But my request.getRemoteUser() returns null. Have you had a chance to 
look at my previous email with log file.

Why return null value

Edward

Scott Battaglia wrote:
> When CASifying an application, you integrate the CAS client with your 
> application.  You don't integrate the CAS client with the CAS server 
> software. The CAS client library is what allows the application to 
> communicate with the CAS server.
>
> You should be configuring the wrapper on YOUR application if you want 
> access to request.getRemoteUser().
>
> -Scott
>
> On Tue, May 20, 2008 at 11:22 PM, Edward Chen <[EMAIL PROTECTED] 
> <mailto:[EMAIL PROTECTED]>> wrote:
>
>     Adam and Scott,
>
>     It seems to me that I missing the client configuration. I tried to
>     locate HttpServletRequestWrapperFilter file but I don't find them
>     in my
>     cas 3.21 folder. So, I download "cas-client-3.1.1-release" and I find
>     HttpServletRequestWrapperFilter file in it. I wonder if I need to
>     integrate client into server. If yes, how to integrate
>     case-client-3.1.1? using maven? ??
>
>     I am stuck in this problem.
>
>     Edward
>
>     Adam Rybicki wrote:
>     > Edward,
>     >
>     > It's hard to tell what effect your cas.war file custom build may
>     have
>     > on CAS itself.  Let's assume for the time being, that this is fine.
>     >
>     > Did you have a chance to look inside the Tomcat logs as the error
>     > message was suggesting?  Getting no response from CAS could be
>     caused
>     > by a certificate error.  I looked at
>     > AbstractCasProtocolUrlBasedTicketValidator, and it is possible that
>     > this class would return null on a communication error with CAS
>     > server.  It logs the error and returns null.  Can you locate the log
>     > file?  I think that the CAS Client may be actually using the log
>     file
>     > of your application.
>     >
>     > Adam
>     >
>     > Edward Chen wrote:
>     >> Hi Scott and other experts,
>     >>
>     >> Hi,
>     >>
>     >> Just  a thought about this problem. I don't know if it will make a
>     >> difference.
>     >>
>     >> I think maybe the CAS in my tomcat  is different. Why?
>     >>
>     >> I deployed my CAS to Tomcat by other method - our own build.xml.
>     >>
>     >> CAS 3.2.1 is built with Maven 2.0.9. <http://2.0.9.> I generate
>     cas.war not by Maven,
>     >> but by my build.xml
>     >>
>     >> The current problem seems to me that the CAS only talks itself
>     and not
>     >> react to any applications. That is why there is
>     >>
>     >> "...The CAS server returned no response...." when CAS linking to an
>     >> application.
>     >>
>     >> What do you think?
>     >>
>     >> Edward
>     >>
>     >>
>     >> Scott Battaglia wrote:
>     >>
>     >>> Edward,
>     >>>
>     >>> Can you try using the CAS 20 filter and see if that works?
>     >>>
>     >>> -Scott
>     >>>
>     >>> On Fri, May 16, 2008 at 11:52 PM, Edward Chen
>     <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
>     >>> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> wrote:
>     >>>
>     >>>     Here it's what I modify below. But it still doesn't work.
>     I have the
>     >>>     following exception. Can you tell what 's wrong with it?
>     Anything
>     >>>     wrong
>     >>>     with my cas filter?? Please help--very urgent
>     >>>
>     >>>
>     >>>      HTTP Status 500 -
>     >>>
>     >>>    
>     ------------------------------------------------------------------------
>     >>>
>     >>>     *type* Exception report
>     >>>
>     >>>     *message*
>     >>>
>     >>>     *description* _The server encountered an internal error ()
>     that
>     >>>     prevented it from fulfilling this request._
>     >>>
>     >>>     *exception*
>     >>>
>     >>>     javax.servlet.ServletException: The CAS server returned no
>     response.
>     >>>
>     >>>    
>      
> org.jasig.cas.client.validation.AbstractTicketValidationFilter.doFilter(AbstractTicketValidationFilter.java:152)
>     >>>
>     >>>    
>      
> org.jasig.cas.client.authentication.AuthenticationFilter.doFilter(AuthenticationFilter.java:103)
>     >>>
>     >>>     *root cause*
>     >>>
>     >>>     org.jasig.cas.client.validation.TicketValidationException:
>     The CAS
>     >>>     server returned no response.
