Merge branch '3.4' into 4.1

* 3.4:
  Fix console error event

Author: javiereguiluz

components/console/events.rst

@@ -94,6 +94,17 @@ event listeners, the ``ConsoleEvents::ERROR`` event is dispatched. A listener
 can wrap or change the exception or do anything useful before the exception is
 thrown by the application.
 
+The ``ConsoleEvents::ERROR`` Event
+----------------------------------
+
+**Typical Purposes**: Handle exceptions thrown during the execution of a
+command.
+
+Whenever an exception is thrown by a command, including those triggered from
+event listeners, the ``ConsoleEvents::ERROR`` event is dispatched. A listener
+can wrap or change the exception or do anything useful before the exception is
+thrown by the application.
+
 Listeners receive a
 :class:`Symfony\\Component\\Console\\Event\\ConsoleErrorEvent` event::
 
@@ -111,7 +122,7 @@ Listeners receive a
         $exitCode = $event->getExitCode();
 
         // changes the exception to another one
-        $event->setException(new \LogicException('Caught exception', $exitCode, $event->getError()));
+        $event->setError(new \LogicException('Caught exception', $exitCode, $event->getError()));
     });
 
 The ``ConsoleEvents::TERMINATE`` Event