Failed to start the session because headers have already been sent by "/var/www/new-be.silverjet.nl/vendor/symfony/var-dumper/Dumper/AbstractDumper.php" at line 181. (500 Internal Server Error)

Exception

RuntimeException

in vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 145)

if (\PHP_SESSION_ACTIVE === session_status()) {
throw new \RuntimeException('Failed to start the session: already started by PHP.');
}
if (filter_var(ini_get('session.use_cookies'), FILTER_VALIDATE_BOOLEAN) && headers_sent($file, $line)) {
throw new \RuntimeException(sprintf('Failed to start the session because headers have already been sent by "%s" at line %d.', $file, $line));
}
// ok to try and start the session
if (!session_start()) {
throw new \RuntimeException('Failed to start the session');

in vendor/symfony/http-foundation/Session/Session.php->start (line 57)

/**
* {@inheritdoc}
*/
public function start()
{
return $this->storage->start();
}
/**
* {@inheritdoc}
*/

in vendor/symfony/security-csrf/TokenStorage/SessionTokenStorage.php->start (line 78)

* {@inheritdoc}
*/
public function hasToken($tokenId)
{
if (!$this->session->isStarted()) {
$this->session->start();
}
return $this->session->has($this->namespace.'/'.$tokenId);
}

in vendor/symfony/security-csrf/CsrfTokenManager.php->hasToken (line 72)

* {@inheritdoc}
*/
public function getToken($tokenId)
{
$namespacedId = $this->getNamespace().$tokenId;
if ($this->storage->hasToken($namespacedId)) {
$value = $this->storage->getToken($namespacedId);
} else {
$value = $this->generator->generateToken();
$this->storage->setToken($namespacedId, $value);

in vendor/symfony/form/Extension/Csrf/Type/FormTypeCsrfExtension.php->getToken (line 91)

public function finishView(FormView $view, FormInterface $form, array $options)
{
if ($options['csrf_protection'] && !$view->parent && $options['compound']) {
$factory = $form->getConfig()->getFormFactory();
$tokenId = $options['csrf_token_id'] ?: ($form->getName() ?: \get_class($form->getConfig()->getType()->getInnerType()));
$data = (string) $options['csrf_token_manager']->getToken($tokenId);
$csrfForm = $factory->createNamed($options['csrf_field_name'], 'Symfony\Component\Form\Extension\Core\Type\HiddenType', $data, [
'mapped' => false,
]);

in vendor/symfony/form/ResolvedFormType.php->finishView (line 174)

$this->innerType->finishView($view, $form, $options);
foreach ($this->typeExtensions as $extension) {
/* @var FormTypeExtensionInterface $extension */
$extension->finishView($view, $form, $options);
}
}
/**
* Returns the configured options resolver used for this type.

in vendor/symfony/form/Extension/DataCollector/Proxy/ResolvedTypeDataCollectorProxy.php->finishView (line 111)

/**
* {@inheritdoc}
*/
public function finishView(FormView $view, FormInterface $form, array $options)
{
$this->proxiedType->finishView($view, $form, $options);
// Remember which view belongs to which form instance, so that we can
// get the collected data for a view when its form instance is not
// available (e.g. CSRF token)
$this->dataCollector->associateFormWithView($form, $view);

in vendor/symfony/form/Form.php->finishView (line 1046)

foreach ($this->children as $name => $child) {
$view->children[$name] = $child->createView($view);
}
$type->finishView($view, $this, $options);
return $view;
}
/**

Form->createView() in src/Controller/BrochureController.php (line 108)

} else {
$aResults[] = 'no_data_received';
}
}
return $this->render('brochure/request.html.twig', ['results' => $aResults, 'form' => $form->createView()]);
}
/**
* @Route("brochure/bedankt", name="brochure_thank_you", requirements={"_locale": "%app_locales%"})
*/

in vendor/symfony/http-kernel/HttpKernel.php->request (line 150)