>     >>>
>     >>>    
>      
> org.jasig.cas.client.validation.AbstractUrlBasedTicketValidator.validate(AbstractUrlBasedTicketValidator.java:162)
>     >>>
>     >>>    
>      
> org.jasig.cas.client.validation.AbstractTicketValidationFilter.doFilter(AbstractTicketValidationFilter.java:129)
>     >>>
>     >>>    
>      
> org.jasig.cas.client.authentication.AuthenticationFilter.doFilter(AuthenticationFilter.java:103)
>     >>>
>     >>>     *note* _The full stack trace of the root cause is
>     available in the
>     >>>     Apache Tomcat/5.5.25 logs._
>     >>>
>     >>>    
>     ------------------------------------------------------------------------
>     >>>
>     >>>
>     >>>          Apache Tomcat/5.5.25
>     >>>
>     >>>
>     >>>
>     >>>     ..........
>     >>>     <filter>
>     >>>         <filter-name>CAS Authentication Filter</filter-name>
>     >>>
>     >>>    
>     
> <filter-class>org.jasig.cas.client.authentication.AuthenticationFilter</filter-class>
>     >>>             <init-param>
>     >>>               <param-name>casServerLoginUrl</param-name>
>     >>>          
>     <param-value>https://casserver:8443/CAS/login</param-value>
>     >>>             </init-param>
>     >>>             <init-param>
>     >>>               <param-name>service</param-name>
>     >>>
>     >>>    
>     <param-value>http://casserver:8080/Recruiting/test.jsp</param-value>
>     >>>             </init-param>
>     >>>             <init-param>
>     >>>               <param-name>serverName</param-name>
>     >>>           <param-value>casserver:8080</param-value>
>     >>>             </init-param>
>     >>>           </filter>
>     >>>
>     >>>           <filter>
>     >>>             <filter-name>CAS Validation Filter</filter-name>
>     >>>
>     >>>    
>     
> <filter-class>org.jasig.cas.client.validation.Cas10TicketValidationFilter</filter-class>
>     >>>             <init-param>
>     >>>               <param-name>casUrlServerPrefix</param-name>
>     >>>           <param-value>https://casserver:8443/CAS</param-value>
>     >>>             </init-param>
>     >>>             <init-param>
>     >>>               <param-name>serverName</param-name>
>     >>>           <param-value>casserver:8080</param-value>
>     >>>             </init-param>
>     >>>           </filter>
>     >>>
>     >>>        <filter>
>     >>>              <filter-name>CAS HttpServletRequest Wrapper
>     >>>     Filter</filter-name>
>     >>>
>     >>>    
>     
> <filter-class>org.jasig.cas.client.util.HttpServletRequestWrapperFilter</filter-class>
>     >>>        </filter>
>     >>>
>     >>>       <filter-mapping>
>     >>>           <filter-name>CAS Authentication Filter</filter-name>
>     >>>           <url-pattern>/*</url-pattern>
>     >>>       </filter-mapping>
>     >>>
>     >>>       <filter-mapping>
>     >>>           <filter-name>CAS Validation Filter</filter-name>
>     >>>           <url-pattern>/*</url-pattern>
>     >>>       </filter-mapping >
>     >>>
>     >>>       <filter-mapping>
>     >>>           <filter-name>CAS HttpServletRequest Wrapper
>     Filter</filter-name>
>     >>>           <url-pattern>/*</url-pattern>
>     >>>       </filter-mapping >
>     >>>     .............
>     >>>
>     >>>
>     >>>     Edward
>     >>>
>     >>>     Adam Rybicki wrote:
>     >>>     > Scott's right, of course.  The Thread Local filter is
>     not needed for
>     >>>     > what you need.  It becomes handy if you don't have
>     access to the
>     >>>     > HttpServletRequest.
>     >>>     >
>     >>>     > Adam
>     >>>     >
>     >>>     > Scott Battaglia wrote:
>     >>>     >> On Fri, May 16, 2008 at 7:32 PM, Adam Rybicki
>     >>>     <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
>     <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
>     >>>     >> <mailto:[EMAIL PROTECTED]
>     <mailto:[EMAIL PROTECTED]> <mailto:[EMAIL PROTECTED]
>     <mailto:[EMAIL PROTECTED]>>>> wrote:
>     >>>     >>
>     >>>     >>     Edward,
>     >>>     >>
>     >>>     >>     Cross-posting to the wrong list (cas-dev) will not
>     speed up
>     >>>     a reply.
>     >>>     >>
>     >>>     >>     One thing you'll need is an additional filter.
