Fixed the XML and PHP config instead of the YAML config

Author: javiereguiluz

event_dispatcher.rst

@@ -77,8 +77,7 @@ using a special "tag":
 
         # app/config/services.yml
         services:
-            app.exception_listener:
-                class: AppBundle\EventListener\ExceptionListener:
+            AppBundle\EventListener\ExceptionListener:
                 tags:
                     - { name: kernel.event_listener, event: kernel.exception }
 
@@ -92,9 +91,7 @@ using a special "tag":
                 http://symfony.com/schema/dic/services/services-1.0.xsd">
 
             <services>
-                <service id="app.exception_listener"
-                    class="AppBundle\EventListener\ExceptionListener">
-
+                <service id="AppBundle\EventListener\ExceptionListener">
                     <tag name="kernel.event_listener" event="kernel.exception" />
                 </service>
             </services>
@@ -106,7 +103,7 @@ using a special "tag":
         use AppBundle\EventListener\ExceptionListener;
 
         $container
-            ->register('app.exception_listener', ExceptionListener::class)
+            ->autowire(ExceptionListener::class)
             ->addTag('kernel.event_listener', array('event' => 'kernel.exception'))
         ;