vendor/symfony/http-kernel/HttpKernel.php line 213

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  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <fabien@symfony.com>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. namespace Symfony\Component\HttpKernel;
  14. use Symfony\Component\HttpFoundation\Exception\RequestExceptionInterface;
  15. use Symfony\Component\HttpFoundation\Request;
  16. use Symfony\Component\HttpFoundation\RequestStack;
  17. use Symfony\Component\HttpFoundation\Response;
  18. use Symfony\Component\HttpKernel\Controller\ArgumentResolver;
  19. use Symfony\Component\HttpKernel\Controller\ArgumentResolverInterface;
  20. use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
  21. use Symfony\Component\HttpKernel\Event\ControllerArgumentsEvent;
  22. use Symfony\Component\HttpKernel\Event\ControllerEvent;
  23. use Symfony\Component\HttpKernel\Event\ExceptionEvent;
  24. use Symfony\Component\HttpKernel\Event\FinishRequestEvent;
  25. use Symfony\Component\HttpKernel\Event\RequestEvent;
  26. use Symfony\Component\HttpKernel\Event\ResponseEvent;
  27. use Symfony\Component\HttpKernel\Event\TerminateEvent;
  28. use Symfony\Component\HttpKernel\Event\ViewEvent;
  29. use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
  30. use Symfony\Component\HttpKernel\Exception\ControllerDoesNotReturnResponseException;
  31. use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
  32. use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
  33. use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
  35. // Help opcache.preload discover always-needed symbols
  36. class_exists(ControllerArgumentsEvent::class);
  37. class_exists(ControllerEvent::class);
  38. class_exists(ExceptionEvent::class);
  39. class_exists(FinishRequestEvent::class);
  40. class_exists(RequestEvent::class);
  41. class_exists(ResponseEvent::class);
  42. class_exists(TerminateEvent::class);
  43. class_exists(ViewEvent::class);
  44. class_exists(KernelEvents::class);
  46. /**
  47.  * HttpKernel notifies events to convert a Request object to a Response one.
  48.  *
  49.  * @author Fabien Potencier <fabien@symfony.com>
  50.  */
  51. class HttpKernel implements HttpKernelInterface, TerminableInterface
  52. {
  53.     protected $dispatcher;
  54.     protected $resolver;
  55.     protected $requestStack;
  56.     private $argumentResolver;
  58.     public function __construct(EventDispatcherInterface $dispatcher, ControllerResolverInterface $resolver, RequestStack $requestStack = null, ArgumentResolverInterface $argumentResolver = null)
  59.     {
  60.         $this->dispatcher = $dispatcher;
  61.         $this->resolver = $resolver;
  62.         $this->requestStack = $requestStack ?? new RequestStack();
  63.         $this->argumentResolver = $argumentResolver ?? new ArgumentResolver();
  64.     }
  66.     /**
  67.      * {@inheritdoc}
  68.      */
  69.     public function handle(Request $request, int $type = HttpKernelInterface::MAIN_REQUEST, bool $catch = true)
  70.     {
  71.         $request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
  73.         try {
  74.             return $this->handleRaw($request, $type);
  75.         } catch (\Exception $e) {
  76.             if ($e instanceof RequestExceptionInterface) {
  77.                 $e = new BadRequestHttpException($e->getMessage(), $e);
  78.             }
  79.             if (false === $catch) {
  80.                 $this->finishRequest($request, $type);
  82.                 throw $e;
  83.             }
  85.             return $this->handleThrowable($e, $request, $type);
  86.         }
  87.     }
  89.     /**
  90.      * {@inheritdoc}
  91.      */
  92.     public function terminate(Request $request, Response $response)
  93.     {
  94.         $this->dispatcher->dispatch(new TerminateEvent($this, $request, $response), KernelEvents::TERMINATE);
  95.     }
  97.     /**
  98.      * @internal
  99.      */
  100.     public function terminateWithException(\Throwable $exception, Request $request = null)
  101.     {
  102.         if (!$request = $request ?: $this->requestStack->getMainRequest()) {
  103.             throw $exception;
  104.         }
  106.         $response = $this->handleThrowable($exception, $request, self::MAIN_REQUEST);
  108.         $response->sendHeaders();
  109.         $response->sendContent();
  111.         $this->terminate($request, $response);
  112.     }
  114.     /**
  115.      * Handles a request to convert it to a response.
  116.      *
  117.      * Exceptions are not caught.
  118.      *
  119.      * @throws \LogicException       If one of the listener does not behave as expected
  120.      * @throws NotFoundHttpException When controller cannot be found
  121.      */
  122.     private function handleRaw(Request $request, int $type = self::MAIN_REQUEST): Response
  123.     {
  124.         $this->requestStack->push($request);
  126.         // request
  127.         $event = new RequestEvent($this, $request, $type);
  128.         $this->dispatcher->dispatch($event, KernelEvents::REQUEST);
  130.         if ($event->hasResponse()) {
  131.             return $this->filterResponse($event->getResponse(), $request, $type);
  132.         }
  134.         // load controller
  135.         if (false === $controller = $this->resolver->getController($request)) {
  136.             throw new NotFoundHttpException(sprintf('Unable to find the controller for path "%s". The route is wrongly configured.', $request->getPathInfo()));
  137.         }
  139.         $event = new ControllerEvent($this, $controller, $request, $type);
  140.         $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER);
  141.         $controller = $event->getController();
