Warning: session_name(): Session name cannot be changed after headers have already been sent in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/vendor/joomla/session/src/Storage/NativeStorage.php on line 405
The MySQLi extension is not available (500 Whoops, looks like something went wrong.)

RuntimeException UnsupportedAdapterException

HTTP 500 Whoops, looks like something went wrong.

The MySQLi extension is not available

Exceptions 2

Joomla\Database\Exception\ UnsupportedAdapterException

in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php (line 202)
  1.         }
  3.         // Make sure the MySQLi extension for PHP is installed and enabled.
  4.         if (!static::isSupported())
  5.         {
  6.             throw new UnsupportedAdapterException('The MySQLi extension is not available');
  7.         }
  9.         /*
  10.          * Unlike mysql_connect(), mysqli_connect() takes the port and socket as separate arguments. Therefore, we
  11.          * have to extract them from the host string.
in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/vendor/joomla/database/src/DatabaseDriver.php -> connect (line 1866)
  1.      * @since   1.0
  2.      * @throws  \InvalidArgumentException
  3.      */
  4.     public function setQuery($query, $offset = 0, $limit = 0)
  5.     {
  6.         $this->connect();
  8.         $this->freeResult();
  10.         if (\is_string($query))
  11.         {
DatabaseDriver->setQuery(object(MysqliQuery)) in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Menu/SiteMenu.php (line 166)
  1.                 )
  2.                 ->bind(':currentDate2', $currentDate)
  3.                 ->order($this->db->quoteName('m.lft'));
  5.             $items    = [];
  6.             $iterator = $this->db->setQuery($query)->getIterator();
  8.             foreach ($iterator as $item) {
  9.                 $items[$item->id] = new MenuItem((array) $item);
  10.             }
SiteMenu->Joomla\CMS\Menu\{closure}() in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Cache/Controller/CallbackController.php (line 51)
  1.             $referenceArgs = &$args;
  2.         }
  4.         // Just execute the callback if caching is disabled.
  5.         if (empty($this->options['caching'])) {
  6.             return \call_user_func_array($callback, $referenceArgs);
  7.         }
  9.         if (!$id) {
  10.             // Generate an ID
  11.             $id = $this->_makeId($callback, $args);
CallbackController->get(object(Closure), array(), 'd17e8e13b99b4d9bf23a7d0b83a466c3', false) in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Menu/SiteMenu.php (line 179)
  2.         try {
  3.             /** @var CallbackController $cache */
  4.             $cache = $this->getCacheControllerFactory()->createCacheController('callback', ['defaultgroup' => 'com_menus']);
  6.             $this->items = $cache->get($loader, [], md5(\get_class($this)), false);
  7.         } catch (CacheExceptionInterface $e) {
  8.             try {
  9.                 $this->items = $loader();
  10.             } catch (ExecutionFailureException $databaseException) {
  11.                 $this->app->enqueueMessage(Text::sprintf('JERROR_LOADING_MENUS', $databaseException->getMessage()), 'warning');
SiteMenu->load() in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Menu/AbstractMenu.php (line 333)
  1.      * @since   1.5
  2.      */
  3.     public function getMenu()
  4.     {
  5.         if (!$this->itemsLoaded) {
  6.             $this->load();
  8.             foreach ($this->items as $item) {
  9.                 if ($item->home) {
  10.                     $this->default[trim($item->language)] = $item->id;
  11.                 }
AbstractMenu->getMenu() in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Menu/AbstractMenu.php (line 164)
  1.      */
  2.     public function getItem($id)
  3.     {
  4.         $result = null;
  6.         if (isset($this->getMenu()[$id])) {
  7.             $result = &$this->getMenu()[$id];
  8.         }
  10.         return $result;
  11.     }
AbstractMenu->getItem(null) in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Application/SiteApplication.php (line 422)
  1.         // Get the id of the active menu item
  2.         $menu = $this->getMenu();
  3.         $item = $menu->getActive();
  5.         if (!$item) {
  6.             $item = $menu->getItem($this->input->getInt('Itemid', null));
  7.         }
  9.         $id = 0;
  11.         if (\is_object($item)) {
SiteApplication->getTemplate(true) in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Error/Renderer/HtmlRenderer.php (line 50)
  1.     public function render(\Throwable $error): string
  2.     {
  3.         $app = Factory::getApplication();
  5.         // Get the current template from the application
  6.         $template = $app->getTemplate(true);
  8.         // Push the error object into the document
  9.         $this->getDocument()->setError($error);
  11.         // Add registry file for the template asset
HtmlRenderer->render(object(RuntimeException)) in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Exception/ExceptionHandler.php (line 126)
  2.             // Reset the document object in the factory, this gives us a clean slate and lets everything render properly
  3.             Factory::$document = $renderer->getDocument();
  4.             Factory::getApplication()->loadDocument(Factory::$document);
  6.             $data = $renderer->render($error);
  8.             // If nothing was rendered, just use the message from the Exception
  9.             if (empty($data)) {
  10.                 $data = $error->getMessage();
  11.             }
ExceptionHandler::render(object(RuntimeException)) in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Exception/ExceptionHandler.php (line 72)
  1.      * @since   3.10.0
  2.      */
  3.     public static function handleException(\Throwable $error)
  4.     {
  5.         static::logException($error);
  6.         static::render($error);
  7.     }
  9.     /**
  10.      * Render the error page based on an exception.
  11.      *
ExceptionHandler::handleException(object(RuntimeException)) in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Application/CMSApplication.php (line 322)
  1.             );
  3.             // Trigger the onError event.
  4.             $this->triggerEvent('onError', $event);
  6.             ExceptionHandler::handleException($event->getError());
  7.         }
  9.         // Trigger the onBeforeRespond event.
  10.         $this->getDispatcher()->dispatch('onBeforeRespond');
CMSApplication->execute() in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/includes/app.php (line 61)
  2. // Set the application as global app
  3. \Joomla\CMS\Factory::$application = $app;
  5. // Execute the application.
  6. $app->execute();
require_once('/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/includes/app.php') in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/index.php (line 109)
  1.  * define() is used rather than "const" to not error for PHP 5.2 and lower
  2.  */
  3. define('_JEXEC', 1);
  5. // Run the application - All executable code should be triggered through this file
  6. require_once dirname(__FILE__) . '/includes/app.php';

