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From Tim Funk <>
Subject Re: Servlet filter on j_security_check
Date Thu, 02 Feb 2006 19:53:37 GMT
You can't install a filter on j_security_check


Martin Dubuc wrote:

>  I am using form based authentication in my  application. I would like to know if it
is possible to install a  Servlet filter on j_security_check.
>   I have tried to install one, but it never gets invoked. Here is my filter definition
in application web.xml:
>       <filter>
>           <filter-name>LoginFilter</filter-name>
>           <filter-class>LoginFilter</filter-class>
>           <description>Performs pre-login and post-login operation</description>
>       </filter>
>       <filter-mapping>
>           <filter-name>LoginFilter</filter-name>
>           <url-pattern>/j_security_check</url-pattern>
>       </filter-mapping>
>   I have some logs in the doFilter function. It seems like doFilter never  gets called.
However, if I set the url-pattern property to /*, doFilter  gets called while rendering pages,
but doesn't seem to be invoked from  j_security_check.

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