Symfony Exception

The controller for URI "/" is not callable: Controller "App\Controller\DefaultController" does neither exist as service nor as class.

Exceptions 3

InvalidArgumentException

  1.         }
  2.         try {
  3.             $callable $this->createController($controller);
  4.         } catch (\InvalidArgumentException $e) {
  5.             throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable: '$request->getPathInfo()).$e->getMessage(), 0$e);
  6.         }
  7.         if (!\is_callable($callable)) {
  8.             throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable: '.$this->getControllerError($callable), $request->getPathInfo()));
  9.         }
  1.      */
  2.     public function getController(Request $request)
  3.     {
  4.         $e $this->stopwatch->start('controller.get_callable');
  5.         $ret $this->resolver->getController($request);
  6.         $e->stop();
  7.         return $ret;
  8.     }
in vendor/symfony/http-kernel/HttpKernel.php -> getController (line 152)
  1.         if ($event->hasResponse()) {
  2.             return $this->filterResponse($event->getResponse(), $request$type);
  3.         }
  4.         // load controller
  5.         if (false === $controller $this->resolver->getController($request)) {
  6.             throw new NotFoundHttpException(sprintf('Unable to find the controller for path "%s". The route is wrongly configured.'$request->getPathInfo()));
  7.         }
  8.         $event = new ControllerEvent($this$controller$request$type);
  9.         $this->dispatcher->dispatch($eventKernelEvents::CONTROLLER);
  1.     {
  2.         $request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
  3.         $this->requestStack->push($request);
  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.             --$this->requestStackSize;
  8.         }
  9.     }
Kernel->handle() in public/index.php (line 25)
  1.     Request::setTrustedHosts([$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);

InvalidArgumentException

Controller "App\Controller\DefaultController" does neither exist as service nor as class.

  1.         if ($e instanceof \ArgumentCountError) {
  2.             throw new \InvalidArgumentException(sprintf('Controller "%s" has required constructor arguments and does not exist in the container. Did you forget to define the controller as a service?'$class), 0$e);
  3.         }
  4.         throw new \InvalidArgumentException(sprintf('Controller "%s" does neither exist as service nor as class.'$class), 0$e);
  5.     }
  6.     private function throwExceptionIfControllerWasRemoved(string $controller, \Throwable $previous)
  7.     {
  8.         if ($this->container instanceof Container && isset($this->container->getRemovedIds()[$controller])) {
  1.     /**
  2.      * {@inheritdoc}
  3.      */
  4.     protected function instantiateController($class)
  5.     {
  6.         $controller parent::instantiateController($class);
  7.         if ($controller instanceof ContainerAwareInterface) {
  8.             $controller->setContainer($this->container);
  9.         }
  10.         if ($controller instanceof AbstractController) {
  1.         }
  2.         [$class$method] = explode('::'$controller2);
  3.         try {
  4.             $controller = [$this->instantiateController($class), $method];
  5.         } catch (\Error|\LogicException $e) {
  6.             try {
  7.                 if ((new \ReflectionMethod($class$method))->isStatic()) {
  8.                     return $class.'::'.$method;
  9.                 }
  1.         if (=== substr_count($controller':')) {
  2.             $controller str_replace(':''::'$controller);
  3.             // TODO deprecate this in 5.1
  4.         }
  5.         return parent::createController($controller);
  6.     }
  7.     /**
  8.      * {@inheritdoc}
  9.      */
  1.             $controller $this->parser->parse($deprecatedNotationfalse);
  2.             @trigger_error(sprintf('Referencing controllers with %s is deprecated since Symfony 4.1. Use %s instead.'$deprecatedNotation$controller), \E_USER_DEPRECATED);
  3.         }
  4.         return parent::createController($controller);
  5.     }
  6.     /**
  7.      * {@inheritdoc}
  8.      */
  1.         if (\function_exists($controller)) {
  2.             return $controller;
  3.         }
  4.         try {
  5.             $callable $this->createController($controller);
  6.         } catch (\InvalidArgumentException $e) {
  7.             throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable: '$request->getPathInfo()).$e->getMessage(), 0$e);
  8.         }
  9.         if (!\is_callable($callable)) {
  1.      */
  2.     public function getController(Request $request)
  3.     {
  4.         $e $this->stopwatch->start('controller.get_callable');
  5.         $ret $this->resolver->getController($request);
  6.         $e->stop();
  7.         return $ret;
  8.     }
in vendor/symfony/http-kernel/HttpKernel.php -> getController (line 152)
  1.         if ($event->hasResponse()) {
  2.             return $this->filterResponse($event->getResponse(), $request$type);
  3.         }
  4.         // load controller
  5.         if (false === $controller $this->resolver->getController($request)) {
  6.             throw new NotFoundHttpException(sprintf('Unable to find the controller for path "%s". The route is wrongly configured.'$request->getPathInfo()));
  7.         }
  8.         $event = new ControllerEvent($this$controller$request$type);
  9.         $this->dispatcher->dispatch($eventKernelEvents::CONTROLLER);
  1.     {
  2.         $request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
  3.         $this->requestStack->push($request);
  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.             --$this->requestStackSize;
  8.         }
  9.     }
Kernel->handle() in public/index.php (line 25)
  1.     Request::setTrustedHosts([$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);

