fixes #2739

framework/CHANGELOG.md

@@ -55,6 +55,7 @@ Yii Framework 2 Change Log
 - Bug #2653: Fixed the bug that unsetting an unpopulated AR relation would trigger exception (qiangxue)
 - Bug #2681: Fixed the bug of php build-in server https://bugs.php.net/bug.php?id=66606 (dizews)
 - Bug #2695: Fixed the issue that `FileValidator::isEmpty()` always returns true for validate multiple files (ZhandosKz)
+- Bug #2739: Fixed the issue that `CreateAction::run()` was using obsolete `Controller::createAbsoluteUrl()` method (tonydspaniard)
 - Bug #2740: Fixed the issue that `CaptchaAction::run()` was using obsolete `Controller::createUrl()` method (tonydspaniard)
 - Bug: Fixed `Call to a member function registerAssetFiles() on a non-object` in case of wrong `sourcePath` for an asset bundle (samdark)
 - Bug: Fixed incorrect event name for `yii\jui\Spinner` (samdark)

framework/rest/CreateAction.php

@@ -10,6 +10,7 @@ namespace yii\rest;
 use Yii;
 use yii\base\Model;
 use yii\db\ActiveRecord;
+use yii\helpers\Url;
 
 /**
  * CreateAction implements the API endpoint for creating a new model from the given data.
@@ -72,7 +73,7 @@ class CreateAction extends Action
 			$response = Yii::$app->getResponse();
 			$response->setStatusCode(201);
 			$id = implode(',', array_values($model->getPrimaryKey(true)));
-			$response->getHeaders()->set('Location', $this->controller->createAbsoluteUrl([$this->viewAction, 'id' => $id]));
+			$response->getHeaders()->set('Location', Url::toRoute([$this->viewAction, 'id' => $id], true));
 		}
 
 		return $model;