RuntimeException

Failed to start the session because headers have already been sent by "/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/index.php" at line 77.

in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/vendor/joomla/session/src/Storage/NativeStorage.php (line 473)
  1.             throw new \RuntimeException('Failed to start the session: already started by PHP.');
  2.         }
  4.         if (ini_get('session.use_cookies') && headers_sent($file, $line))
  5.         {
  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 /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Session/Storage/JoomlaStorage.php (line 295)
  1.                 $this->setId($session_clean);
  2.                 $cookie->set($session_name, '', time() - 3600);
  3.             }
  4.         }
  6.         parent::start();
  8.         // Try loading data from the session
  9.         if (isset($_SESSION['joomla']) && !empty($_SESSION['joomla'])) {
  10.             $this->data = unserialize(base64_decode($_SESSION['joomla']));
  11.         }
in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/vendor/joomla/session/src/Session.php -> start (line 406)
  1.         if ($this->isStarted())
  2.         {
  3.             return;
  4.         }
  6.         $this->store->start();
  8.         $this->setState(SessionState::ACTIVE);
  10.         // Initialise the session
  11.         $this->setCounter();
in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/vendor/joomla/session/src/Session.php -> start (line 333)
  1.      */
  2.     public function has($name)
  3.     {
  4.         if (!$this->isActive())
  5.         {
  6.             $this->start();
  7.         }
  9.         return $this->store->has($name);
  10.     }
Session->has('user') in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/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 5
  8.             return parent::get($name, $default);
  9.         }
  11.         /*
Session->get('user') in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Factory.php (line 372)
  1.                 __CLASS__
  2.             ),
  3.             E_USER_DEPRECATED
  4.         );
  6.         $instance = self::getApplication()->getSession()->get('user');
  8.         if (\is_null($id)) {
  9.             if (!($instance instanceof User)) {
  10.                 $instance = User::getInstance();
  11.             }
Factory::getUser() in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Application/SiteApplication.php (line 562)
  1.      *
  2.      * @since   3.2
  3.      */
  4.     protected function initialiseApp($options = [])
  5.     {
  6.         $user = Factory::getUser();
  8.         // If the user is a guest we populate it with the guest user group.
  9.         if ($user->guest) {
  10.             $guestUsergroup = ComponentHelper::getParams('com_users')->get('guest_usergroup', 1);
  11.             $user->groups   = [$guestUsergroup];
SiteApplication->initialiseApp() in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Application/SiteApplication.php (line 226)
  1.      * @since   3.2
  2.      */
  3.     protected function doExecute()
  4.     {
  5.         // Initialise the application
  6.         $this->initialiseApp();
  8.         // Mark afterInitialise in the profiler.
  9.         JDEBUG ? $this->profiler->mark('afterInitialise') : null;
  11.         // Route the application
SiteApplication->doExecute() in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Application/CMSApplication.php (line 293)
  1.             $this->sanityCheckSystemVariables();
  2.             $this->setupLogging();
  3.             $this->createExtensionNamespaceMap();
  5.             // Perform application routines.
  6.             $this->doExecute();
  8.             // If we have an application document object, render it.
  9.             if ($this->document instanceof \Joomla\CMS\Document\Document) {
  10.                 // Render the application output.
  11.                 $this->render();
CMSApplication->execute() in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/includes/app.php (line 61)
  2. // Set the application as global app
  3. \Joomla\CMS\Factory::$application = $app;
  5. // Execute the application.
  6. $app->execute();
require_once('/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/includes/app.php') in /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/index.php (line 109)
  1.  * define() is used rather than "const" to not error for PHP 5.2 and lower
  2.  */
  3. define('_JEXEC', 1);
  5. // Run the application - All executable code should be triggered through this file
  6. require_once dirname(__FILE__) . '/includes/app.php';

