php - unable to login using cakephp -


i using auth component , login functionality in application. whenever try login, gives me invalid username , password error.

and throws warning like:

warning (2): invalid argument supplied foreach() [core\cake\utility\hash.php, line 51]

this login function:-

public function login() {     if ($this->request->is('post')) {         if ($this->auth->login()) {             $this->redirect($this->auth->redirect());         } else {             $this->session->setflash(__('invalid username or password, try again'));         }     } }

any on this? don't understand problem is. in advance.

updated: here code appcontroller.

public $components = array(     'session',     'auth' => array(         'loginredirect' => array('controller' => 'woods', 'action' => 'index'),         'logoutredirect' => array('controller' => 'users', 'action' => 'add')     ) );


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