^ "Something wrong"
Failed to start the session because headers have already been sent by "/home/admin/web/softdro.com/public_html/vendor/symfony/var-dumper/Dumper/AbstractDumper.php" at line 180. (500 Internal Server Error)

Symfony Exception

RuntimeException

HTTP 500 Internal Server Error

Failed to start the session because headers have already been sent by "/home/admin/web/softdro.com/public_html/vendor/symfony/var-dumper/Dumper/AbstractDumper.php" at line 180.

Exception

RuntimeException

  1.         if (\PHP_SESSION_ACTIVE === session_status()) {
  2.             throw new \RuntimeException('Failed to start the session: already started by PHP.');
  3.         }
  4.         if (filter_var(ini_get('session.use_cookies'), \FILTER_VALIDATE_BOOLEAN) && headers_sent($file$line)) {
  5.             throw new \RuntimeException(sprintf('Failed to start the session because headers have already been sent by "%s" at line %d.'$file$line));
  6.         }
  7.         $sessionId $_COOKIE[session_name()] ?? null;
  8.         if ($sessionId && $this->saveHandler instanceof AbstractProxy && 'files' === $this->saveHandler->getSaveHandlerName() && !preg_match('/^[a-zA-Z0-9,-]{22,}$/'$sessionId)) {
  9.             // the session ID in the header is invalid, create a new one
  1.         }
  2.         if (!$this->started && $this->saveHandler->isActive()) {
  3.             $this->loadSession();
  4.         } elseif (!$this->started) {
  5.             $this->start();
  6.         }
  7.         return $this->bags[$name];
  8.     }
  1.     /**
  2.      * {@inheritdoc}
  3.      */
  4.     public function getBag($name)
  5.     {
  6.         $bag $this->storage->getBag($name);
  7.         return method_exists($bag'getBag') ? $bag->getBag() : $bag;
  8.     }
  9.     /**
  1.      *
  2.      * Note that this method was added to help with IDE autocompletion.
  3.      */
  4.     private function getAttributeBag(): AttributeBagInterface
  5.     {
  6.         return $this->getBag($this->attributeName);
  7.     }
  8. }
  1.     /**
  2.      * {@inheritdoc}
  3.      */
  4.     public function set($name$value)
  5.     {
  6.         $this->getAttributeBag()->set($name$value);
  7.     }
  8.     /**
  9.      * {@inheritdoc}
  10.      */
  1.      *
  2.      * Usually, you do not need to set this directly.
  3.      */
  4.     private function saveTargetPath(SessionInterface $sessionstring $providerKeystring $uri)
  5.     {
  6.         $session->set('_security.'.$providerKey.'.target_path'$uri);
  7.     }
  8.     /**
  9.      * Returns the URL (if any) the user visited that forced them to login.
  10.      */
  1.     protected function setTargetPath(Request $request)
  2.     {
  3.         // session isn't required when using HTTP basic authentication mechanism for example
  4.         if ($request->hasSession() && $request->isMethodSafe() && !$request->isXmlHttpRequest()) {
  5.             $this->saveTargetPath($request->getSession(), $this->providerKey$request->getUri());
  6.         }
  7.     }
  8. }
  1.         if (null !== $this->logger) {
  2.             $this->logger->debug('Calling Authentication entry point.');
  3.         }
  4.         if (!$this->stateless) {
  5.             $this->setTargetPath($request);
  6.         }
  7.         if ($authException instanceof AccountStatusException) {
  8.             // remove the security token to prevent infinite redirect loops
  9.             $this->tokenStorage->setToken(null);
  1.             try {
  2.                 $insufficientAuthenticationException = new InsufficientAuthenticationException('Full authentication is required to access this resource.'0$exception);
  3.                 $insufficientAuthenticationException->setToken($token);
  4.                 $event->setResponse($this->startAuthentication($event->getRequest(), $insufficientAuthenticationException));
  5.             } catch (\Exception $e) {
  6.                 $event->setThrowable($e);
  7.             }
  8.             return;
in vendor/symfony/security-http/Firewall/ExceptionListener.php->handleAccessDeniedException (line 102)
  1.                 return;
  2.             }
  3.             if ($exception instanceof AccessDeniedException) {
  4.                 $this->handleAccessDeniedException($event$exception);
  5.                 return;
  6.             }
  7.             if ($exception instanceof LazyResponseException) {
  1.         $this->called true;
  2.         $this->priority $dispatcher->getListenerPriority($eventName$this->listener);
  3.         $e $this->stopwatch->start($this->name'event_listener');
  4.         ($this->optimizedListener ?? $this->listener)($event$eventName$dispatcher);
  5.         if ($e->isStarted()) {
  6.             $e->stop();
  7.         }
  1.     {
  2.         foreach ($listeners as $listener) {
  3.             if ($event->isPropagationStopped()) {
  4.                 break;
  5.             }
  6.             $listener($event$eventName$this);
  7.         }
  8.     }
  9.     /**
  10.      * Sorts the internal list of listeners for the given event by priority.
  1.      * @param object     $event     The event object to pass to the event handlers/listeners
  2.      */
  3.     protected function callListeners(iterable $listenersstring $eventName$event)
  4.     {
  5.         if ($event instanceof Event) {
  6.             $this->doDispatch($listeners$eventName$event);
  7.             return;
  8.         }
  9.         $stoppable $event instanceof ContractsEvent || $event instanceof StoppableEventInterface;
  1.         } else {
  2.             $listeners $this->getListeners($eventName);
  3.         }
  4.         if ($listeners) {
  5.             $this->callListeners($listeners$eventName$event);
  6.         }
  7.         return $event;
  8.     }
  1.         try {
  2.             $this->beforeDispatch($eventName$event);
  3.             try {
  4.                 $e $this->stopwatch->start($eventName'section');
  5.                 try {
  6.                     $this->dispatcher->dispatch($event$eventName);
  7.                 } finally {
  8.                     if ($e->isStarted()) {
  9.                         $e->stop();
  10.                     }
  11.                 }
  1.      * @throws \Exception
  2.      */
  3.     private function handleThrowable(\Throwable $eRequest $requestint $type): Response
  4.     {
  5.         $event = new ExceptionEvent($this$request$type$e);
  6.         $this->dispatcher->dispatch($eventKernelEvents::EXCEPTION);
  7.         // a listener might have replaced the exception
  8.         $e $event->getThrowable();
  9.         if (!$event->hasResponse()) {
in vendor/symfony/http-kernel/HttpKernel.php->handleThrowable (line 91)
  1.                 $this->finishRequest($request$type);
  2.                 throw $e;
  3.             }
  4.             return $this->handleThrowable($e$request$type);
  5.         }
  6.     }
  7.     /**
  8.      * {@inheritdoc}
  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 Trace