  143.         // controller arguments
  144.         $arguments = $this->argumentResolver->getArguments($request, $controller);
  146.         $event = new ControllerArgumentsEvent($this, $controller, $arguments, $request, $type);
  147.         $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER_ARGUMENTS);
  148.         $controller = $event->getController();
  149.         $arguments = $event->getArguments();
  151.         // call controller
  152.         $response = $controller(...$arguments);
  154.         // view
  155.         if (!$response instanceof Response) {
  156.             $event = new ViewEvent($this, $request, $type, $response);
  157.             $this->dispatcher->dispatch($event, KernelEvents::VIEW);
  159.             if ($event->hasResponse()) {
  160.                 $response = $event->getResponse();
  161.             } else {
  162.                 $msg = sprintf('The controller must return a "Symfony\Component\HttpFoundation\Response" object but it returned %s.', $this->varToString($response));
  164.                 // the user may have forgotten to return something
  165.                 if (null === $response) {
  166.                     $msg .= ' Did you forget to add a return statement somewhere in your controller?';
  167.                 }
  169.                 throw new ControllerDoesNotReturnResponseException($msg, $controller, __FILE__, __LINE__ - 17);
  170.             }
  171.         }
  173.         return $this->filterResponse($response, $request, $type);
  174.     }
  176.     /**
  177.      * Filters a response object.
  178.      *
  179.      * @throws \RuntimeException if the passed object is not a Response instance
  180.      */
  181.     private function filterResponse(Response $response, Request $request, int $type): Response
  182.     {
  183.         $event = new ResponseEvent($this, $request, $type, $response);
  185.         $this->dispatcher->dispatch($event, KernelEvents::RESPONSE);
  187.         $this->finishRequest($request, $type);
  189.         return $event->getResponse();
  190.     }
  192.     /**
  193.      * Publishes the finish request event, then pop the request from the stack.
  194.      *
  195.      * Note that the order of the operations is important here, otherwise
  196.      * operations such as {@link RequestStack::getParentRequest()} can lead to
  197.      * weird results.
  198.      */
  199.     private function finishRequest(Request $request, int $type)
  200.     {
  201.         $this->dispatcher->dispatch(new FinishRequestEvent($this, $request, $type), KernelEvents::FINISH_REQUEST);
  202.         $this->requestStack->pop();
  203.     }
  205.     /**
  206.      * Handles a throwable by trying to convert it to a Response.
  207.      *
  208.      * @throws \Exception
  209.      */
  210.     private function handleThrowable(\Throwable $e, Request $request, int $type): Response
  211.     {
  212.         $event = new ExceptionEvent($this, $request, $type, $e);
  213.         $this->dispatcher->dispatch($event, KernelEvents::EXCEPTION);
  215.         // a listener might have replaced the exception
  216.         $e = $event->getThrowable();
  218.         if (!$event->hasResponse()) {
  219.             $this->finishRequest($request, $type);
  221.             throw $e;
  222.         }
  224.         $response = $event->getResponse();
  226.         // the developer asked for a specific status code
  227.         if (!$event->isAllowingCustomResponseCode() && !$response->isClientError() && !$response->isServerError() && !$response->isRedirect()) {
  228.             // ensure that we actually have an error response
  229.             if ($e instanceof HttpExceptionInterface) {
  230.                 // keep the HTTP status code and headers
  231.                 $response->setStatusCode($e->getStatusCode());
  232.                 $response->headers->add($e->getHeaders());
  233.             } else {
  234.                 $response->setStatusCode(500);
  235.             }
  236.         }
  238.         try {
  239.             return $this->filterResponse($response, $request, $type);
  240.         } catch (\Exception $e) {
  241.             return $response;
  242.         }
  243.     }
  245.     /**
  246.      * Returns a human-readable string for the specified variable.
  247.      */
  248.     private function varToString($var): string
  249.     {
  250.         if (\is_object($var)) {
  251.             return sprintf('an object of type %s', \get_class($var));
  252.         }
  254.         if (\is_array($var)) {
  255.             $a = [];
  256.             foreach ($var as $k => $v) {
  257.                 $a[] = sprintf('%s => ...', $k);
  258.             }
  260.             return sprintf('an array ([%s])', mb_substr(implode(', ', $a), 0, 255));
  261.         }
  263.         if (\is_resource($var)) {
  264.             return sprintf('a resource (%s)', get_resource_type($var));
  265.         }
  267.         if (null === $var) {
  268.             return 'null';
  269.         }
  271.         if (false === $var) {
  272.             return 'a boolean value (false)';
  273.         }
  275.         if (true === $var) {
  276.             return 'a boolean value (true)';
  277.         }
  279.         if (\is_string($var)) {
  280.             return sprintf('a string ("%s%s")', mb_substr($var, 0, 255), mb_strlen($var) > 255 ? '...' : '');
  281.         }
  283.         if (is_numeric($var)) {
  284.             return sprintf('a number (%s)', (string) $var);
  285.         }
  287.         return (string) $var;
  288.     }
  289. }
HTTP/2 401 returned for "https://api.hubapi.com/cms/v3/blogs/authors?hapikey=41d1972b-a2ce-454d-9e57-cd6355e00240". (500 Internal Server Error)

