Witam. Mam problem z uwierzytelnieniem użytkowników znajdujących się w bazie danych. Po zalogowaniu jest oczywiści 403 Access denied i na pasku do debbugowania pojawia się not authenticated. Co robię źle?

Firewall

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firewalls:
        dev:
            pattern:  ^/(_(profiler|wdt)|css|images|js)/
            security: false
 
        secured:
            pattern:    ^/
            anonymous: ~
            form_login:
                check_path: /login_check
                login_path: /login
                username_parameter: _username
                password_parameter: _password
 
 
            logout:
                path:   /logout
 
    access_control:
        - { path: ^/login, roles: IS_AUTHENTICATED_ANONYMOUSLY }  
        - { path: ^/admin, roles: ROLE_ADMIN }
        - { path: ^/mod, roles: ROLE_MOD }
 
    role_hierarchy:
            ROLE_MOD:       [ROLE_CZ, ROLE_TRP, ROLE_TRD, ROLE_TRR, ROLE_TRX, ROLE_MC, ROLE_U]
            ROLE_ADMIN:     ROLE_MOD
            ROLE_SUPER_ADMIN: [ROLE_USER, ROLE_ADMIN, ROLE_ALLOWED_TO_SWITCH]
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W bazie danych każdy użytkownik posiad jedną lub więcej z ról (ROLE_CZ, ROLE_TRP, ROLE_TRD, ROLE_TRR, ROLE_TRX, ROLE_MC, ROLE_U)

Klasa użytkownika

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<?php
 
namespace Mns\PytaniaBundle\Entity;
 
use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;
use Symfony\Component\Security\Core\User\UserInterface;
 
/** 
 * @ORM\MappedSuperclass
 */
abstract class Person implements UserInterface
{
    /**
     * @ORM\Column(type="string", length=32, unique=true)
     */
    protected $login;
 
    /**
     * @ORM\Column(type="string", length=100)
     */
    protected $password;
 
 
    /**
     * @ORM\Column(type="string", length=32)
     */
    protected $salt;
 
    /**
     * @ORM\ManyToMany(targetEntity="Group", inversedBy="users")
     */
    protected $group;
 
    public function __construct($login, $password)
    {
        $this->salt = md5(uniqid(null, true));
        $this->login = $login;
        $this->password = $password;
        $this->group = new ArrayCollection();
    }
 
    /**
     * Get id
     *
     * @return integer 
     */
    public function getId()
    {
        return $this->id;
    }
 
    /**
     * Set login
     *
     * @param string $login
     */
    public function setLogin($login)
    {
        $this->login = $login;
    }
 
    /**
     * Get login
     *
     * @return string 
     */
    public function getLogin()
    {
        return $this->login;
    }
 
    /**
     * Set password
     *
     * @param string $password
     */
    public function setPassword($password)
    {
        $this->password = $password;
    }
 
    /**
     * Get password
     *
     * @return string 
     */
    public function getPassword()
    {
        return $this->password;
    }
 
    public function equals(UserInterface $user) 
    {
        if($this->login !== $user->getUsername())
            return false;
 
        if ($this->password !== $user->getPassword()) 
            return false;
 
        if ($this->salt !== $user->getSalt())
            return false;
 
        return true;
    }
 
    public function eraseCredentials() 
    {
 
    }
 
    public function getRoles() 
    {
        return $this->group->toArray();
    }
 
    public function getSalt() 
    {
        return $this->salt;
    }
 
    public function getUsername() 
    {
        $this->getLogin();
    }
 
    public function getName()
    {
        $this->getLogin();
    }
 
    /**
     * Add group
     *
     * @param Mns\PytaniaBundle\Entity\Group $group
     */
    public function addGroup(\Mns\PytaniaBundle\Entity\User $group)
    {
        $this->group[] = $group;
    }
 
    /**
     * Get group
     *
     * @return Doctrine\Common\Collections\Collection 
     */
    public function getGroup()
    {
        return $this->group;
    }
 
    public function setGroup(\Doctrine\Common\Collections\ArrayCollection $group)
    {
        $this->group = $group;
    }
 
}
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Klasa ról

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<?php 
 
namespace Mns\PytaniaBundle\Entity;
 
use Symfony\Component\Security\Core\Role\RoleInterface;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\ORM\Mapping as ORM;
 
/**
 * @ORM\Table(name="roles")
 * @ORM\Entity()
 */
class Group implements RoleInterface
{
    /**
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id()
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;
 
    /**
     * @ORM\Column(name="name", type="string", length=30)
     */
    protected $name;
 
    /**
     * @ORM\Column(name="role", type="string", length=20, unique=true)
     */
    protected $role;
 
    /**
     * @ORM\ManyToMany(targetEntity="Person", mappedBy="group")
     */
    protected $users;
 
    public function __construct()
    {
        $this->users = new ArrayCollection();
    }
 
    public function __toString()
    {
        return $this->getName();
    }
 
    public function getRole() 
    {
        return $this->role;
    }
 
 
    /**
     * Get id
     *
     * @return integer 
     */
    public function getId()
    {
        return $this->id;
    }
 
    /**
     * Set name
     *
     * @param string $name
     */
    public function setName($name)
    {
        $this->name = $name;
    }
 
    /**
     * Get name
     *
     * @return string 
     */
    public function getName()
    {
        return $this->name;
    }
 
    /**
     * Set role
     *
     * @param string $role
     */
    public function setRole($role)
    {
        $this->role = $role;
    }
 
    /**
     * Add users
     *
     * @param Mns\PytaniaBundle\Entity\User $users
     */
    public function addUser(\Mns\PytaniaBundle\Entity\User $users)
    {
        $this->users[] = $users;
    }
 
    /**
     * Get users
     *
     * @return Doctrine\Common\Collections\Collection 
     */
    public function getUsers()
    {
        return $this->users;
    }
}
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