title: custom error handler for controller,yii2
body: <p>I have a controller "front" and I want only for this controller to use a custom error action.
  How can I do this? I tried <a href="http://www.codevoila.com/post/24/how-to-use-yii2-error-handler" rel="nofollow noreferrer">this</a> but it does not seems to work</p>