Symfony Exception

Symfony Docs

ClientException

HTTP 500 Internal Server Error

HTTP/2 401 returned for "https://api.hubapi.com/cms/v3/blogs/authors?hapikey=41d1972b-a2ce-454d-9e57-cd6355e00240".

Exception

Symfony\Component\HttpClient\Exception\ ClientException

in vendor/symfony/http-client/Response/TraceableResponse.php (line 212)
  1.         if (500 <= $code) {
  2.             throw new ServerException($this);
  3.         }
  5.         if (400 <= $code) {
  6.             throw new ClientException($this);
  7.         }
  9.         if (300 <= $code) {
  10.             throw new RedirectionException($this);
  11.         }
in vendor/symfony/http-client/Response/TraceableResponse.php -> checkStatusCode (line 103)
  1.         } finally {
  2.             if ($this->event && $this->event->isStarted()) {
  3.                 $this->event->stop();
  4.             }
  5.             if ($throw) {
  6.                 $this->checkStatusCode($this->response->getStatusCode());
  7.             }
  8.         }
  9.     }
  11.     public function toArray(bool $throw = true): array
TraceableResponse->getContent() in src/Blog.php (line 181)
  1.                     'hapikey' => $this->hubSpotKey,
  2.                     'after' => $after,
  3.                 ],
  4.             ]);
  6.             $result = json_decode($response->getContent(), true);
  7.         } catch (HttpExceptionInterface $e) {
  8.             $this->logger->error('Could not load blog posts from HubSpot', ['exception' => $e]);
  10.             throw $e;
  11.         }
Blog->loadBlogAuthors() in src/Blog.php (line 152)
  1.         if (!isset($this->authors)) {
  2.             $beta = $bustCache ? INF : null;
  3.             $this->authors = $this->cache->get('blog_authors', function (ItemInterface $item) {
  4.                 $item->expiresAfter(86400); // cache for 1 day
  6.                 return $this->loadBlogAuthors();
  7.             }, $beta);
  8.         }
  10.         return $this->authors;
  11.     }
in vendor/symfony/cache/Adapter/TraceableAdapter.php -> App\{closure} (line 51)
  2.         $isHit = true;
  3.         $callback = function (CacheItem $item, bool &$save) use ($callback, &$isHit) {
  4.             $isHit = $item->isHit();
  6.             return $callback($item, $save);
  7.         };
  9.         $event = $this->start(__FUNCTION__);
  10.         try {
  11.             $value = $this->pool->get($key, $callback, $beta, $metadata);
in vendor/symfony/cache/LockRegistry.php -> Symfony\Component\Cache\Adapter\{closure} (line 108)
  2.                 if ($locked || !$wouldBlock) {
  3.                     $logger && $logger->info(sprintf('Lock %s, now computing item "{key}"', $locked ? 'acquired' : 'not supported'), ['key' => $item->getKey()]);
  4.                     self::$lockedFiles[$key] = true;
  6.                     $value = $callback($item, $save);
  8.                     if ($save) {
  9.                         if ($setMetadata) {
  10.                             $setMetadata($item);
  11.                         }
in vendor/symfony/cache/Traits/ContractsTrait.php :: compute (line 100)
  1.             }
  3.             try {
  4.                 $value = ($this->callbackWrapper)($callback, $item, $save, $pool, function (CacheItem $item) use ($setMetadata, $startTime, &$metadata) {
  5.                     $setMetadata($item, $startTime, $metadata);
  6.                 }, $this->logger ?? null);
  7.                 $setMetadata($item, $startTime, $metadata);
  9.                 return $value;
  10.             } finally {
  11.                 unset($this->computing[$key]);
in vendor/symfony/cache-contracts/CacheTrait.php -> Symfony\Component\Cache\Traits\{closure} (line 72)
  1.             }
  2.         }
  4.         if ($recompute) {
  5.             $save = true;
  6.             $item->set($callback($item, $save));
  7.             if ($save) {
  8.                 $pool->save($item);
  9.             }
  10.         }
in vendor/symfony/cache/Traits/ContractsTrait.php -> contractsGet (line 107)
  2.                 return $value;
  3.             } finally {
  4.                 unset($this->computing[$key]);
  5.             }
  6.         }, $beta, $metadata, $this->logger ?? null);
  7.     }
  8. }
in vendor/symfony/cache-contracts/CacheTrait.php -> doGet (line 35)
  1.      *
  2.      * @return mixed
  3.      */
  4.     public function get(string $key, callable $callback, float $beta = null, array &$metadata = null)
  5.     {
  6.         return $this->doGet($this, $key, $callback, $beta, $metadata);
  7.     }
  9.     /**
  10.      * {@inheritdoc}
  11.      */
in vendor/symfony/cache/Adapter/TraceableAdapter.php -> get (line 56)