$this->dispatcher->dispatch(KernelEvents::CONTROLLER_ARGUMENTS, $event);
$controller = $event->getController();
$arguments = $event->getArguments();
// call controller
$response = $controller(...$arguments);
// view
if (!$response instanceof Response) {
$event = new GetResponseForControllerResultEvent($this, $request, $type, $response);
$this->dispatcher->dispatch(KernelEvents::VIEW, $event);

in vendor/symfony/http-kernel/HttpKernel.php->handleRaw (line 67)

public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
{
$request->headers->set('X-Php-Ob-Level', ob_get_level());
try {
return $this->handleRaw($request, $type);
} catch (\Exception $e) {
if ($e instanceof RequestExceptionInterface) {
$e = new BadRequestHttpException($e->getMessage(), $e);
}
if (false === $catch) {

in vendor/symfony/http-kernel/Kernel.php->handle (line 198)

$this->boot();
++$this->requestStackSize;
$this->resetServices = true;
try {
return $this->getHttpKernel()->handle($request, $type, $catch);
} finally {
--$this->requestStackSize;
}
}

Kernel->handle(object(Request)) in public/index.php (line 43)

setcookie( "iUserID", $_GET['iUserID'], time() + 60 * 60 * 24 * 30, "/" );
}
$kernel = new Kernel($_SERVER['APP_ENV'] ?? 'dev', $_SERVER['APP_DEBUG'] ?? ('prod' !== ($_SERVER['APP_ENV'] ?? 'dev')));
$request = Request::createFromGlobals();
$response = $kernel->handle($request);
$response->send();
$kernel->terminate($request, $response);

Stack Trace

RuntimeException
RuntimeException: Failed to start the session because headers have already been sent by "/var/www/new-be.silverjet.nl/vendor/symfony/var-dumper/Dumper/AbstractDumper.php" at line 181. at vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php:145 at Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() (vendor/symfony/http-foundation/Session/Session.php:57) at Symfony\Component\HttpFoundation\Session\Session->start() (vendor/symfony/security-csrf/TokenStorage/SessionTokenStorage.php:78) at Symfony\Component\Security\Csrf\TokenStorage\SessionTokenStorage->hasToken('https-form') (vendor/symfony/security-csrf/CsrfTokenManager.php:72) at Symfony\Component\Security\Csrf\CsrfTokenManager->getToken('form') (vendor/symfony/form/Extension/Csrf/Type/FormTypeCsrfExtension.php:91) at Symfony\Component\Form\Extension\Csrf\Type\FormTypeCsrfExtension->finishView(object(FormView), object(Form), array('block_name' => null, 'disabled' => false, 'label' => null, 'label_format' => null, 'translation_domain' => null, 'auto_initialize' => true, 'trim' => true, 'required' => true, 'property_path' => null, 'mapped' => true, 'by_reference' => true, 'inherit_data' => false, 'compound' => true, 'method' => 'POST', 'action' => '', 'post_max_size_message' => 'The uploaded file was too large. Please try to upload a smaller file.', 'allow_file_upload' => false, 'error_mapping' => array(), 'invalid_message' => 'This value is not valid.', 'invalid_message_parameters' => array(), 'allow_extra_fields' => false, 'extra_fields_message' => 'This form should not contain extra fields.', 'csrf_protection' => true, 'csrf_field_name' => '_token', 'csrf_message' => 'The CSRF token is invalid. Please try to resubmit the form.', 'csrf_token_manager' => object(CsrfTokenManager), 'csrf_token_id' => null, 'attr' => array(), 'data_class' => null, 'empty_data' => object(Closure), 'error_bubbling' => true, 'label_attr' => array(), 