title: CAS Authentication
body: <p><strong>exception:</strong></p>
  
  <p>javax.servlet.ServletException: 
         org.jasig.cas.client.validation.TicketValidationException: 
          The supplied service app url is not authorized to          use CAS proxy authentication</p>
  
  <p><strong>root cause:</strong>
  org.jasig.cas.client.validation.TicketValidationException: 
          The supplied service appurl is not authorized to use CAS proxy authentication.
       I am getting above Exception while authenticating my application through cas </p>