  1.             return $callback($item, $save);
  2.         };
  4.         $event = $this->start(__FUNCTION__);
  5.         try {
  6.             $value = $this->pool->get($key, $callback, $beta, $metadata);
  7.             $event->result[$key] = get_debug_type($value);
  8.         } finally {
  9.             $event->end = microtime(true);
  10.         }
  11.         if ($isHit) {
TraceableAdapter->get('blog_authors', object(Closure), INF) in src/Blog.php (line 149)
  2.     public function getAuthors(bool $bustCache = false): array
  3.     {
  4.         if (!isset($this->authors)) {
  5.             $beta = $bustCache ? INF : null;
  6.             $this->authors = $this->cache->get('blog_authors', function (ItemInterface $item) {
  7.                 $item->expiresAfter(86400); // cache for 1 day
  9.                 return $this->loadBlogAuthors();
  10.             }, $beta);
  11.         }
Blog->getAuthors(true) in src/Blog.php (line 37)
  1.      * WARNING: This will be slow and should not be called
  2.      * unless intentional.
  3.      */
  4.     public function bustCache(): void
  5.     {
  6.         $this->getAuthors(true);
  7.         $this->getTags(true);
  8.         $this->getAllPosts(true);
  9.     }
  11.     public function getAuthor(string $slug): ?array
Blog->bustCache() in src/EventSubscriber/ContentRefreshSubscriber.php (line 45)
  1.         // Update the last refresh time now to minimize cache stampede
  2.         $this->cache->get('lastContentRefresh', function () {
  3.             return time();
  4.         }, INF);
  6.         $this->blog->bustCache();
  7.     }
  9.     public static function getSubscribedEvents(): array
  10.     {
  11.         return [
ContentRefreshSubscriber->refresh() in src/EventSubscriber/ContentRefreshSubscriber.php (line 34)
  1.         $lastRefresh = $this->cache->get('lastContentRefresh', function () {
  2.             return 0;
  3.         });
  5.         if ($lastRefresh < strtotime('-5 minutes')) {
  6.             $this->refresh();
  7.         }
  8.     }
  10.     private function refresh(): void
  11.     {
in vendor/symfony/event-dispatcher/EventDispatcher.php -> onKernelTerminate (line 270)
  1.                     $closure = static function (...$args) use (&$listener, &$closure) {
  2.                         if ($listener[0] instanceof \Closure) {
  3.                             $listener[0] = $listener[0]();
  4.                             $listener[1] = $listener[1] ?? '__invoke';
  5.                         }
  6.                         ($closure = \Closure::fromCallable($listener))(...$args);
  7.                     };
  8.                 } else {
  9.                     $closure = $listener instanceof \Closure || $listener instanceof WrappedListener ? $listener : \Closure::fromCallable($listener);
  10.                 }
  11.             }
in vendor/symfony/event-dispatcher/EventDispatcher.php :: Symfony\Component\EventDispatcher\{closure} (line 230)
  2.         foreach ($listeners as $listener) {
  3.             if ($stoppable && $event->isPropagationStopped()) {
  4.                 break;
  5.             }
  6.             $listener($event, $eventName, $this);
  7.         }
  8.     }
  10.     /**
  11.      * Sorts the internal list of listeners for the given event by priority.
in vendor/symfony/event-dispatcher/EventDispatcher.php -> callListeners (line 59)
  1.         } else {
  2.             $listeners = $this->getListeners($eventName);
  3.         }
  5.         if ($listeners) {
  6.             $this->callListeners($listeners, $eventName, $event);
  7.         }
  9.         return $event;
  10.     }
in vendor/symfony/http-kernel/HttpKernel.php -> dispatch (line 94)
  1.     /**
  2.      * {@inheritdoc}
  3.      */
  4.     public function terminate(Request $request, Response $response)
  5.     {
  6.         $this->dispatcher->dispatch(new TerminateEvent($this, $request, $response), KernelEvents::TERMINATE);
  7.     }
  9.     /**
  10.      * @internal
  11.      */
in vendor/symfony/http-kernel/Kernel.php -> terminate (line 159)
  1.         if (false === $this->booted) {
  2.             return;
  3.         }
  5.         if ($this->getHttpKernel() instanceof TerminableInterface) {
  6.             $this->getHttpKernel()->terminate($request, $response);
  7.         }
  8.     }
  10.     /**
  11.      * {@inheritdoc}
Kernel->terminate(object(Request), object(Response)) in public/index.php (line 36)
  2. $kernel = new Kernel($_SERVER['APP_ENV'], (bool) $_SERVER['APP_DEBUG']);
  3. $request = Request::createFromGlobals();
  4. $response = $kernel->handle($request);
  5. $response->send();
  6. $kernel->terminate($request, $response);