Error

Class 'App\Controller\DefaultController' not found

  1.      *
  2.      * @return object
  3.      */
  4.     protected function instantiateController($class)
  5.     {
  6.         return new $class();
  7.     }
  8.     private function getControllerError($callable): string
  9.     {
  10.         if (\is_string($callable)) {
  1.         if ($this->container->has($class)) {
  2.             return $this->container->get($class);
  3.         }
  4.         try {
  5.             return parent::instantiateController($class);
  6.         } catch (\Error $e) {
  7.         }
  8.         $this->throwExceptionIfControllerWasRemoved($class$e);
  1.     /**
  2.      * {@inheritdoc}
  3.      */
  4.     protected function instantiateController($class)
  5.     {
  6.         $controller parent::instantiateController($class);
  7.         if ($controller instanceof ContainerAwareInterface) {
  8.             $controller->setContainer($this->container);
  9.         }
  10.         if ($controller instanceof AbstractController) {
  1.         }
  2.         [$class$method] = explode('::'$controller2);
  3.         try {
  4.             $controller = [$this->instantiateController($class), $method];
  5.         } catch (\Error|\LogicException $e) {
  6.             try {
  7.                 if ((new \ReflectionMethod($class$method))->isStatic()) {
  8.                     return $class.'::'.$method;
  9.                 }
  1.         if (=== substr_count($controller':')) {
  2.             $controller str_replace(':''::'$controller);
  3.             // TODO deprecate this in 5.1
  4.         }
  5.         return parent::createController($controller);
  6.     }
  7.     /**
  8.      * {@inheritdoc}
  9.      */
  1.             $controller $this->parser->parse($deprecatedNotationfalse);
  2.             @trigger_error(sprintf('Referencing controllers with %s is deprecated since Symfony 4.1. Use %s instead.'$deprecatedNotation$controller), \E_USER_DEPRECATED);
  3.         }
  4.         return parent::createController($controller);
  5.     }
  6.     /**
  7.      * {@inheritdoc}
  8.      */
  1.         if (\function_exists($controller)) {
  2.             return $controller;
  3.         }
  4.         try {
  5.             $callable $this->createController($controller);
  6.         } catch (\InvalidArgumentException $e) {
  7.             throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable: '$request->getPathInfo()).$e->getMessage(), 0$e);
  8.         }
  9.         if (!\is_callable($callable)) {
  1.      */
  2.     public function getController(Request $request)
  3.     {
  4.         $e $this->stopwatch->start('controller.get_callable');
  5.         $ret $this->resolver->getController($request);
  6.         $e->stop();
  7.         return $ret;
  8.     }
in vendor/symfony/http-kernel/HttpKernel.php -> getController (line 152)
  1.         if ($event->hasResponse()) {
  2.             return $this->filterResponse($event->getResponse(), $request$type);
  3.         }
  4.         // load controller
  5.         if (false === $controller $this->resolver->getController($request)) {
  6.             throw new NotFoundHttpException(sprintf('Unable to find the controller for path "%s". The route is wrongly configured.'$request->getPathInfo()));
  7.         }
  8.         $event = new ControllerEvent($this$controller$request$type);
  9.         $this->dispatcher->dispatch($eventKernelEvents::CONTROLLER);
  1.     {
  2.         $request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
  3.         $this->requestStack->push($request);
  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.             --$this->requestStackSize;
  8.         }
  9.     }
Kernel->handle() in public/index.php (line 25)
  1.     Request::setTrustedHosts([$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

