Switch to Symfony 3 structure

app/config/config.yml

@@ -21,7 +21,8 @@ framework:
     trusted_proxies: ~
     session:
         # handler_id set to null will use default session handler from php.ini
-        handler_id:  ~
+        handler_id:  session.handler.native_file
+        save_path:   "%kernel.root_dir%/../var/sessions/%kernel.environment%"
     fragments:       ~
     http_method_override: true
 

app/config/config_dev.yml

@@ -17,13 +17,14 @@ monolog:
             type:   stream
             path:   "%kernel.logs_dir%/%kernel.environment%.log"
             level:  debug
+            channels: [!event]
         console:
             type:   console
             bubble: false
             verbosity_levels:
                 VERBOSITY_VERBOSE: INFO
                 VERBOSITY_VERY_VERBOSE: DEBUG
-            channels: ["!doctrine"]
+            channels: [!event, !doctrine]
         console_very_verbose:
             type:   console
             bubble: false
@@ -31,7 +32,7 @@ monolog:
                 VERBOSITY_VERBOSE: NOTICE
                 VERBOSITY_VERY_VERBOSE: NOTICE
                 VERBOSITY_DEBUG: DEBUG
-            channels: ["doctrine"]
+            channels: [doctrine]
 
 assetic:
     use_controller: true