Logs 3

Level Channel Message
INFO 14:44:15 php User Deprecated: Since symfony/framework-bundle 5.3: The "session.storage.native" service is deprecated, use "session.storage.factory.native" instead. 
{
    "exception": {}
}
INFO 14:44:15 php User Deprecated: Since symfony/framework-bundle 5.3: The "session.storage.metadata_bag" service is deprecated, create your own "session.storage.factory" instead. 
{
    "exception": {}
}
INFO 14:44:15 request Matched route "_profiler_open_file". 
{
    "route": "_profiler_open_file",
    "route_parameters": {
        "_route": "_profiler_open_file",
        "_controller": "web_profiler.controller.profiler::openAction"
    },
    "request_uri": "http://invoiced.project-release.info/_profiler/open?file=vendor%2Fsymfony%2Fhttp-kernel%2FHttpKernel.php&line=213",
    "method": "GET"
}
INFO 14:44:15 cache Lock acquired, now computing item "lastContentRefresh" 
{
    "key": "lastContentRefresh"
}
INFO 14:44:15 cache Lock acquired, now computing item "blog_authors" 
{
    "key": "blog_authors"
}
INFO 14:44:15 http_client Request: "GET https://api.hubapi.com/cms/v3/blogs/authors?hapikey=41d1972b-a2ce-454d-9e57-cd6355e00240"
INFO 14:44:15 http_client Response: "401 https://api.hubapi.com/cms/v3/blogs/authors?hapikey=41d1972b-a2ce-454d-9e57-cd6355e00240"
ERROR 14:44:15 app Could not load blog posts from HubSpot 
{
    "exception": {}
}
CRITICAL 14:44:15 php Uncaught Exception: HTTP/2 401 returned for "https://api.hubapi.com/cms/v3/blogs/authors?hapikey=41d1972b-a2ce-454d-9e57-cd6355e00240". 
{
    "exception": {}
}
CRITICAL 14:44:15 request Uncaught PHP Exception Symfony\Component\HttpClient\Exception\ClientException: "HTTP/2 401 returned for "https://api.hubapi.com/cms/v3/blogs/authors?hapikey=41d1972b-a2ce-454d-9e57-cd6355e00240"." at /var/www/invoiced/data/www/invoiced.project-release.info/vendor/symfony/http-client/Response/TraceableResponse.php line 212 
{
    "exception": {}
}