'upload_max_size_message' => object(Closure), 'help' => null, 'help_attr' => array(), 'validation_groups' => null, 'constraints' => array())) (vendor/symfony/form/ResolvedFormType.php:174) at Symfony\Component\Form\ResolvedFormType->finishView(object(FormView), object(Form), array('block_name' => null, 'disabled' => false, 'label' => null, 'label_format' => null, 'translation_domain' => null, 'auto_initialize' => true, 'trim' => true, 'required' => true, 'property_path' => null, 'mapped' => true, 'by_reference' => true, 'inherit_data' => false, 'compound' => true, 'method' => 'POST', 'action' => '', 'post_max_size_message' => 'The uploaded file was too large. Please try to upload a smaller file.', 'allow_file_upload' => false, 'error_mapping' => array(), 'invalid_message' => 'This value is not valid.', 'invalid_message_parameters' => array(), 'allow_extra_fields' => false, 'extra_fields_message' => 'This form should not contain extra fields.', 'csrf_protection' => true, 'csrf_field_name' => '_token', 'csrf_message' => 'The CSRF token is invalid. Please try to resubmit the form.', 'csrf_token_manager' => object(CsrfTokenManager), 'csrf_token_id' => null, 'attr' => array(), 'data_class' => null, 'empty_data' => object(Closure), 'error_bubbling' => true, 'label_attr' => array(), 'upload_max_size_message' => object(Closure), 'help' => null, 'help_attr' => array(), 'validation_groups' => null, 'constraints' => array())) (vendor/symfony/form/Extension/DataCollector/Proxy/ResolvedTypeDataCollectorProxy.php:111) at Symfony\Component\Form\Extension\DataCollector\Proxy\ResolvedTypeDataCollectorProxy->finishView(object(FormView), object(Form), array('block_name' => null, 'disabled' => false, 'label' => null, 'label_format' => null, 'translation_domain' => null, 'auto_initialize' => true, 'trim' => true, 'required' => true, 'property_path' => null, 'mapped' => true, 'by_reference' => true, 'inherit_data' => false, 'compound' => true, 'method' => 'POST', 'action' => '', 'post_max_size_message' => 'The uploaded file was too large. Please try to upload a smaller file.', 'allow_file_upload' => false, 'error_mapping' => array(), 'invalid_message' => 'This value is not valid.', 'invalid_message_parameters' => array(), 'allow_extra_fields' => false, 'extra_fields_message' => 'This form should not contain extra fields.', 'csrf_protection' => true, 'csrf_field_name' => '_token', 'csrf_message' => 'The CSRF token is invalid. Please try to resubmit the form.', 'csrf_token_manager' => object(CsrfTokenManager), 'csrf_token_id' => null, 'attr' => array(), 'data_class' => null, 'empty_data' => object(Closure), 'error_bubbling' => true, 'label_attr' => array(), 'upload_max_size_message' => object(Closure), 'help' => null, 'help_attr' => array(), 'validation_groups' => null, 'constraints' => array())) (vendor/symfony/form/Form.php:1046) at Symfony\Component\Form\Form->createView() (src/Controller/BrochureController.php:108) at App\Controller\BrochureController->request('199', object(Request), object(SisProvider), object(DataCollectorTranslator)) (vendor/symfony/http-kernel/HttpKernel.php:150) at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), 1) (vendor/symfony/http-kernel/HttpKernel.php:67) at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), 1, true) (vendor/symfony/http-kernel/Kernel.php:198) at Symfony\Component\HttpKernel\Kernel->handle(object(Request)) (public/index.php:43)

