Doctrine orm syfmony2中的细枝返回空白
我的问题是我的控制器成功完成，但细枝/视图随后呈现空白。请求不返回html 我的控制器以以下内容结束：Doctrine orm syfmony2中的细枝返回空白,doctrine-orm,symfony,twig,Doctrine Orm,Symfony,Twig,我的问题是我的控制器成功完成，但细枝/视图随后呈现空白。请求不返回html 我的控制器以以下内容结束： $logger->info('Now sending song [' . $song->getId() . ' to twig'); return array('song'=>$song); } 由于我没有错误，很难找到问题所在。我只有monolog中的dev.log： [2011-10-04 07:41:03] app.INFO: Now sending
$logger->info('Now sending song [' . $song->getId() . ' to twig');
return array('song'=>$song);
}
[2011-10-04 07:41:03] app.INFO: Now sending song [672] to twig [] []
[2011-10-04 07:41:03] event.DEBUG: Notified event "kernel.view" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelView". [] []
[2011-10-04 07:41:03] event.DEBUG: Listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelView" stopped propagation of the event "kernel.view". [] []
[2011-10-04 07:41:03] event.DEBUG: Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ResponseListener::onKernelResponse". [] []
[2011-10-04 07:41:03] event.DEBUG: Notified event "kernel.response" to listener "Symfony\Bundle\SecurityBundle\EventListener\ResponseListener::onKernelResponse". [] []
[2011-10-04 07:41:03] event.DEBUG: Notified event "kernel.response" to listener "Symfony\Bridge\Monolog\Handler\FirePHPHandler::onKernelResponse". [] []
[2011-10-04 07:41:03] event.DEBUG: Notified event "kernel.response" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\CacheListener::onKernelResponse". [] []
[2011-10-04 07:41:03] event.DEBUG: Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ProfilerListener::onKernelResponse". [] []
[2011-10-04 07:41:03] event.DEBUG: Notified event "kernel.response" to listener "Symfony\Bundle\WebProfilerBundle\EventListener\WebDebugToolbarListener::onKernelResponse". [] []
$logger->info('Now sending song [' . $song->getId() . '] to twig');
$content = $this->renderView('MyPadBundle:Play:index.html.twig', array('song'=>$song));
$logger->info('content rendered');
return new Response($content);
[2011-10-04 09:42:52] app.INFO: Now sending song [189] to twig [] []
[2011-10-04 09:42:53] app.INFO: content rendered [] []
[2011-10-04 09:42:53] event.DEBUG: Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ResponseListener::onKernelResponse". [] []
[2011-10-04 09:42:53] event.DEBUG: Notified event "kernel.response" to listener "Symfony\Bundle\SecurityBundle\EventListener\ResponseListener::onKernelResponse". [] []
[2011-10-04 09:42:53] event.DEBUG: Notified event "kernel.response" to listener "Symfony\Bridge\Monolog\Handler\FirePHPHandler::onKernelResponse". [] []
[2011-10-04 09:42:53] event.DEBUG: Notified event "kernel.response" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\CacheListener::onKernelResponse". [] []
[2011-10-04 09:42:53] event.DEBUG: Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ProfilerListener::onKernelResponse". [] []
[2011-10-04 09:42:53] event.DEBUG: Notified event "kernel.response" to listener "Symfony\Bundle\WebProfilerBundle\EventListener\WebDebugToolbarListener::onKernelResponse". [] []
就像内核无法返回响应一样？我不知道出了什么问题，但这确实解决了问题：
$logger->info('Now sending song [' . $song->getId() . '] to twig');
$em->clear();
return array('song'=>$song);