Stack Trace

ClientException 
Symfony\Component\HttpClient\Exception\ClientException:
HTTP/2 401  returned for "https://api.hubapi.com/cms/v3/blogs/authors?hapikey=41d1972b-a2ce-454d-9e57-cd6355e00240".

  at vendor/symfony/http-client/Response/TraceableResponse.php:212
  at Symfony\Component\HttpClient\Response\TraceableResponse->checkStatusCode(401)
     (vendor/symfony/http-client/Response/TraceableResponse.php:103)
  at Symfony\Component\HttpClient\Response\TraceableResponse->getContent()
     (src/Blog.php:181)
  at App\Blog->loadBlogAuthors()
     (src/Blog.php:152)
  at App\Blog->App\{closure}(object(CacheItem), true)
     (vendor/symfony/cache/Adapter/TraceableAdapter.php:51)
  at Symfony\Component\Cache\Adapter\TraceableAdapter->Symfony\Component\Cache\Adapter\{closure}(object(CacheItem), true)
     (vendor/symfony/cache/LockRegistry.php:108)
  at Symfony\Component\Cache\LockRegistry::compute(object(Closure), object(CacheItem), true, object(FilesystemAdapter), object(Closure), object(Logger))
     (vendor/symfony/cache/Traits/ContractsTrait.php:100)
  at Symfony\Component\Cache\Adapter\AbstractAdapter->Symfony\Component\Cache\Traits\{closure}(object(CacheItem), true)
     (vendor/symfony/cache-contracts/CacheTrait.php:72)
  at Symfony\Component\Cache\Adapter\AbstractAdapter->contractsGet(object(FilesystemAdapter), 'blog_authors', object(Closure), INF, array(), object(Logger))
     (vendor/symfony/cache/Traits/ContractsTrait.php:107)
  at Symfony\Component\Cache\Adapter\AbstractAdapter->doGet(object(FilesystemAdapter), 'blog_authors', object(Closure), INF, array())
     (vendor/symfony/cache-contracts/CacheTrait.php:35)
  at Symfony\Component\Cache\Adapter\AbstractAdapter->get('blog_authors', object(Closure), INF, array())
     (vendor/symfony/cache/Adapter/TraceableAdapter.php:56)
  at Symfony\Component\Cache\Adapter\TraceableAdapter->get('blog_authors', object(Closure), INF)
     (src/Blog.php:149)
  at App\Blog->getAuthors(true)
     (src/Blog.php:37)
  at App\Blog->bustCache()
     (src/EventSubscriber/ContentRefreshSubscriber.php:45)
  at App\EventSubscriber\ContentRefreshSubscriber->refresh()
     (src/EventSubscriber/ContentRefreshSubscriber.php:34)
  at App\EventSubscriber\ContentRefreshSubscriber->onKernelTerminate(object(TerminateEvent), 'kernel.terminate', object(EventDispatcher))
     (vendor/symfony/event-dispatcher/EventDispatcher.php:270)
  at Symfony\Component\EventDispatcher\EventDispatcher::Symfony\Component\EventDispatcher\{closure}(object(TerminateEvent), 'kernel.terminate', object(EventDispatcher))
     (vendor/symfony/event-dispatcher/EventDispatcher.php:230)
  at Symfony\Component\EventDispatcher\EventDispatcher->callListeners(array(object(Closure), object(Closure)), 'kernel.terminate', object(TerminateEvent))
     (vendor/symfony/event-dispatcher/EventDispatcher.php:59)
  at Symfony\Component\EventDispatcher\EventDispatcher->dispatch(object(TerminateEvent), 'kernel.terminate')
     (vendor/symfony/http-kernel/HttpKernel.php:94)
  at Symfony\Component\HttpKernel\HttpKernel->terminate(object(Request), object(Response))
     (vendor/symfony/http-kernel/Kernel.php:159)
  at Symfony\Component\HttpKernel\Kernel->terminate(object(Request), object(Response))
     (public/index.php:36)