hi all .......

I switched from http to https .....to obtain single sign on ....
before switching I managed to get CAS login page for the two java servlets and 
then when I enter credentials I manage to get to my servlet
but the problem was ... when I try to access the other servlet .. I have to 
enter credentials again ....so I went for https to obtain single sign on 

now I am getting the CAS login page ....but after I enter credentials I get 
this error 

 Apache Tomcat/5.5.27 - Error reportHTTP 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:155)
        
org.jasig.cas.client.authentication.AuthenticationFilter.doFilter(AuthenticationFilter.java:111)



root cause 
org.jasig.cas.client.validation.TicketValidationException: The CAS server 
returned no response.
        
org.jasig.cas.client.validation.AbstractUrlBasedTicketValidator.validate(AbstractUrlBasedTicketValidator.java:181)
        
org.jasig.cas.client.validation.AbstractTicketValidationFilter.doFilter(AbstractTicketValidationFilter.java:132)
        
org.jasig.cas.client.authentication.AuthenticationFilter.doFilter(AuthenticationFilter.java:111)



note The full stack trace of the root cause is available in the 
Apache Tomcat/5.5.27 logs.




Apache Tomcat/5.5.27when I try to access the other java servlet ..... I get the 
same error ....hint it does not ask me to enter credentials and I dont get the 
CAS login page 
I think I missing one small thing which I dont know what is it .... I think I 
almost reached the single sign on casue I get the CAS login page only once , so 
entering credentials is only once ...... I dont know if this might help but 
here are the two urls after I login 

servlet 2 
https://localhost:8443/servlet2/?ticket=ST-6-fhW9LdrbjK2Dn0lnb5rJ-cas

servlet 1
https://localhost:8443/servelt1/?ticket=ST-7-LnudrID0XRhJIxZ5PY2V-cas

the url before I login 
https://localhost:8443/cas/login?service=https%3A%2F%2Flocalhost%3A8443%2Fservelt1%2F


thanx in advance 


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