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Failed to start the session because headers have already been sent by "/var/www/vhosts/anstiftung.de/urbane-gaerten.de/index.php" at line 40. (500 Whoops, looks like something went wrong.)

RuntimeException RuntimeException

HTTP 500 Whoops, looks like something went wrong.

Failed to start the session because headers have already been sent by "/var/www/vhosts/anstiftung.de/urbane-gaerten.de/index.php" at line 40.

Exceptions 2

RuntimeException

in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/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/anstiftung.de/urbane-gaerten.de/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/anstiftung.de/urbane-gaerten.de/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.         $this->setCounter();
in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/vendor/joomla/session/src/Session.php -> start (line 327)
  1.      * @since   1.0
  2.      */
  3.     public function has($name)
  4.     {
  5.         if (!$this->isActive()) {
  6.             $this->start();
  7.         }
  9.         return $this->store->has($name);
  10.     }
Session->has() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/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/anstiftung.de/urbane-gaerten.de/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 /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/Renderer/Html/ModulesRenderer.php (line 46)
  1.     {
  2.         $renderer = $this->_doc->loadRenderer('module');
  3.         $buffer   = '';
  5.         $app          = Factory::getApplication();
  6.         $user         = Factory::getUser();
  7.         $frontediting = ($app->isClient('site') && $app->get('frontediting', 1) && !$user->guest);
  8.         $menusEditing = ($app->get('frontediting', 1) == 2) && $user->authorise('core.edit', 'com_menus');
  10.         foreach (ModuleHelper::getModules($position) as $mod) {
  11.             $moduleHtml = $renderer->render($mod, $params, $content);
ModulesRenderer->render() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/HtmlDocument.php (line 578)
  2.             $cbuffer[$hash] = $tmpdata;
  4.             $cache->store($cbuffer, 'cbuffer_' . $type);
  5.         } else {
  6.             $this->setBuffer($renderer->render($name, $attribs, null), $type, $name, $title);
  7.         }
  9.         return parent::$_buffer[$type][$name][$title];
  10.     }
HtmlDocument->getBuffer() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/templates/elegant/error.php (line 119)
  2.         <section class="footer">
  3.             <div class="container">
  4.                 <div class="row-table cell-top visible-lg visible-sm">
  5.                     <div class="col-cell">
  6.                         <?php echo $doc->getBuffer('modules', 'footer-1', array('style' => 'footer')); ?>
  7.                     </div>
  9.                     <div class="col-cell cell-tight">
  10.                         <?php echo $doc->getBuffer('modules', 'footer-2', array('style' => 'footer')); ?>
  11.                     </div>
require('/var/www/vhosts/anstiftung.de/urbane-gaerten.de/templates/elegant/error.php') in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/HtmlDocument.php (line 734)
  1.             // Store the file path
  2.             $this->_file = $directory . '/' . $filename;
  4.             // Get the file content
  5.             ob_start();
  6.             require $directory . '/' . $filename;
  7.             $contents = ob_get_clean();
  8.         }
  10.         return $contents;
  11.     }
HtmlDocument->_loadTemplate() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/HtmlDocument.php (line 788)
  1.         $this->baseurl  = Uri::base(true);
  2.         $this->params   = $params['params'] ?? new Registry();
  3.         $this->template = $template;
  5.         // Load
  6.         $this->_template = $this->_loadTemplate($baseDir, $file);
  8.         return $this;
  9.     }
  11.     /**
HtmlDocument->_fetchTemplate() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/HtmlDocument.php (line 625)
  1.      *
  2.      * @since   1.7.0
  3.      */
  4.     public function parse($params = [])
  5.     {
  6.         return $this->_fetchTemplate($params)->_parseTemplate();
  7.     }
  9.     /**
  10.      * Outputs the template to the browser.
  11.      *
HtmlDocument->parse() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/HtmlDocument.php (line 643)
  1.     public function render($caching = false, $params = [])
  2.     {
  3.         $this->_caching = $caching;
  5.         if (empty($this->_template)) {
  6.             $this->parse($params);
  7.         }
  9.         if (\array_key_exists('csp_nonce', $params) && $params['csp_nonce'] !== null) {
  10.             $this->cspNonce = $params['csp_nonce'];
  11.         }
HtmlDocument->render() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/ErrorDocument.php (line 139)
  1.         $this->debug = $params['debug'] ?? false;
  2.         $this->error = $this->_error;
  4.         $params['file'] = 'error.php';
  6.         return parent::render($cache, $params);
  7.     }
  9.     /**
  10.      * Render the backtrace
  11.      *
ErrorDocument->render() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Error/Renderer/HtmlRenderer.php (line 70)
  1.             ob_end_clean();
  2.         }
  4.         $this->getDocument()->setTitle(Text::_('Error') . ': ' . $error->getCode());
  6.         return $this->getDocument()->render(
  7.             false,
  8.             [
  9.                 'template'         => $template->template,
  10.                 'directory'        => JPATH_THEMES,
  11.                 'debug'            => JDEBUG,
HtmlRenderer->render() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Exception/ExceptionHandler.php (line 142)
  1.                     'subject'  => $app,
  2.                     'document' => $renderer->getDocument(),
  3.                 ])
  4.             );
  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() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Exception/ExceptionHandler.php (line 76)
  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() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Application/CMSApplication.php (line 334)
  1.             );
  3.             // Trigger the onError event.
  4.             $this->dispatchEvent('onError', $event);
  6.             ExceptionHandler::handleException($event->getError());
  7.         }
  9.         // Trigger the onBeforeRespond event.
  10.         $this->dispatchEvent(
  11.             'onBeforeRespond',
CMSApplication->execute() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/includes/app.php (line 58)
  2. // Set the application as global app
  3. \Joomla\CMS\Factory::$application = $app;
  5. // Execute the application.
  6. $app->execute();
require_once('/var/www/vhosts/anstiftung.de/urbane-gaerten.de/includes/app.php') in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/index.php (line 72)
  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 "/var/www/vhosts/anstiftung.de/urbane-gaerten.de/index.php" at line 40.