>      Actually,
>     >>>     two of
>     >>>     >>     them, I think.  To make getRemoteUser() work,
>     you'll need them
>     >>>     >>     configured similar to this:
>     >>>     >>
>     >>>     >>       <filter>
>     >>>     >>         <filter-name>CAS HttpServletRequest Wrapper
>     >>>     Filter</filter-name>
>     >>>     >>
>     >>>     >>
>     >>>    
>     
> <filter-class>org.jasig.cas.client.util.HttpServletRequestWrapperFilter</filter-class>
>     >>>     >>       </filter>
>     >>>     >>
>     >>>     >>       <filter>
>     >>>     >>         <filter-name>CAS Assertion Thread Local
>     >>>     Filter</filter-name>
>     >>>     >>
>     >>>     >>
>     >>>    
>     
> <filter-class>org.jasig.cas.client.util.AssertionThreadLocalFilter</filter-class>
>     >>>     >>       </filter>
>     >>>     >>
>     >>>     >>       <filter-mapping>
>     >>>     >>         <filter-name>CAS HttpServletRequest Wrapper
>     >>>     Filter</filter-name>
>     >>>     >>
>     >>>     >>         <url-pattern>/*</url-pattern>
>     >>>     >>       </filter-mapping>
>     >>>     >>
>     >>>     >>       <filter-mapping>
>     >>>     >>         <filter-name>CAS Assertion Thread Local
>     >>>     Filter</filter-name>
>     >>>     >>
>     >>>     >>         <url-pattern>/*</url-pattern>
>     >>>     >>       </filter-mapping>
>     >>>     >>
>     >>>     >>
>     >>>     >>     What concerns me is that, while you are using the
>     JA-SIG CAS
>     >>>     >>     Client, the exception message you included appears
>     to have come
>     >>>     >>     from the Yale CAS Filter.  I don't think you need both.
>     >>>     >>
>     >>>     >>
>     >>>     >> Adam beat me to it.  But you are including the
>     configuration
>     >>>     for the
>     >>>     >> JASIG CAS Client but an error message from the Yale CAS
>     client.
>     >>>     >> That's impossible unless you have both of them
>     configured, which I
>     >>>     >> don't think has ever been tried.  I'd recommend just
>     sticking with
>     >>>     >> one of them.  If you merely wish to read the
>     request.getRemoteUser,
>     >>>     >> you also won't need the ThreadLocal filter either.
>     >>>     >>
>     >>>     >> -Scott
>     >>>     >>
>     >>>     >>
>     >>>     >>
>     >>>     >>     Adam
>     >>>     >>
>     >>>     >>     Edward Chen wrote:
>     >>>     >>>     I installed CAS 3.2.1 and deployed successfully
>     with LDAP
>     >>>     in my
>     >>>     >>>     Windows XP and Tomcat5.25. Now I want to link the
>     simple jsp
>     >>>     >>>     application in Tomcat to CAS. I modified the CAS
>     filter in
>     >>>     >>>     web.xml as bellow. If I comment out "CAS
>     Validation Filter", I
>     >>>     >>>     got redirected to CAS and passed CAS login and
>     went back
>     >>>     to the
>     >>>     >>>     application. However, I got "null" value
>     >>>     >>>     (<%=request.getRemoteUser()%>) in my test.jsp. It
>     should be
>     >>>     >>>     supposed to have the CAS login username. If I don't
>     >>>     comment out
>     >>>     >>>     "CAS Validation Filter", I got redirected to CAS and
>     >>>     passed CAS
>     >>>     >>>     login. But when CAS went back to the application, it
>     >>>     throws out
>     >>>     >>>     exception, something like "*exception*
>     >>>     >>>     javax.servlet.ServletException: Unable to validate
>     >>>     >>>     ProxyTicketValidator
>     >>>     >>>     [[edu.yale.its.tp.cas.client.ProxyTicketValidator
>     >>>     >>>     proxyList=[null]
>     >>>     >>>     [edu.yale.its.tp.cas.client.ServiceTicketValidator
>     ..... " It
>     >>>     >>>     seems to me that the validation doesn't work. What is
>     >>>     wrong with
>     >>>     >>>     it? How to fix it? any recommendation?? any thing
>     wrong
>     >>>     with the
>     >>>     >>>     following CAS filter?? Very urgent help needed!!!
>     ........
>     >>>     >>>     <filter> <filter-name>CAS Authentication
>     Filter</filter-name>
>     >>>     >>>
>     >>>    
>     
> <filter-class>org.jasig.cas.client.authentication.AuthenticationFilter</filter-class>
>     >>>     >>>     <init-param>
>     <param-name>casServerLoginUrl</param-name>
>     >>>     >>>    
>     <param-value>https://xxxxxxxxx:8443/CAS/login</param-value>
>     >>>     >>>     </init-param> <init-param>
>     <param-name>service</param-name>
>     >>>     >>>
>     >>>    
>     <param-value>http://xxxxxxxxx:8080/Recruiting/test.jsp</param-value>
>     >>>     >>>     </init-param> <init-param>
>     <param-name>serverName</param-name>
>     >>>     >>>     <param-value>xxxxxxx:8080/</param-value> </init-param>
>     >>>     </filter>
>     >>>     >>>     <filter> <filter-name>CAS Validation
>     Filter</filter-name>
>     >>>     >>>
>     >>>    
>     
> <filter-class>org.jasig.cas.client.validation.Cas10TicketValidationFilter</filter-class>
>     >>>     >>>     <init-param>
>     <param-name>casUrlServerPrefix</param-name>
>     >>>     >>>     <param-value>https://xxxxxxx:8443/CAS</param-value>
>     >>>     >>>     </init-param> <init-param>
>     <param-name>serverName</param-name>
>     >>>     >>>     <param-value>xxxxxxxxxxx:8080/</param-value>
>     </init-param>
>     >>>     >>>     </filter> <filter-mapping> <filter-name>CAS
>     Authentication
>     >>>     >>>     Filter</filter-name> <url-pattern>/*</url-pattern>
>     >>>     >>>     </filter-mapping> <!--filter-mapping> <filter-name>CAS
>     >>>     >>>     Validation Filter</filter-name>
>     <url-pattern>/*</url-pattern>
>     >>>     >>>     </filter-mapping --> ...................
