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I have an issue that i can not use formkey Validator in my custom module, the module is working fine for me if i am just echoing some text messages, but if i construct the $formKeyValidator or the $formKey then will just return the 500 page, and the route url is correct for me

class Index extends \Magento\Framework\App\Action\Action
{
    protected $formKey;
    protected $formKeyValidator;

    public function __construct(
        \Magento\Framework\App\Action\Context $context,
        \Magento\Framework\Data\Form\FormKey\Validator $formKeyValidator,
        \Magento\Framework\Data\Form\FormKey $formKey
    )
    {
        $this->formKeyValidator  = $formKeyValidator;
        $this->formKey           =  $formKey;
        return parent::__construct($context);
    }

    public function execute()
    {

        echo 'Hello Magento 2! We will change the world!';
        exit;
    }
}

enter image description here

Thank you

  • Clear generated code from generated folder at root of magento – Prince Patel Nov 28 '18 at 6:01
1

First all, we don't need Magento\Framework\Data\Form\FormKey. This class was declared already on Magento\Framework\Data\Form\FormKey\Validator.

Second, try to clear generation code: generated or var/generation folder.

1

In Magento root index.php file write below code in after PHP tag start.

error_reporting(E_ALL);
ini_set('display_errors', 1);

Again reload your page. Now you can show an error of code.

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