YII2的errorHandler.errorAction失效原因

<?phpreturn ['components' => ['errorHandler' => ['errorAction' => 'site/error',],]
];

这段配置存在错误，导致错误处理无法生效。为了解决这个问题，我们需要对配置进行优化。

代码查看：yii\web\ErrorHandler::renderException

<?phpprotected function renderException($exception){if (Yii::$app->has('response')) {$response = Yii::$app->getResponse();// reset parameters of response to avoid interference with partially created response data// in case the error occurred while sending the response.$response->isSent = false;$response->stream = null;$response->data = null;$response->content = null;} else {$response = new Response();}$resp