>     >>>     >>>     ______________________________
>     >>>     >>>     _________________
>     >>>     >>>     Yale CAS mailing list
>     >>>     >>>     [email protected] <mailto:[email protected]>
>     <mailto:[email protected] <mailto:[email protected]>>
>     >>>     <mailto:[email protected] <mailto:[email protected]>
>     <mailto:[email protected] <mailto:[email protected]>>>
>     >>>     >>>     http://tp.its.yale.edu/mailman/listinfo/cas
>     >>>     >>
>     >>>     >>     _______________________________________________
>     >>>     >>     Yale CAS mailing list
>     >>>     >>     [email protected] <mailto:[email protected]>
>     <mailto:[email protected] <mailto:[email protected]>>
>     >>>     <mailto:[email protected] <mailto:[email protected]>
>     <mailto:[email protected] <mailto:[email protected]>>>
>     >>>     >>     http://tp.its.yale.edu/mailman/listinfo/cas
>     >>>     >>
>     >>>     >>
>     >>>     >>
>     >>>     >>
>     >>>     >> --
>     >>>     >> -Scott Battaglia
>     >>>     >> PGP Public Key Id: 0x383733AA
>     >>>     >> LinkedIn: http://www.linkedin.com/in/scottbattaglia
>     >>>     >>
>     >>>    
>     ------------------------------------------------------------------------
>     >>>     >>
>     >>>     >> _______________________________________________
>     >>>     >> Yale CAS mailing list
>     >>>     >> [email protected] <mailto:[email protected]>
>     <mailto:[email protected] <mailto:[email protected]>>
>     >>>     >> http://tp.its.yale.edu/mailman/listinfo/cas
>     >>>     >>
>     >>>     > _______________________________________________
>     >>>     > Yale CAS mailing list
>     >>>     > [email protected] <mailto:[email protected]>
>     <mailto:[email protected] <mailto:[email protected]>>
>     >>>     > http://tp.its.yale.edu/mailman/listinfo/cas
>     >>>     >
>     >>>
>     >>>     _______________________________________________
>     >>>     Yale CAS mailing list
>     >>>     [email protected] <mailto:[email protected]>
>     <mailto:[email protected] <mailto:[email protected]>>
>     >>>     http://tp.its.yale.edu/mailman/listinfo/cas
>     >>>
>     >>>
>     >>>
>     >>>
>     >>> --
>     >>> -Scott Battaglia
>     >>> PGP Public Key Id: 0x383733AA
>     >>> LinkedIn: http://www.linkedin.com/in/scottbattaglia
>     >>>
>     ------------------------------------------------------------------------
>     >>>
>     >>> _______________________________________________
>     >>> Yale CAS mailing list
>     >>> [email protected] <mailto:[email protected]>
>     >>> http://tp.its.yale.edu/mailman/listinfo/cas
>     >>>
>     >>>
>     >>
>     >> _______________________________________________
>     >> Yale CAS mailing list
>     >> [email protected] <mailto:[email protected]>
>     >> http://tp.its.yale.edu/mailman/listinfo/cas
>     >>
>     >>
>     > _______________________________________________
>     > Yale CAS mailing list
>     > [email protected] <mailto:[email protected]>
>     > http://tp.its.yale.edu/mailman/listinfo/cas
>     >
>
>     _______________________________________________
>     Yale CAS mailing list
>     [email protected] <mailto:[email protected]>
>     http://tp.its.yale.edu/mailman/listinfo/cas
>
>
>
>
> -- 
> -Scott Battaglia
> PGP Public Key Id: 0x383733AA
> LinkedIn: http://www.linkedin.com/in/scottbattaglia
> ------------------------------------------------------------------------
>
> _______________________________________________
> Yale CAS mailing list
> [email protected]
> http://tp.its.yale.edu/mailman/listinfo/cas
>   

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