title: Notice: unserialize() for symfony2 ( connection user )
body: <p>Here I have this error when I click on the submit button to get connected.</p>
  
  <p><code>Notice: unserialize(): Error at offset 0 of 9 bytes in /var/www/Blog/Symfony/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/ArrayType.php line 48</code></p>
  
  <p>Gist: <a href="https://gist.github.com/AnthonyPavaux/5104546" rel="nofollow">https://gist.github.com/AnthonyPavaux/5104546</a></p>