CAS 3.21 + application -- very urgent help needed please !!

wadii wadii_a at yahoo.fr
Wed May 21 11:20:36 EDT 2008


Hi,


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)
	org.jasig.cas.client.session.SingleSignOutFilter.doFilter(SingleSignOutFilter.java:78)

cause mère 
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)
	org.jasig.cas.client.session.SingleSignOutFilter.doFilter(SingleSignOutFilter.java:78)

I have this error when I add TicketValidationFilter and HttpServletRequestWrapperFilter in my web.xml but only when I add there <filter-mapping> tags !!!


Thanks for your help.

Wadii

----- Message d'origine ----
De : Andrew R Feller <afelle1 at lsu.edu>
À : Yale CAS mailing list <cas at tp.its.yale.edu>
Envoyé le : Mercredi, 21 Mai 2008, 13h27mn 43s
Objet : RE: CAS 3.21 + application -- very urgent help needed please !!

 
Edward,
 
You are on the right track: you must integrate a CAS client with you
Java web app and configure the CAS client to communicate with a CAS server. 
Here are links for each within the JA-SIG wiki:
 
Latest CAS client: 3.1.1 (http://www.ja-sig.org/wiki/display/CASC/CAS+Client+for+Java+3.1)
 
In order to get the authenticated user via request.getRemoteUser(), you
must declare the HttpServletRequestWrapperFilter filter along with the AuthenticationFilter
and TicketValidationFilter filters.  For a simple configuration, try using
the web.xml configuration over Spring.
 
Andrew R Feller, Analyst
University Information Systems
200 Fred Frey Building
Louisiana State University
Baton Rouge , LA , 70803
(225) 578-3737 (Office)
(225) 578-6400 (Fax)
 
-----Original Message-----
From: cas-bounces at tp.its.yale.edu [mailto:cas-bounces at tp.its.yale.edu] On
Behalf Of Edward Chen
Sent: Tuesday, May 20, 2008 11:24 PM
To: Yale CAS mailing list
Subject: Re: CAS 3.21 + application -- very urgent help needed please !!
 
I am kind of understanding...
 
In order to display request.getRemoteUser() value in my test.jsp, I
need 
to integrate cas client 3.1.1 to my application, for Recruiting 
application. The reason why my current test.jsp returns null value is 
because I haven't integrate cas client 3.21 with my application, Is it 
correct?
 
I am done with the server side configuration, right?
 
If so, how to integrate cas client 3.11 to my java/jsp application? do 
you have an instruction?
 
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
<edwardc at wolfram.com 
> <mailto:edwardc at wolfram.com>> 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
>     <edwardc at wolfram.com
<mailto:edwardc at wolfram.com>
>     >>>
<mailto:edwardc at wolfram.com <mailto:edwardc at wolfram.com>>>
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
>     >>>    
<arybicki at unicon.net <mailto:arybicki at unicon.net>
>     <mailto:arybicki at unicon.net
<mailto:arybicki at unicon.net>>
>     >>>    
>> <mailto:arybicki at unicon.net
>     <mailto:arybicki at unicon.net>
<mailto:arybicki at unicon.net
>    
<mailto:arybicki at unicon.net>>>> 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
>     >>>    
>>>     cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>
>     <mailto:cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>>
>     >>>    
<mailto:cas at tp.its.yale.edu <mailto:cas at tp.its.yale.edu>
>     <mailto:cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>>>
>     >>>    
>>>    
http://tp.its.yale.edu/mailman/listinfo/cas
>     >>>    
>>
>     >>>    
>>    
_______________________________________________
>     >>>    
>>     Yale CAS mailing list
>     >>>    
>>     cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>
>     <mailto:cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>>
>     >>>    
<mailto:cas at tp.its.yale.edu <mailto:cas at tp.its.yale.edu>
>     <mailto:cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>>>
>     >>>    
>>     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
>     >>>    
>> cas at tp.its.yale.edu <mailto:cas at tp.its.yale.edu>
>     <mailto:cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>>
>     >>>    
>> http://tp.its.yale.edu/mailman/listinfo/cas
>     >>>    
>>
>     >>>     >
_______________________________________________
>     >>>     > Yale CAS mailing list
>     >>>     >
cas at tp.its.yale.edu <mailto:cas at tp.its.yale.edu>
>     <mailto:cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>>
>     >>>     >
http://tp.its.yale.edu/mailman/listinfo/cas
>     >>>     >
>     >>>
>     >>>    
_______________________________________________
>     >>>     Yale CAS mailing list
>     >>>     cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>
>     <mailto:cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>>
>     >>>    
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
>     >>> cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>
>     >>>
http://tp.its.yale.edu/mailman/listinfo/cas
>     >>>
>     >>>
>     >>
>     >>
_______________________________________________
>     >> Yale CAS mailing list
>     >> cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>
>     >>
http://tp.its.yale.edu/mailman/listinfo/cas
>     >>
>     >>
>     >
_______________________________________________
>     > Yale CAS mailing list
>     > cas at tp.its.yale.edu <mailto:cas at tp.its.yale.edu>
>     >
http://tp.its.yale.edu/mailman/listinfo/cas
>     >
>  
>    
_______________________________________________
>     Yale CAS mailing list
>     cas at tp.its.yale.edu
<mailto:cas at tp.its.yale.edu>
>     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
> cas at tp.its.yale.edu
> http://tp.its.yale.edu/mailman/listinfo/cas
>   
 
_______________________________________________
Yale CAS mailing list
cas at tp.its.yale.edu
http://tp.its.yale.edu/mailman/listinfo/cas

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