simplified errorhandler registration.

framework/base/Application.php

@@ -184,9 +184,10 @@ abstract class Application extends Module
 
         $this->state = self::STATE_BEGIN;
 
-        $this->registerErrorHandler($config);
         $this->preInit($config);
 
+        $this->registerErrorHandler($config);
+
         Component::__construct($config);
     }
 
@@ -309,14 +310,6 @@ abstract class Application extends Module
                 echo "Error: no errorHandler component is configured.\n";
                 exit(1);
             }
-            // allow using ErrorHandler from the app namespace
-            if (strncmp($config['components']['errorHandler']['class'], 'app\\', 4) === 0) {
-                if (isset($config['basePath'])) {
-                    Yii::setAlias('@app', $config['basePath']);
-                } else {
-                    throw new InvalidConfigException('The "basePath" configuration for the Application is required.');
-                }
-            }
             $this->set('errorHandler', $config['components']['errorHandler']);
             unset($config['components']['errorHandler']);
             $this->getErrorHandler()->register();

framework/console/Application.php

@@ -187,17 +187,7 @@ class Application extends \yii\base\Application
         return array_merge(parent::coreComponents(), [
             'request' => ['class' => 'yii\console\Request'],
             'response' => ['class' => 'yii\console\Response'],
+            'errorHandler' => ['class' => 'yii\web\ErrorHandler'],
         ]);
     }
-
-    /**
-     * Registers the errorHandler component as a PHP error handler.
-     */
-    protected function registerErrorHandler(&$config)
-    {
-        if (!isset($config['components']['errorHandler']['class'])) {
-            $config['components']['errorHandler']['class'] = 'yii\\console\\ErrorHandler';
-        }
-        parent::registerErrorHandler($config);
-    }
 }

framework/web/Application.php

@@ -149,17 +149,7 @@ class Application extends \yii\base\Application
             'response' => ['class' => 'yii\web\Response'],
             'session' => ['class' => 'yii\web\Session'],
             'user' => ['class' => 'yii\web\User'],
+            'errorHandler' => ['class' => 'yii\web\ErrorHandler'],
         ]);
     }
-
-    /**
-     * Registers the errorHandler component as a PHP error handler.
-     */
-    protected function registerErrorHandler(&$config)
-    {
-        if (!isset($config['components']['errorHandler']['class'])) {
-            $config['components']['errorHandler']['class'] = 'yii\\web\\ErrorHandler';
-        }
-        parent::registerErrorHandler($config);
-    }
 }