I have created one helper file that get, set and delete cookie. This helper file I called in observer to set cookie. The helper file called but cookie not set when full cache enabled.


namespace Hs\Mageenhancement\Helper;

use Magento\Framework\App\Helper\AbstractHelper;
use Magento\Framework\App\Helper\Context;
use Magento\Store\Model\StoreManagerInterface;
use Magento\Framework\Stdlib\CookieManagerInterface;
use Magento\Framework\Stdlib\Cookie\CookieMetadataFactory;
use Magento\Framework\Session\SessionManagerInterface;

class Cookie extends AbstractHelper
    protected $_storeManager;
    protected $_cookieManager;
    protected $_cookieMetadataFactory;
    protected $_sessionManager;

    public function __construct(
        Context $context,
        StoreManagerInterface $storeManager,
        CookieManagerInterface $cookieManager,
        CookieMetadataFactory $cookieMetadataFactory,
        SessionManagerInterface $sessionManager
        $this->_storeManager = $storeManager;
        $this->_cookieManager = $cookieManager;
        $this->_cookieMetadataFactory = $cookieMetadataFactory;
        $this->_sessionManager = $sessionManager;

     * Get data from cookie
     * @return value
    public function get($name)
        return $this->_cookieManager->getCookie($name);

     * Set data to cookie in remote address
     * @param [string] $name    [name of cookie]
     * @param [string] $value    [value of cookie]
     * @param integer  $duration [duration for cookie] [Default value 30 days]
     * @return void
    public function set($name, $value, $duration = 2592000)
        //echo $name . ' ' . $value . ' ' . $this->_sessionManager->getCookiePath() . ' ' . $this->_sessionManager->getCookieDomain();
        $metadata = $this->_cookieMetadataFactory


Is there any mistake or any other way to set a cookie with full cache module?

  • what observer are you using? – Marius May 2 '19 at 6:41
  • @Marius <event name="controller_action_predispatch"> <observer name="mageenhancement_tracking_settings" instance="Hs\Mageenhancement\Observer\TrackingObserver" /> </event> observer use. – Hiren Shah May 2 '19 at 6:42

The page cache process method in vendor/magento/framework/App/PageCache/Kernel.php clears the set-cookie header

You'll need to find an event that fires after this to set a cookie

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