phpCAS with CakePHP

Hi,

I am looking for help with phpCAS and CakePHP.

I followed the tutorial/instructions at: http://bakery.cakephp.org/articles/pietro.brignola/2010/10/12/casauth_4_cakephp_4 to connect to the CAS server.

The system properly redirects to the CAS login page and once logged-in tries to redirect to the application.

As per instructions, I have changed the password of all users to blank via the application so that it adds a hash value in database for blank password. As you would have guessed, not everyone authenticated via CAS is eligible for application and different people have different roles.

The problem I am facing is that once authenticated the system redirects to my page where somehow it fails with an error shown below:

--------------------------------

Warning (2): DOMDocument::loadXML() [domdocument.loadxml]: Empty string supplied as input [APP/Vendor/CAS/CAS/CAS/Client.php, line 2766]
Code Context
DOMDocument::loadXML() - [internal], line ??  CAS_Client::validateCAS20() - APP/Vendor/CAS/CAS/CAS/Client.php, line 2766  CAS_Client::isAuthenticated() - APP/Vendor/CAS/CAS/CAS/Client.php, line 1221  CAS_Client::forceAuthentication() - APP/Vendor/CAS/CAS/CAS/Client.php, line 1080  phpCAS::forceAuthentication() - APP/Vendor/CAS/CAS/CAS.php, line 1100  CasAuthComponent::startup() - APP/Controller/Component/CasAuthComponent.php, line 40  ObjectCollection::trigger() - CORE/Cake/Utility/ObjectCollection.php, line 130  call_user_func - [internal], line ??  CakeEventManager::dispatch() - CORE/Cake/Event/CakeEventManager.php, line 246  Controller::startupProcess() - CORE/Cake/Controller/Controller.php, line 671  Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 183  Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 161  [main] - APP/webroot/index.php, line 92

CAS Authentication failed!

You were not authenticated.

You may submit your request again by clicking here.

If the problem persists, you may contact the administrator of this site.

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phpCAS 1.3.1 using server https://changed for security purpose/ (CAS 2.0)

phpCAS error: phpCAS::client(): phpCAS::client() has already been called (at /home/content/89/8244189/html/sso/app/Controller/Component/CasAuthComponent.php:36) in/home/content/89/8244189/html/sso/app/Controller/Component/CasAuthComponent.php on line 36

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if i click on the server link above(removed), i see a page saying that I was authenticated.

how do i fix so that an empty string is not supplied as input. seems like this happened because it went in a loop or something.

Thanks for help.

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