symfony set dev to prod : http://symfony.com/doc/current/cookbook/deployment/tools.html#d-clear-your-symfony-cache symfony switch back to dev :
composer install --dev --optimize-autoloader
./app/console cache:clear
./app/console router:debug
symfony set dev to prod : http://symfony.com/doc/current/cookbook/deployment/tools.html#d-clear-your-symfony-cache symfony switch back to dev :
composer install --dev --optimize-autoloader
./app/console cache:clear
./app/console router:debug