Failed to start the session because headers have already been sent by "/var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/IsGrantedListener.php" at line 33. (500 Internal Server Error)

Exception

RuntimeException

in vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 132)

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_BOOL) && 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));
}
$sessionId = $_COOKIE[session_name()] ?? null;
/*
* Explanation of the session ID regular expression: `/^[a-zA-Z0-9,-]{22,250}$/`.

in vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php -> start (line 311)

}
if (!$this->started && $this->saveHandler->isActive()) {
$this->loadSession();
} elseif (!$this->started) {
$this->start();
}
return $this->bags[$name];
}

in vendor/symfony/http-foundation/Session/Session.php -> getBag (line 222)

$this->storage->registerBag(new SessionBagProxy($bag, $this->data, $this->usageIndex, $this->usageReporter));
}
public function getBag(string $name): SessionBagInterface
{
$bag = $this->storage->getBag($name);
return method_exists($bag, 'getBag') ? $bag->getBag() : $bag;
}
/**

in vendor/symfony/http-foundation/Session/Session.php -> getBag (line 242)

*
* Note that this method was added to help with IDE autocompletion.
*/
private function getAttributeBag(): AttributeBagInterface
{
return $this->getBag($this->attributeName);
}
}

in vendor/symfony/http-foundation/Session/Session.php -> getAttributeBag (line 69)

return $this->getAttributeBag()->has($name);
}
public function get(string $name, mixed $default = null): mixed
{
return $this->getAttributeBag()->get($name, $default);
}
/**
* @return void
*/

Session->get() in src/Services/ATSUtilitiesService.php (line 444)

if ($languageSelected !== null) {
return $languageSelected;
}
$session = $this->requestStack->getSession();
$langCode = $session->get('selected_language') ?? $session->get('_locale');
if (is_string($langCode) && trim($langCode) !== '') {
$normalizedLangCode = strtolower(trim($langCode));
$activeLanguages = $this->languagesRepository->findBy(

ATSUtilitiesService->getLanguageSelected() in src/EventListener/LocalListener.php (line 77)

if (!$session) {
return;
}
// Use your LanguagesService to resolve the selected language entity
$languageEntity = $this->languagesService->getLanguageSelected();
$locale = null;
if ($languageEntity instanceof Languages) {
// IMPORTANT: use abbreviation (en, de, fr, etc.), not "German"/"French"
$locale = $languageEntity->getAbbreviation();

in vendor/symfony/event-dispatcher/Debug/WrappedListener.php -> onKernelRequest (line 116)

$this->priority ??= $dispatcher->getListenerPriority($eventName, $this->listener);
$e = $this->stopwatch->start($this->name, 'event_listener');
try {
($this->optimizedListener ?? $this->listener)($event, $eventName, $dispatcher);
} finally {
if ($e->isStarted()) {
$e->stop();
}
}

in vendor/symfony/event-dispatcher/EventDispatcher.php -> __invoke (line 220)

foreach ($listeners as $listener) {
if ($stoppable && $event->isPropagationStopped()) {
break;
}
$listener($event, $eventName, $this);
}
}
/**
* Sorts the internal list of listeners for the given event by priority.

in vendor/symfony/event-dispatcher/EventDispatcher.php -> callListeners (line 56)

} else {
$listeners = $this->getListeners($eventName);
}
if ($listeners) {
$this->callListeners($listeners, $eventName, $event);
}
return $event;
}

in vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php -> dispatch (line 139)

try {
$this->beforeDispatch($eventName, $event);
try {
$e = $this->stopwatch->start($eventName, 'section');
try {
$this->dispatcher->dispatch($event, $eventName);
} finally {
if ($e->isStarted()) {
$e->stop();
}
}

in vendor/symfony/http-kernel/HttpKernel.php -> dispatch (line 157)

*/
private function handleRaw(Request $request, int $type = self::MAIN_REQUEST): Response
{
// request
$event = new RequestEvent($this, $request, $type);
$this->dispatcher->dispatch($event, KernelEvents::REQUEST);
if ($event->hasResponse()) {
return $this->filterResponse($event->getResponse(), $request, $type);
}

in vendor/symfony/http-kernel/HttpKernel.php -> handleRaw (line 76)

