The MDVA-31519 Magento patch solves the issue where paid orders are missing and lock wait timeouts in guest checkout.
This patch is available when the Quality Patches Tool (QPT) 1.0.14 is installed. Please note that the issue is scheduled to be fixed in Magento version 2.4.3.
Affected products and versions
The patch is created for Magento version: Magento Commerce Cloud 2.3.5-p2
Compatible with Magento versions: Magento Commerce Cloud and Magento Commerce 2.3.5 - 2.3.5-p2
Note: the patch might become applicable to other versions with new QPT tool releases. To check if the patch is compatible with your Magento version, run ./vendor/bin/magento-patches status .
Issue
Steps to reproduce :
- Enable guest checkout.
- Create a cart price rule without a coupon (Example: "Free shipping above x amount").
- Place a large amount of concurrent guest orders involving API payment Payment Service Providers (PSPs).
Expected results :
All paid payment transactions are saved to the database and visible in Admin, as expected.
Actual results :
Only a small fraction of orders is saved in the database, while the majority of orders' information is lost because of lock wait timeouts.
Apply the patch
To apply individual patches use the following links depending on your Magento product:
- Magento Commerce: DevDocs Software Update Guide > Apply Patches .
- Magento Commerce Cloud: DevDocs Upgrades and Patches > Apply Patches .
Related reading
To learn more about Quality Patches Tool, refer to:
- Quality Patches Tool released: a new tool to self-serve quality patches .
- Check patch for Magento issue with Quality Patches Tool .
For info about other patches available in QPT tool, refer to the Patches available in QPT tool section.