RuntimeException

RuntimeException:
Failed to start the session because headers have already been sent by "/var/www/new-be.silverjet.nl/vendor/symfony/var-dumper/Dumper/AbstractDumper.php" at line 181.

  at vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php:145
  at Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start()
     (vendor/symfony/http-foundation/Session/Session.php:57)
  at Symfony\Component\HttpFoundation\Session\Session->start()
     (vendor/symfony/security-csrf/TokenStorage/SessionTokenStorage.php:78)
  at Symfony\Component\Security\Csrf\TokenStorage\SessionTokenStorage->hasToken('https-form')
     (vendor/symfony/security-csrf/CsrfTokenManager.php:72)
  at Symfony\Component\Security\Csrf\CsrfTokenManager->getToken('form')
     (vendor/symfony/form/Extension/Csrf/Type/FormTypeCsrfExtension.php:91)
  at Symfony\Component\Form\Extension\Csrf\Type\FormTypeCsrfExtension->finishView(object(FormView), object(Form), array('block_name' => null, 'disabled' => false, 'label' => null, 'label_format' => null, 'translation_domain' => null, 'auto_initialize' => true, 'trim' => true, 'required' => true, 'property_path' => null, 'mapped' => true, 'by_reference' => true, 'inherit_data' => false, 'compound' => true, 'method' => 'POST', 'action' => '', 'post_max_size_message' => 'The uploaded file was too large. Please try to upload a smaller file.', 'allow_file_upload' => false, 'error_mapping' => array(), 'invalid_message' => 'This value is not valid.', 'invalid_message_parameters' => array(), 'allow_extra_fields' => false, 'extra_fields_message' => 'This form should not contain extra fields.', 'csrf_protection' => true, 'csrf_field_name' => '_token', 'csrf_message' => 'The CSRF token is invalid. Please try to resubmit the form.', 'csrf_token_manager' => object(CsrfTokenManager), 'csrf_token_id' => null, 'attr' => array(), 'data_class' => null, 'empty_data' => object(Closure), 'error_bubbling' => true, 'label_attr' => array(), 'upload_max_size_message' => object(Closure), 'help' => null, 'help_attr' => array(), 'validation_groups' => null, 'constraints' => array()))
     (vendor/symfony/form/ResolvedFormType.php:174)
  at Symfony\Component\Form\ResolvedFormType->finishView(object(FormView), object(Form), array('block_name' => null, 'disabled' => false, 'label' => null, 'label_format' => null, 'translation_domain' => null, 'auto_initialize' => true, 'trim' => true, 'required' => true, 'property_path' => null, 'mapped' => true, 'by_reference' => true, 'inherit_data' => false, 'compound' => true, 'method' => 'POST', 'action' => '', 'post_max_size_message' => 'The uploaded file was too large. Please try to upload a smaller file.', 'allow_file_upload' => false, 'error_mapping' => array(), 'invalid_message' => 'This value is not valid.', 'invalid_message_parameters' => array(), 'allow_extra_fields' => false, 'extra_fields_message' => 'This form should not contain extra fields.', 'csrf_protection' => true, 'csrf_field_name' => '_token', 'csrf_message' => 'The CSRF token is invalid. Please try to resubmit the form.', 'csrf_token_manager' => object(CsrfTokenManager), 'csrf_token_id' => null, 'attr' => array(), 'data_class' => null, 'empty_data' => object(Closure), 'error_bubbling' => true, 'label_attr' => array(), 'upload_max_size_message' => object(Closure), 'help' => null, 'help_attr' => array(), 'validation_groups' => null, 'constraints' => array()))
     (vendor/symfony/form/Extension/DataCollector/Proxy/ResolvedTypeDataCollectorProxy.php:111)
  at Symfony\Component\Form\Extension\DataCollector\Proxy\ResolvedTypeDataCollectorProxy->finishView(object(FormView), object(Form), array('block_name' => null, 'disabled' => false, 'label' => null, 'label_format' => null, 'translation_domain' => null, 'auto_initialize' => true, 'trim' => true, 'required' => true, 'property_path' => null, 'mapped' => true, 'by_reference' => true, 'inherit_data' => false, 'compound' => true, 'method' => 'POST', 'action' => '', 'post_max_size_message' => 'The uploaded file was too large. Please try to upload a smaller file.', 'allow_file_upload' => false, 'error_mapping' => array(), 'invalid_message' => 'This value is not valid.', 'invalid_message_parameters' => array(), 'allow_extra_fields' => false, 'extra_fields_message' => 'This form should not contain extra fields.', 'csrf_protection' => true, 'csrf_field_name' => '_token', 'csrf_message' => 'The CSRF token is invalid. Please try to resubmit the form.', 'csrf_token_manager' => object(CsrfTokenManager), 'csrf_token_id' => null, 'attr' => array(), 'data_class' => null, 'empty_data' => object(Closure), 'error_bubbling' => true, 'label_attr' => array(), 'upload_max_size_message' => object(Closure), 'help' => null, 'help_attr' => array(), 'validation_groups' => null, 'constraints' => array()))
     (vendor/symfony/form/Form.php:1046)
  at Symfony\Component\Form\Form->createView()
     (src/Controller/BrochureController.php:108)
  at App\Controller\BrochureController->request('199', object(Request), object(SisProvider), object(DataCollectorTranslator))
     (vendor/symfony/http-kernel/HttpKernel.php:150)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), 1)
     (vendor/symfony/http-kernel/HttpKernel.php:67)
  at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), 1, true)
     (vendor/symfony/http-kernel/Kernel.php:198)
  at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
     (public/index.php:43)

Symfony Exception

RuntimeException

HTTP 500 Internal Server Error

Failed to start the session because headers have already been sent by "/var/www/new-be.silverjet.nl/vendor/symfony/var-dumper/Dumper/AbstractDumper.php" at line 181.

Exception

RuntimeException

Stack Trace

RuntimeException