$request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
$this->requestStack->push($request);
$response = null;
try {
return $response = $this->handleRaw($request, $type);
} catch (\Throwable $e) {
if ($e instanceof \Error && !$this->handleAllThrowables) {
throw $e;
}

in vendor/symfony/http-kernel/Kernel.php -> handle (line 197)

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

in vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php -> handle (line 35)

) {
}
public function run(): int
{
$response = $this->kernel->handle($this->request);
if (Kernel::VERSION_ID >= 60400) {
$response->send(false);
if (\function_exists('fastcgi_finish_request') && !$this->debug) {

in vendor/autoload_runtime.php -> run (line 29)

$app = $app(...$args);
exit(
$runtime
->getRunner($app)
->run()
);

require_once('/var/www/html/whistlesandbells/vendor/autoload_runtime.php') in public/index.php (line 5)

<?php
use App\Kernel;
require_once dirname(__DIR__).'/vendor/autoload_runtime.php';
return function (array $context) {
return new Kernel($context['APP_ENV'], (bool) $context['APP_DEBUG']);
};

Logs 1

Level	Message
info 00:00:21	User Deprecated: Method "Symfony\Component\HttpKernel\Bundle\Bundle::build()" might add "void" as a native return type declaration in the future. Do the same in child class "Sensio\Bundle\FrameworkExtraBundle\SensioFrameworkExtraBundle" now to avoid errors or add an explicit @return annotation to suppress this message. { "exception": {} }
info 00:00:21	Deprecated: Creation of dynamic property App\Services\FindClientOrDogDetailsFromUser::$userRepository is deprecated { "exception": {} }
info 00:00:21	Deprecated: Creation of dynamic property App\Services\FindClientOrDogDetailsFromUser::$clientDetailsRepository is deprecated { "exception": {} }
info 00:00:21	Deprecated: Creation of dynamic property App\Services\FindClientOrDogDetailsFromUser::$dogsRepository is deprecated { "exception": {} }
info 00:00:21	Matched route "view_business_contact_photo". { "route": "view_business_contact_photo", "route_parameters": { "_route": "view_business_contact_photo", "_controller": "App\\Controller\\ATS\\BusinessContactsController::viewBusinessContactPhoto", "id": "231" }, "request_uri": "https://www.whistlesandbells.atts-systems.com/businesscontacts/view/photo/231", "method": "GET" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "App\EventSubscriber\LocaleSubscriber::onKernelRequest". { "event": "kernel.request", "listener": "App\\EventSubscriber\\LocaleSubscriber::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "App\EventListener\LocalListener::onKernelRequest". { "event": "kernel.request", "listener": "App\\EventListener\\LocalListener::onKernelRequest" }
critical 00:00:21	Uncaught PHP Exception RuntimeException: "Failed to start the session because headers have already been sent by "/var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/IsGrantedListener.php" at line 33." at NativeSessionStorage.php line 132 { "exception": {} }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "App\EventSubscriber\LocaleSubscriber::onKernelRequest". { "event": "kernel.request", "listener": "App\\EventSubscriber\\LocaleSubscriber::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "App\EventListener\LocalListener::onKernelRequest". { "event": "kernel.request", "listener": "App\\EventListener\\LocalListener::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest". { "event": "kernel.request", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator". { "event": "kernel.request", "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator" }
debug 00:00:21	Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest". { "event": "kernel.request", "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest" }
debug 00:00:21	Notified event "kernel.request" to listener "Knp\Bundle\PaginatorBundle\Subscriber\SlidingPaginationSubscriber::onKernelRequest". { "event": "kernel.request", "listener": "Knp\\Bundle\\PaginatorBundle\\Subscriber\\SlidingPaginationSubscriber::onKernelRequest" }
info 00:00:21	User Deprecated: Since symfony/framework-bundle 6.4: The "annotations.cached_reader" service is deprecated without replacement. { "exception": {} }
info 00:00:21	User Deprecated: Since symfony/framework-bundle 6.4: The "annotations.reader" service is deprecated without replacement. { "exception": {} }
info 00:00:21	User Deprecated: Since symfony/framework-bundle 6.4: The "annotations.cache_adapter" service is deprecated without replacement. { "exception": {} }
debug 00:00:21	Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController". { "event": "kernel.controller", "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ControllerListener::onKernelController" }
debug 00:00:21	Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController". { "event": "kernel.controller", "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ParamConverterListener::onKernelController" }
debug 00:00:21	Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController". { "event": "kernel.controller", "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelController" }
debug 00:00:21	Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController". { "event": "kernel.controller", "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener::onKernelController" }
debug 00:00:21	Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsGrantedAttributeListener::onKernelControllerArguments". { "event": "kernel.controller_arguments", "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsGrantedAttributeListener::onKernelControllerArguments" }
debug 00:00:21	Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelControllerArguments". { "event": "kernel.controller_arguments", "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelControllerArguments" }
debug 00:00:21	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 00:00:21	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 00:00:21	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

