sec:authentication-provider>