Paul,

--- On Sun, 4/11/10, Paul Carroll <pcarr...@nfmail.net> wrote:

> I am using Tomcat 6.0 on Windows
> Server 2003.  It seems that when my session expires I
> am redirected to the login page which I would expect. 
> However, my filter is not called when I am redirected to the
> login page.  When I used Jetty as my web server, the
> call was intercepted by the filter before the user was
> presented the login page.  Does anyone know why this is
> the case?  The following is the sections of my web.xml
> that contains the filter info.
> 
> <filter>
>   <filter-name>SessionTimeoutFilter</filter-name>
>     <filter-class>com.mycompany.ui.filters.SessionTimeoutFilter</filter-class>
>       <init-param>
>         <param-name>home</param-name>
>         <param-value>/home.do</param-value>
>       </init-param>
>     </filter>
> 
>     <filter-mapping>
>       <filter-name>SessionTimeoutFilter</filter-name>
>       <servlet-name>action</servlet-name>
>     </filter-mapping>
> 
>     <servlet>
>       <servlet-name>action</servlet-name>
>       <servlet-class>com.mycompany.ui.web.ActionServlet</servlet-class>
>       <init-param>
>         <param-name>config</param-name>
>       </init-param>
>     </servlet>
>
>     <servlet-mapping> 
>       <servlet-name>action</servlet-name>
>       <url-pattern>*.do</url-pattern>
>     </servlet-mapping>
> 
> 
> My index.jsp contains 1 line which redirects to home.do.
> 

Your filter is mapped to <servlet-name> action which is mapped to <url-pattern> 
*.do

Don't know about Jetty, but you will probably get the behavior you expect if 
you change the <filter-mapping> element to use:
  <url-mapping>/*</url-mapping> (and remove <servlet-name>)

- Bob





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