Deprecated: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/vhosts/praxistage.org/praxistage.org/dev/plugins/system/jmgloginhashurl/jmgloginhashurl.php on line 111
Praxistage - Mag. Gerhard Pix (Huemer Group)
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Mag. Gerhard Pix (Huemer Group)
Mag. Gerhard Pix (Huemer Group)
Sicherer Zugriff und Schutz Ihrer Unternehmensdaten. Anforderungen und erfolgreiche Projektumsetzungen im Gesundheitswesen - Mag. Gerhard Pix (Huemer Group).
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Failed to start the session because headers have already been sent by "/var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/application/src/AbstractWebApplication.php" at line 404. (500 Whoops, looks like something went wrong.)

RuntimeException

HTTP 500 Whoops, looks like something went wrong.

Failed to start the session because headers have already been sent by "/var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/application/src/AbstractWebApplication.php" at line 404.

Exception

RuntimeException

in /var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/session/src/Storage/NativeStorage.php (line 454)
  1. if ($this->isActive()) {
  2. throw new \RuntimeException('Failed to start the session: already started by PHP.');
  3. }
  5. if (ini_get('session.use_cookies') && headers_sent($file, $line)) {
  6. throw new \RuntimeException(
  7. sprintf('Failed to start the session because headers have already been sent by "%s" at line %d.', $file, $line)
  8. );
  9. }
  11. if (!session_start()) {
NativeStorage->start() in /var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/src/Session/Storage/JoomlaStorage.php (line 313)
  1. $this->setId($session_clean);
  2. $cookie->set($session_name, '', ['expires' => time() - 3600 ]);
  3. }
  4. }
  6. parent::start();
  8. // Try loading data from the session
  9. if (!empty($_SESSION['joomla'])) {
  10. $this->data = unserialize(base64_decode($_SESSION['joomla']));
  11. }
in /var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/session/src/Session.php -> start (line 396)
  1. {
  2. if ($this->isStarted()) {
  3. return;
  4. }
  6. $this->store->start();
  8. $this->setState(SessionState::ACTIVE);
  10. // Initialise the session
  11. $this->setCounter();
in /var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/session/src/Session.php -> start (line 327)
  1. * @since 1.0
  2. */
  3. public function has($name)
  4. {
  5. if (!$this->isActive()) {
  6. $this->start();
  7. }
  9. return $this->store->has($name);
  10. }
Session->has() in /var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/src/Session/Session.php (line 194)
  2. $name = $args[2] . '.' . $name;
  3. }
  4. }
  6. if (parent::has($name)) {
  7. // Parent is used because of b/c, can be changed in Joomla 6
  8. return parent::get($name, $default);
  9. }
  11. /*
Session->get() in /var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/src/Application/CMSApplication.php (line 611)
  1. */
  2. public function getMessageQueue($clear = false)
  3. {
  4. // For empty queue, if messages exists in the session, enqueue them.
  5. if (!\count($this->messageQueue)) {
  6. $sessionQueue = $this->getSession()->get('application.queue', []);
  8. if ($sessionQueue) {
  9. $this->messageQueue = $sessionQueue;
  10. $this->getSession()->set('application.queue', []);
  11. }
CMSApplication->getMessageQueue() in /var/www/vhosts/praxistage.org/praxistage.org/dev/plugins/system/speedcache/src/Extension/Speedcache.php (line 1070)
  1. }
  3. if ($this->app->isClient('administrator') ||
  4. $this->app->input->getMethod() !== 'GET' ||
  5. $this->app->get('offline', '0') ||
  6. count($this->app->getMessageQueue()) ||
  7. $this->checkRequest()) {
  8. return;
  9. }
  11. // Get page information
in /var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/event/src/Dispatcher.php -> onAfterRespondSpeedcache (line 454)
  1. foreach ($this->listeners[$event->getName()] as $listener) {
  2. if ($event->isStopped()) {
  3. return $event;
  4. }
  6. $listener($event);
  7. }
  8. }
  10. return $event;
  11. }
in /var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/application/src/AbstractApplication.php -> dispatch (line 99)
  1. $dispatcher = $this->getDispatcher();
  2. } catch (\UnexpectedValueException $exception) {
  3. return null;
  4. }
  6. return $dispatcher->dispatch($eventName, $event ?: new ApplicationEvent($eventName, $this));
  7. }
  9. /**
  10. * Method to run the application routines.
  11. *
AbstractApplication->dispatchEvent() in /var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/src/Application/CMSApplication.php (line 347)
  2. // Send the application response.
  3. $this->respond();
  5. // Trigger the onAfterRespond event.
  6. $this->dispatchEvent(
  7. 'onAfterRespond',
  8. new AfterRespondEvent('onAfterRespond', ['subject' => $this])
  9. );
  10. }
CMSApplication->execute() in /var/www/vhosts/praxistage.org/praxistage.org/dev/includes/app.php (line 58)
  2. // Set the application as global app
  3. \Joomla\CMS\Factory::$application = $app;
  5. // Execute the application.
  6. $app->execute();
require_once('/var/www/vhosts/praxistage.org/praxistage.org/dev/includes/app.php') in /var/www/vhosts/praxistage.org/praxistage.org/dev/index.php (line 51)
  1. // ... die
  2. die();
  3. }
  5. // Run the application - All executable code should be triggered through this file
  6. require_once __DIR__ . '/includes/app.php';

Stack Trace

RuntimeException 
RuntimeException:
Failed to start the session because headers have already been sent by "/var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/application/src/AbstractWebApplication.php" at line 404.

  at /var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/session/src/Storage/NativeStorage.php:454
  at Joomla\Session\Storage\NativeStorage->start()
     (/var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/src/Session/Storage/JoomlaStorage.php:313)
  at Joomla\CMS\Session\Storage\JoomlaStorage->start()
     (/var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/session/src/Session.php:396)
  at Joomla\Session\Session->start()
     (/var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/session/src/Session.php:327)
  at Joomla\Session\Session->has()
     (/var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/src/Session/Session.php:194)
  at Joomla\CMS\Session\Session->get()
     (/var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/src/Application/CMSApplication.php:611)
  at Joomla\CMS\Application\CMSApplication->getMessageQueue()
     (/var/www/vhosts/praxistage.org/praxistage.org/dev/plugins/system/speedcache/src/Extension/Speedcache.php:1070)
  at JoomUnited\Plugin\System\Speedcache\Extension\Speedcache->onAfterRespondSpeedcache()
     (/var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/event/src/Dispatcher.php:454)
  at Joomla\Event\Dispatcher->dispatch()
     (/var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/vendor/joomla/application/src/AbstractApplication.php:99)
  at Joomla\Application\AbstractApplication->dispatchEvent()
     (/var/www/vhosts/praxistage.org/praxistage.org/dev/libraries/src/Application/CMSApplication.php:347)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/var/www/vhosts/praxistage.org/praxistage.org/dev/includes/app.php:58)
  at require_once('/var/www/vhosts/praxistage.org/praxistage.org/dev/includes/app.php')
     (/var/www/vhosts/praxistage.org/praxistage.org/dev/index.php:51)