No log messages

Stack Traces 3

[3/3] InvalidArgumentException

InvalidArgumentException:
The controller for URI "/" is not callable: Controller "App\Controller\DefaultController" does neither exist as service nor as class.

  at vendor/symfony/http-kernel/Controller/ControllerResolver.php:88
  at Symfony\Component\HttpKernel\Controller\ControllerResolver->getController()
     (vendor/symfony/http-kernel/Controller/TraceableControllerResolver.php:38)
  at Symfony\Component\HttpKernel\Controller\TraceableControllerResolver->getController()
     (vendor/symfony/http-kernel/HttpKernel.php:152)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:81)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:201)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (public/index.php:25)                

[2/3] InvalidArgumentException

InvalidArgumentException:
Controller "App\Controller\DefaultController" does neither exist as service nor as class.

  at vendor/symfony/http-kernel/Controller/ContainerControllerResolver.php:67
  at Symfony\Component\HttpKernel\Controller\ContainerControllerResolver->instantiateController()
     (vendor/symfony/framework-bundle/Controller/ControllerResolver.php:70)
  at Symfony\Bundle\FrameworkBundle\Controller\ControllerResolver->instantiateController()
     (vendor/symfony/http-kernel/Controller/ControllerResolver.php:122)
  at Symfony\Component\HttpKernel\Controller\ControllerResolver->createController()
     (vendor/symfony/http-kernel/Controller/ContainerControllerResolver.php:42)
  at Symfony\Component\HttpKernel\Controller\ContainerControllerResolver->createController()
     (vendor/symfony/framework-bundle/Controller/ControllerResolver.php:62)
  at Symfony\Bundle\FrameworkBundle\Controller\ControllerResolver->createController()
     (vendor/symfony/http-kernel/Controller/ControllerResolver.php:86)
  at Symfony\Component\HttpKernel\Controller\ControllerResolver->getController()
     (vendor/symfony/http-kernel/Controller/TraceableControllerResolver.php:38)
  at Symfony\Component\HttpKernel\Controller\TraceableControllerResolver->getController()
     (vendor/symfony/http-kernel/HttpKernel.php:152)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:81)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:201)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (public/index.php:25)                

[1/3] Error

Error:
Class 'App\Controller\DefaultController' not found

  at vendor/symfony/http-kernel/Controller/ControllerResolver.php:151
  at Symfony\Component\HttpKernel\Controller\ControllerResolver->instantiateController()
     (vendor/symfony/http-kernel/Controller/ContainerControllerResolver.php:57)
  at Symfony\Component\HttpKernel\Controller\ContainerControllerResolver->instantiateController()
     (vendor/symfony/framework-bundle/Controller/ControllerResolver.php:70)
  at Symfony\Bundle\FrameworkBundle\Controller\ControllerResolver->instantiateController()
     (vendor/symfony/http-kernel/Controller/ControllerResolver.php:122)
  at Symfony\Component\HttpKernel\Controller\ControllerResolver->createController()
     (vendor/symfony/http-kernel/Controller/ContainerControllerResolver.php:42)
  at Symfony\Component\HttpKernel\Controller\ContainerControllerResolver->createController()
     (vendor/symfony/framework-bundle/Controller/ControllerResolver.php:62)
  at Symfony\Bundle\FrameworkBundle\Controller\ControllerResolver->createController()
     (vendor/symfony/http-kernel/Controller/ControllerResolver.php:86)
  at Symfony\Component\HttpKernel\Controller\ControllerResolver->getController()
     (vendor/symfony/http-kernel/Controller/TraceableControllerResolver.php:38)
  at Symfony\Component\HttpKernel\Controller\TraceableControllerResolver->getController()
     (vendor/symfony/http-kernel/HttpKernel.php:152)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:81)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:201)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (public/index.php:25)