MAGETWO-75452: [Backport] - Fix Issue: “Asymmetric transaction rollback error” if commit callbacks throw exceptions #9955 - for 2.2

Author: omiroshnichenko

lib/internal/Magento/Framework/Model/ResourceModel/AbstractResource.php

@@ -9,6 +9,7 @@
 use Magento\Framework\DataObject;
 use Magento\Framework\Model\CallbackPool;
 use Magento\Framework\Serialize\Serializer\Json;
+use Psr\Log\LoggerInterface;
 
 /**
  * Abstract resource model
@@ -24,9 +25,9 @@ abstract class AbstractResource
     protected $serializer;
 
     /**
-     * @var \Psr\Log\LoggerInterface
+     * @var LoggerInterface
      */
-    protected $_logger;
+    private $logger;
 
     /**
      * Constructor
@@ -261,15 +262,15 @@ protected function getSerializer()
     /**
      * Get logger
      *
-     * @return \Psr\Log\LoggerInterface
+     * @return LoggerInterface
      * @deprecated 100.2.0
      * @since 100.2.0
      */
     private function getLogger()
     {
-        if (null === $this->_logger) {
-            $this->_logger = ObjectManager::getInstance()->get(\Psr\Log\LoggerInterface::class);
+        if (null === $this->logger) {
+            $this->logger = ObjectManager::getInstance()->get(LoggerInterface::class);
         }
-        return $this->_logger;
+        return $this->logger;
     }
 }