Exception detected!

Impossible to access an attribute ("title") on a null variable in TopxiaWebBundle:Course:archiveCourse.html.twig at line 3.

500 Internal Server Error - Twig_Error_Runtime

Stack Trace

  1. in app/cache/dev/Turing/classes.php at line 5078  -
    1. } else {
    2. $message sprintf('Impossible to access an attribute ("%s") on a %s variable ("%s").'$itemgettype($object), $object);
    3. }
    4. throw new Twig_Error_Runtime($message, -1$this->getTemplateName());
    5. }
    6. }
    7. if (!is_object($object)) {
  2. at Twig_Template ->getAttribute (null, 'title', array())
    in app/cache/dev/Turing/twig/ca/ca17729b76ba8ecaec40d92550623146a4a52bfc3635c61586636f77f04128c5.php at line 42  +
  3. at __TwigTemplate_1b3c06b5fd85641165d817e35362d0be20e87bbdcf35dfb9b7efef240103dc52 ->block_title ('r', 'S')
    in app/cache/dev/Turing/classes.php at line 4921  +
  4. at Twig_Template ->displayBlock ('r', 'S')
    in app/cache/dev/Turing/twig/29/29aeb259db6bf28b802099519b07e0c118a58205e20bee4d987c5b4a83d6c753.php at line 56  +
  5. at __TwigTemplate_984c2102bc67fc09205308a0b7dc40d8f8a352740aadff68e756d12f03fef38f ->doDisplay ('r', 'S')
    in app/cache/dev/Turing/classes.php at line 5013  +
  6. at Twig_Template ->displayWithErrorHandling ('r', 'S')
    in app/cache/dev/Turing/classes.php at line 4989  +
  7. at Twig_Template ->display ('r', 'S')
    in app/cache/dev/Turing/twig/ca/ca17729b76ba8ecaec40d92550623146a4a52bfc3635c61586636f77f04128c5.php at line 30  +
  8. at __TwigTemplate_1b3c06b5fd85641165d817e35362d0be20e87bbdcf35dfb9b7efef240103dc52 ->doDisplay ('r', 'S')
    in app/cache/dev/Turing/classes.php at line 5013  +
  9. at Twig_Template ->displayWithErrorHandling ('r', 'S')
    in app/cache/dev/Turing/classes.php at line 4989  +
  10. at Twig_Template ->display (array('r', 'S'))
    in app/cache/dev/Turing/classes.php at line 4996  +
  11. at Twig_Template ->render (array('r', 'S'))
    in vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php at line 50  +
  12. at TwigEngine ->render ('TopxiaWebBundle:Course:archiveCourse.html.twig', array('r', 'S'))
    in vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/TwigEngine.php at line 72  +
  13. at TwigEngine ->render ('TopxiaWebBundle:Course:archiveCourse.html.twig', array('r', 'S'))
    in vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/TwigEngine.php at line 97  +
  14. at TwigEngine ->renderResponse ('r', 'S')
    in vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Controller/Controller.php at line 185  +
  15. at Controller ->render ('TopxiaWebBundle:Course:archiveCourse.html.twig', array('r', 'S'))
    in src/Topxia/WebBundle/Controller/CourseController.php at line 86  +
  16. at CourseController ->archiveCourseAction (object(Request), '98')
  17. at call_user_func_array (array(object(CourseController), 'archiveCourseAction'), array(object(Request), '98'))
    in vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php at line 144  +
  18. at HttpKernel ->handleRaw (object(Request), '1')
    in vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php at line 64  +
  19. at HttpKernel ->handle (object(Request), '1', true)
    in vendor/symfony/symfony/src/Symfony/Component/HttpKernel/DependencyInjection/ContainerAwareHttpKernel.php at line 69  +
  20. at ContainerAwareHttpKernel ->handle (object(Request), '1', true)
    in vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php at line 185  +
  21. at Kernel ->handle (object(Request))
    in web/app.php at line 38  +

Logs  -

1 error
  1. INFO - Matched route "course_archive_show".
  2. INFO - Populated the TokenStorage with an anonymous Token.
  3. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure".
  4. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ProfilerListener::onKernelRequest".
  5. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest".
  6. DEBUG - Notified event "kernel.request" to listener "Topxia\WebBundle\Listener\KernelRequestListener::onKernelRequest".
  7. DEBUG - Notified event "kernel.request" to listener "Symfony\Bundle\FrameworkBundle\EventListener\SessionListener::onKernelRequest".
  8. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\FragmentListener::onKernelRequest".
  9. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest".
  10. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest".
  11. DEBUG - Notified event "kernel.request" to listener "Topxia\WebBundle\Listener\LocaleListener::onKernelRequest".
  12. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\TranslatorListener::onKernelRequest".
  13. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\Security\Http\Firewall::onKernelRequest".
  14. DEBUG - Notified event "kernel.request" to listener "Topxia\WebBundle\Listener\UserLoginTokenListener::onGetUserLoginListener".
  15. DEBUG - Notified event "kernel.controller" to listener "Permission\Listener\KernelControllerListener::onKernelController".
  16. DEBUG - Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController".
  17. DEBUG - Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController".
  18. DEBUG - Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController".
  19. DEBUG - Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController".
  20. DEBUG - Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController".
  21. DEBUG - Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::onKernelController".
  22. DEBUG - Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController".
  23. CRITICAL - Uncaught PHP Exception Twig_Error_Runtime: "Impossible to access an attribute ("title") on a null variable in "TopxiaWebBundle:Course:archiveCourse.html.twig" at line 3." at /var/www/fen/yanjiang.zgtbjy.com/app/cache/dev/Turing/classes.php line 5078
  24. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure".
  25. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ProfilerListener::onKernelRequest".
  26. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest".
  27. DEBUG - Notified event "kernel.request" to listener "Topxia\WebBundle\Listener\KernelRequestListener::onKernelRequest".
  28. DEBUG - Notified event "kernel.request" to listener "Symfony\Bundle\FrameworkBundle\EventListener\SessionListener::onKernelRequest".
  29. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\FragmentListener::onKernelRequest".
  30. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest".
  31. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest".
  32. DEBUG - Notified event "kernel.request" to listener "Topxia\WebBundle\Listener\LocaleListener::onKernelRequest".
  33. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\TranslatorListener::onKernelRequest".
  34. DEBUG - Notified event "kernel.request" to listener "Symfony\Component\Security\Http\Firewall::onKernelRequest".
  35. DEBUG - Notified event "kernel.request" to listener "Topxia\WebBundle\Listener\UserLoginTokenListener::onGetUserLoginListener".
  36. DEBUG - Notified event "kernel.controller" to listener "Permission\Listener\KernelControllerListener::onKernelController".
  37. DEBUG - Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController".
  38. DEBUG - Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController".
  39. DEBUG - Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController".
  40. DEBUG - Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController".
  41. DEBUG - Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController".
  42. DEBUG - Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::onKernelController".
  43. DEBUG - Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController".

Stack Trace (Plain Text)  +