badi - 2007-03-13

hi members
I currently try to integrate the framwork acegi with Spring. my problem lies in the form of authentification and particulary in “the action” of the form: 
<form name="form1" action="j_acegi_security_check" method="GET">

this action must be, normally, intercepted by “authenticationProcessingFilter” which is in the file of configuration “applicationContext.xml”:
------------------------
<bean id="filterChainProxy" class="org.acegisecurity.util.FilterChainProxy">
<property name="filterInvocationDefinitionSource">
<value>
CONVERT_URL_TO_LOWERCASE_BEFORE_COMPARISON
PATTERN_TYPE_APACHE_ANT
/**=httpSessionContextIntegrationFilter,[COLOR="blue"]authenticationProcessingFilter[/COLOR],exceptionTranslationFilter,logoutFilter,securityContextHolderAwareRequestFilter,rememberMeProcessingFilter,anonymousProcessingFilter,filterInvocationInterceptor
</value>
</property>
</bean>
......

"]<bean id="authenticationProcessingFilter" class="org.acegisecurity.ui.webapp.AuthenticationProcessingFilter">
<property name="authenticationManager" ref="authenticationManager"/>
<property name="authenticationFailureUrl" value="/index.jsp"/>
<property name="defaultTargetUrl" value="/"/>
<property name="filterProcessesUrl" value="/j_acegi_security_check"/>
<property name="rememberMeServices" ref="rememberMeServices"/>
</bean>
-----------------------------
however at the time of the sending nothing occurs, I would have error 404 rather. I will like to know if it is obligatory to use the key word “j_acegi_security_check” and if exist an additional configuration so that my action is intercepted( a confuration in web.xml for example).
THINKS FOR HELP