Symfony Exception

TypeError

HTTP 500 Internal Server Error

Argument 1 passed to Symfony\Bundle\FrameworkBundle\Controller\AbstractController::redirect() must be of the type string, null given, called in /var/www/symfony/src/Controller/MainController.php on line 22

Exception

TypeError

  1.     }
  2.     /**
  3.      * Returns a RedirectResponse to the given URL.
  4.      */
  5.     protected function redirect(string $urlint $status 302): RedirectResponse
  6.     {
  7.         return new RedirectResponse($url$status);
  8.     }
  9.     /**
AbstractController->redirect(null) in src/Controller/MainController.php (line 22)
  1.     public function changeLocale($localeRequest $request)
  2.     {
  3.         $request->getSession()->set('_locale'$locale);
  4.         return $this->redirect($request->headers->get('referer'));
  5.     }
  6. }
in vendor/symfony/http-kernel/HttpKernel.php -> changeLocale (line 157)
  1.         $this->dispatcher->dispatch($eventKernelEvents::CONTROLLER_ARGUMENTS);
  2.         $controller $event->getController();
  3.         $arguments $event->getArguments();
  4.         // call controller
  5.         $response $controller(...$arguments);
  6.         // view
  7.         if (!$response instanceof Response) {
  8.             $event = new ViewEvent($this$request$type$response);
  9.             $this->dispatcher->dispatch($eventKernelEvents::VIEW);
  1.     public function handle(Request $requestint $type HttpKernelInterface::MASTER_REQUESTbool $catch true)
  2.     {
  3.         $request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
  4.         try {
  5.             return $this->handleRaw($request$type);
  6.         } catch (\Exception $e) {
  7.             if ($e instanceof RequestExceptionInterface) {
  8.                 $e = new BadRequestHttpException($e->getMessage(), $e);
  9.             }
  10.             if (false === $catch) {
  1.         $this->boot();
  2.         ++$this->requestStackSize;
  3.         $this->resetServices true;
  4.         try {
  5.             return $this->getHttpKernel()->handle($request$type$catch);
  6.         } finally {
  7.             --$this->requestStackSize;
  8.         }
  9.     }
Kernel->handle(object(Request)) in public/index.php (line 25)
  1.     Request::setTrustedHosts([$trustedHosts]);
  2. }
  3. $kernel = new Kernel($_SERVER['APP_ENV'], (bool) $_SERVER['APP_DEBUG']);
  4. $request Request::createFromGlobals();
  5. $response $kernel->handle($request);
  6. $response->send();
  7. $kernel->terminate($request$response);

Logs 2

Level Channel Message
INFO 14:17:09 request Matched route "ChangeLocale".
{
    "route": "ChangeLocale",
    "route_parameters": {
        "_route": "ChangeLocale",
        "_controller": "App\\Controller\\MainController::changeLocale",
        "locale": "ru"
    },
    "request_uri": "http://ideaslab.inventivedesign.unistra.fr/changeLocale/ru",
    "method": "GET"
}
INFO 14:17:09 security Populated the TokenStorage with an anonymous Token.
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "App\EventSubscriber\LocaleSubscriber::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "App\\EventSubscriber\\LocaleSubscriber::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator".
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Knp\Bundle\PaginatorBundle\Subscriber\SlidingPaginationSubscriber::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Knp\\Bundle\\PaginatorBundle\\Subscriber\\SlidingPaginationSubscriber::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "EasyCorp\Bundle\EasyAdminBundle\EventListener\AdminContextListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "EasyCorp\\Bundle\\EasyAdminBundle\\EventListener\\AdminContextListener::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ControllerListener::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ParamConverterListener::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::onControllerArguments".
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::onControllerArguments"
}
DEBUG 14:17:09 event Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::onKernelControllerArguments".
{
    "event": "kernel.controller_arguments",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\SecurityListener::onKernelControllerArguments"
}
DEBUG 14:17:09 event Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\IsGrantedListener::onKernelControllerArguments".
{
    "event": "kernel.controller_arguments",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\IsGrantedListener::onKernelControllerArguments"
}
CRITICAL 14:17:09 php Uncaught Error: Argument 1 passed to Symfony\Bundle\FrameworkBundle\Controller\AbstractController::redirect() must be of the type string, null given, called in /var/www/symfony/src/Controller/MainController.php on line 22
{
    "exception": {}
}
CRITICAL 14:17:09 request Uncaught PHP Exception TypeError: "Argument 1 passed to Symfony\Bundle\FrameworkBundle\Controller\AbstractController::redirect() must be of the type string, null given, called in /var/www/symfony/src/Controller/MainController.php on line 22" at /var/www/symfony/vendor/symfony/framework-bundle/Controller/AbstractController.php line 153
{
    "exception": {}
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "App\EventSubscriber\LocaleSubscriber::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "App\\EventSubscriber\\LocaleSubscriber::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator".
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.request" to listener "Knp\Bundle\PaginatorBundle\Subscriber\SlidingPaginationSubscriber::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Knp\\Bundle\\PaginatorBundle\\Subscriber\\SlidingPaginationSubscriber::onKernelRequest"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "EasyCorp\Bundle\EasyAdminBundle\EventListener\AdminContextListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "EasyCorp\\Bundle\\EasyAdminBundle\\EventListener\\AdminContextListener::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ControllerListener::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ParamConverterListener::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener::onKernelController"
}
DEBUG 14:17:09 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::onControllerArguments".
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::onControllerArguments"
}
DEBUG 14:17:09 event Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::onKernelControllerArguments".
{
    "event": "kernel.controller_arguments",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\SecurityListener::onKernelControllerArguments"
}
DEBUG 14:17:09 event Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\IsGrantedListener::onKernelControllerArguments".
{
    "event": "kernel.controller_arguments",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\IsGrantedListener::onKernelControllerArguments"
}

Stack Trace

TypeError

TypeError:
Argument 1 passed to Symfony\Bundle\FrameworkBundle\Controller\AbstractController::redirect() must be of the type string, null given, called in /var/www/symfony/src/Controller/MainController.php on line 22

  at vendor/symfony/framework-bundle/Controller/AbstractController.php:153
  at Symfony\Bundle\FrameworkBundle\Controller\AbstractController->redirect(null)
     (src/Controller/MainController.php:22)
  at App\Controller\MainController->changeLocale('ru', object(Request))
     (vendor/symfony/http-kernel/HttpKernel.php:157)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), 1)
     (vendor/symfony/http-kernel/HttpKernel.php:79)
  at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), 1, true)
     (vendor/symfony/http-kernel/Kernel.php:191)
  at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
     (public/index.php:25)