spring - SpringSecurity - Concurrent Session does not work -

i implementing control of concurrent session spring security.

but when login in system chrome user , after on firefox same user, not display error message. no exception in console.

my web.xml :

<!-- ... -->  <listener>   <listener-class>     org.springframework.security.web.session.httpsessioneventpublisher   </listener-class> </listener>  <!-- .... --> 

my security.xml :

  <-- .... -->     <security:http auto-config="true" use-expressions="true">      <security:intercept-url pattern="/**" access="isauthenticated()" />      <security:form-login login-page="/login" default-target-url="/home"                           authentication-failure-url="/login?logout=true"                           authentication-success-handler-ref="authenticationsuccesshandler"                          authentication-failure-handler-ref="authenticationfailurehandler"/>       <security:logout logout-url="/j_spring_security_logout" invalidate-session="true" success-handler-ref="logouthandler"/>       <security:custom-filter ref="concurrencyfilter" position="concurrent_session_filter"/>     <security:session-management session-authentication-strategy-ref="concurrentsessionmanager" session-authentication-error-url="/login?msg=sessionerror"/>   </security:http>   <bean id="authenticationfilter" class="org.springframework.security.web.authentication.usernamepasswordauthenticationfilter">         <property name="authenticationmanager" ref="authenticationmanager"/>         <property name="sessionauthenticationstrategy" ref="concurrentsessionmanager"/> </bean>  <!-- authentication manager --> <security:authentication-manager alias="authenticationmanager">     <!-- custom authentication provider -->     <security:authentication-provider ref="hemisphereauthenticationprovider"/> </security:authentication-manager>  <bean id="sessionregistry" class="org.springframework.security.core.session.sessionregistryimpl" />     <bean id="concurrencyfilter" class="org.springframework.security.web.session.concurrentsessionfilter">     <property name="sessionregistry" ref="sessionregistry"/>     <property name="expiredurl" value="/login?msg=sessionerror" /> </bean>   <bean id="concurrentsessionmanager" class="org.springframework.security.web.authentication.session.concurrentsessioncontrolstrategy">     <property name="maximumsessions" value="1"/>     <property name="exceptionifmaximumexceeded" value="true" />     <constructor-arg name="sessionregistry" ref="sessionregistry" /> </bean>  <bean id="hemisphereauthenticationprovider" class="security.hemisphereauthenticationprovider">     <property name="userdetailsservice" ref="userdetailservice"/> </bean>  <bean id="authenticationsuccesshandler" class="security.hemisphereauthenticationsuccesshandler">     <property name="defaulttargeturl" value="/home" />     <property name="alwaysusedefaulttargeturl" value="no" /> </bean>  <bean id="authenticationfailurehandler" class="security.hemisphereauthenticationfailurehandler">     <property name="defaultfailureurl" value="/login" /> </bean>  <bean id="logouthandler" class="security.hemispherelogouthandler"/> 

what doing wrong?

thanks attention!