If an exception is occured during a model saving then the model is questionable left in the serialized state (_serializeFields is called, but unserializeFields is not called)

dmitry_fedyuk (Dmitrii Fediuk) December 6, 2015, 10:07pm 1

https://github.com/magento/magento2/blob/2.0.0/lib/internal/Magento/Framework/Model/ResourceModel/Db/AbstractDb.php#L397-L409

See the lines

https://github.com/magento/magento2/blob/2.0.0/lib/internal/Magento/Framework/Model/ResourceModel/Db/AbstractDb.php#L398-L398

and

https://github.com/magento/magento2/blob/2.0.0/lib/internal/Magento/Framework/Model/ResourceModel/Db/AbstractDb.php#L407-L407

https://github.com/magento/magento2/issues/2620

If an exception is occured during a model saving then the model could be questionable left in an inconsistent state (beforeSave is called, but afterSave is not called)

dmitry_fedyuk (Dmitrii Fediuk) December 6, 2015, 10:21pm 2

See also:

If an exception is occured during a model saving then the model could be questionable left in an inconsistent state (beforeSave is called, but afterSave is not called))