in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/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/anstiftung.de/urbane-gaerten.de/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/anstiftung.de/urbane-gaerten.de/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.         $this->setCounter();
in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/vendor/joomla/session/src/Session.php -> start (line 327)
  1.      * @since   1.0
  2.      */
  3.     public function has($name)
  4.     {
  5.         if (!$this->isActive()) {
  6.             $this->start();
  7.         }
  9.         return $this->store->has($name);
  10.     }
Session->has() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/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/anstiftung.de/urbane-gaerten.de/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.                 $instance = User::getInstance();
  11.             }
Factory::getUser() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Application/SiteApplication.php (line 565)
  1.      *
  2.      * @since   3.2
  3.      */
  4.     protected function initialiseApp($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 /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Application/SiteApplication.php (line 237)
  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 /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Application/CMSApplication.php (line 304)
  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.                 $this->render();
CMSApplication->execute() in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/includes/app.php (line 58)
  2. // Set the application as global app
  3. \Joomla\CMS\Factory::$application = $app;
  5. // Execute the application.
  6. $app->execute();
require_once('/var/www/vhosts/anstiftung.de/urbane-gaerten.de/includes/app.php') in /var/www/vhosts/anstiftung.de/urbane-gaerten.de/index.php (line 72)
  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] RuntimeException 
RuntimeException:
Failed to start the session because headers have already been sent by "/var/www/vhosts/anstiftung.de/urbane-gaerten.de/index.php" at line 40.

  at /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/vendor/joomla/session/src/Storage/NativeStorage.php:454
  at Joomla\Session\Storage\NativeStorage->start()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Session/Storage/JoomlaStorage.php:313)
  at Joomla\CMS\Session\Storage\JoomlaStorage->start()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/vendor/joomla/session/src/Session.php:396)
  at Joomla\Session\Session->start()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/vendor/joomla/session/src/Session.php:327)
  at Joomla\Session\Session->has()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Session/Session.php:194)
  at Joomla\CMS\Session\Session->get()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Factory.php:372)
  at Joomla\CMS\Factory::getUser()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/Renderer/Html/ModulesRenderer.php:46)
  at Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/HtmlDocument.php:578)
  at Joomla\CMS\Document\HtmlDocument->getBuffer()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/templates/elegant/error.php:119)
  at require('/var/www/vhosts/anstiftung.de/urbane-gaerten.de/templates/elegant/error.php')
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/HtmlDocument.php:734)
  at Joomla\CMS\Document\HtmlDocument->_loadTemplate()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/HtmlDocument.php:788)
  at Joomla\CMS\Document\HtmlDocument->_fetchTemplate()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/HtmlDocument.php:625)
  at Joomla\CMS\Document\HtmlDocument->parse()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/HtmlDocument.php:643)
  at Joomla\CMS\Document\HtmlDocument->render()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Document/ErrorDocument.php:139)
  at Joomla\CMS\Document\ErrorDocument->render()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Error/Renderer/HtmlRenderer.php:70)
  at Joomla\CMS\Error\Renderer\HtmlRenderer->render()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Exception/ExceptionHandler.php:142)
  at Joomla\CMS\Exception\ExceptionHandler::render()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Exception/ExceptionHandler.php:76)
  at Joomla\CMS\Exception\ExceptionHandler::handleException()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Application/CMSApplication.php:334)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/includes/app.php:58)
  at require_once('/var/www/vhosts/anstiftung.de/urbane-gaerten.de/includes/app.php')
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/index.php:72)
[1/2] RuntimeException 
RuntimeException:
Failed to start the session because headers have already been sent by "/var/www/vhosts/anstiftung.de/urbane-gaerten.de/index.php" at line 40.

  at /var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/vendor/joomla/session/src/Storage/NativeStorage.php:454
  at Joomla\Session\Storage\NativeStorage->start()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Session/Storage/JoomlaStorage.php:313)
  at Joomla\CMS\Session\Storage\JoomlaStorage->start()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/vendor/joomla/session/src/Session.php:396)
  at Joomla\Session\Session->start()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/vendor/joomla/session/src/Session.php:327)
  at Joomla\Session\Session->has()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Session/Session.php:194)
  at Joomla\CMS\Session\Session->get()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Factory.php:372)
  at Joomla\CMS\Factory::getUser()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Application/SiteApplication.php:565)
  at Joomla\CMS\Application\SiteApplication->initialiseApp()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Application/SiteApplication.php:237)
  at Joomla\CMS\Application\SiteApplication->doExecute()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/libraries/src/Application/CMSApplication.php:304)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/includes/app.php:58)
  at require_once('/var/www/vhosts/anstiftung.de/urbane-gaerten.de/includes/app.php')
     (/var/www/vhosts/anstiftung.de/urbane-gaerten.de/index.php:72)