RuntimeException
RuntimeException: Failed to start the session because headers have already been sent by "/var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/IsGrantedListener.php" at line 33. at vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php:132 at Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() (vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php:311) at Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->getBag() (vendor/symfony/http-foundation/Session/Session.php:222) at Symfony\Component\HttpFoundation\Session\Session->getBag() (vendor/symfony/http-foundation/Session/Session.php:242) at Symfony\Component\HttpFoundation\Session\Session->getAttributeBag() (vendor/symfony/http-foundation/Session/Session.php:69) at Symfony\Component\HttpFoundation\Session\Session->get() (src/Services/ATSUtilitiesService.php:444) at App\Services\ATSUtilitiesService->getLanguageSelected() (src/EventListener/LocalListener.php:77) at App\EventListener\LocalListener->onKernelRequest() (vendor/symfony/event-dispatcher/Debug/WrappedListener.php:116) at Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke() (vendor/symfony/event-dispatcher/EventDispatcher.php:220) at Symfony\Component\EventDispatcher\EventDispatcher->callListeners() (vendor/symfony/event-dispatcher/EventDispatcher.php:56) at Symfony\Component\EventDispatcher\EventDispatcher->dispatch() (vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php:139) at Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch() (vendor/symfony/http-kernel/HttpKernel.php:157) at Symfony\Component\HttpKernel\HttpKernel->handleRaw() (vendor/symfony/http-kernel/HttpKernel.php:76) at Symfony\Component\HttpKernel\HttpKernel->handle() (vendor/symfony/http-kernel/Kernel.php:197) at Symfony\Component\HttpKernel\Kernel->handle() (vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php:35) at Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run() (vendor/autoload_runtime.php:29) at require_once('/var/www/html/whistlesandbells/vendor/autoload_runtime.php') (public/index.php:5)

RuntimeException

RuntimeException:
Failed to start the session because headers have already been sent by "/var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/IsGrantedListener.php" at line 33.

  at vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php:132
  at Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start()
     (vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php:311)
  at Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->getBag()
     (vendor/symfony/http-foundation/Session/Session.php:222)
  at Symfony\Component\HttpFoundation\Session\Session->getBag()
     (vendor/symfony/http-foundation/Session/Session.php:242)
  at Symfony\Component\HttpFoundation\Session\Session->getAttributeBag()
     (vendor/symfony/http-foundation/Session/Session.php:69)
  at Symfony\Component\HttpFoundation\Session\Session->get()
     (src/Services/ATSUtilitiesService.php:444)
  at App\Services\ATSUtilitiesService->getLanguageSelected()
     (src/EventListener/LocalListener.php:77)
  at App\EventListener\LocalListener->onKernelRequest()
     (vendor/symfony/event-dispatcher/Debug/WrappedListener.php:116)
  at Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke()
     (vendor/symfony/event-dispatcher/EventDispatcher.php:220)
  at Symfony\Component\EventDispatcher\EventDispatcher->callListeners()
     (vendor/symfony/event-dispatcher/EventDispatcher.php:56)
  at Symfony\Component\EventDispatcher\EventDispatcher->dispatch()
     (vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php:139)
  at Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch()
     (vendor/symfony/http-kernel/HttpKernel.php:157)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:76)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:197)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php:35)
  at Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run()
     (vendor/autoload_runtime.php:29)
  at require_once('/var/www/html/whistlesandbells/vendor/autoload_runtime.php')
     (public/index.php:5)

Symfony Exception

RuntimeException

HTTP 500 Internal Server Error

Failed to start the session because headers have already been sent by "/var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/IsGrantedListener.php" at line 33.

Exception

RuntimeException

Logs 1

Stack Trace