Stack Traces 2

[2/2] UnsupportedAdapterException 
Joomla\Database\Exception\UnsupportedAdapterException:
The MySQLi extension is not available

  at /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:202
  at Joomla\Database\Mysqli\MysqliDriver->connect()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/vendor/joomla/database/src/DatabaseDriver.php:1866)
  at Joomla\Database\DatabaseDriver->setQuery(object(MysqliQuery))
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Menu/SiteMenu.php:166)
  at Joomla\CMS\Menu\SiteMenu->Joomla\CMS\Menu\{closure}()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Cache/Controller/CallbackController.php:51)
  at Joomla\CMS\Cache\Controller\CallbackController->get(object(Closure), array(), 'd17e8e13b99b4d9bf23a7d0b83a466c3', false)
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Menu/SiteMenu.php:179)
  at Joomla\CMS\Menu\SiteMenu->load()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Menu/AbstractMenu.php:333)
  at Joomla\CMS\Menu\AbstractMenu->getMenu()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Menu/AbstractMenu.php:164)
  at Joomla\CMS\Menu\AbstractMenu->getItem(null)
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Application/SiteApplication.php:422)
  at Joomla\CMS\Application\SiteApplication->getTemplate(true)
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Error/Renderer/HtmlRenderer.php:50)
  at Joomla\CMS\Error\Renderer\HtmlRenderer->render(object(RuntimeException))
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Exception/ExceptionHandler.php:126)
  at Joomla\CMS\Exception\ExceptionHandler::render(object(RuntimeException))
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Exception/ExceptionHandler.php:72)
  at Joomla\CMS\Exception\ExceptionHandler::handleException(object(RuntimeException))
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Application/CMSApplication.php:322)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/includes/app.php:61)
  at require_once('/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/includes/app.php')
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/index.php:109)
[1/2] RuntimeException 
RuntimeException:
Failed to start the session because headers have already been sent by "/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/index.php" at line 77.

  at /pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/vendor/joomla/session/src/Storage/NativeStorage.php:473
  at Joomla\Session\Storage\NativeStorage->start()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Session/Storage/JoomlaStorage.php:295)
  at Joomla\CMS\Session\Storage\JoomlaStorage->start()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/vendor/joomla/session/src/Session.php:406)
  at Joomla\Session\Session->start()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/vendor/joomla/session/src/Session.php:333)
  at Joomla\Session\Session->has('user')
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Session/Session.php:194)
  at Joomla\CMS\Session\Session->get('user')
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Factory.php:372)
  at Joomla\CMS\Factory::getUser()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Application/SiteApplication.php:562)
  at Joomla\CMS\Application\SiteApplication->initialiseApp()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Application/SiteApplication.php:226)
  at Joomla\CMS\Application\SiteApplication->doExecute()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/libraries/src/Application/CMSApplication.php:293)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/includes/app.php:61)
  at require_once('/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/includes/app.php')
     (/pages/46/3e/d0010567/home/htdocs/cdu-kv-birkenfeld/index.php:109)