RuntimeException

RuntimeException:
Failed to start the session because headers have already been sent by "/home/admin/web/softdro.com/public_html/vendor/symfony/var-dumper/Dumper/AbstractDumper.php" at line 180.

  at vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php:152
  at Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start()
     (vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php:329)
  at Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->getBag()
     (vendor/symfony/http-foundation/Session/Session.php:251)
  at Symfony\Component\HttpFoundation\Session\Session->getBag()
     (vendor/symfony/http-foundation/Session/Session.php:273)
  at Symfony\Component\HttpFoundation\Session\Session->getAttributeBag()
     (vendor/symfony/http-foundation/Session/Session.php:81)
  at Symfony\Component\HttpFoundation\Session\Session->set()
     (vendor/symfony/security-http/Util/TargetPathTrait.php:28)
  at Symfony\Component\Security\Http\Firewall\ExceptionListener->saveTargetPath()
     (vendor/symfony/security-http/Firewall/ExceptionListener.php:231)
  at Symfony\Component\Security\Http\Firewall\ExceptionListener->setTargetPath()
     (vendor/symfony/security-http/Firewall/ExceptionListener.php:204)
  at Symfony\Component\Security\Http\Firewall\ExceptionListener->startAuthentication()
     (vendor/symfony/security-http/Firewall/ExceptionListener.php:149)
  at Symfony\Component\Security\Http\Firewall\ExceptionListener->handleAccessDeniedException()
     (vendor/symfony/security-http/Firewall/ExceptionListener.php:102)
  at Symfony\Component\Security\Http\Firewall\ExceptionListener->onKernelException()
     (vendor/symfony/event-dispatcher/Debug/WrappedListener.php:126)
  at Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke()
     (vendor/symfony/event-dispatcher/EventDispatcher.php:264)
  at Symfony\Component\EventDispatcher\EventDispatcher->doDispatch()
     (vendor/symfony/event-dispatcher/EventDispatcher.php:239)
  at Symfony\Component\EventDispatcher\EventDispatcher->callListeners()
     (vendor/symfony/event-dispatcher/EventDispatcher.php:73)
  at Symfony\Component\EventDispatcher\EventDispatcher->dispatch()
     (vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php:168)
  at Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch()
     (vendor/symfony/http-kernel/HttpKernel.php:219)
  at Symfony\Component\HttpKernel\HttpKernel->handleThrowable()
     (vendor/symfony/http-kernel/HttpKernel.php:91)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:201)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (public/index.php:25)