ACSD-53845: MySQL connection timeout issue when consumer max_messages = 0

Last update: 2023-12-08
  • Created for:
  • Admin

The ACSD-53845 patch fixes the issue where MySQL connection times out when consumer max_messages = 0. This patch is available when the Quality Patches Tool (QPT) 1.1.42 is installed. The patch ID is ACSD-53845. Please note that the issue is scheduled to be fixed in Adobe Commerce 2.4.7.

Affected products and versions

The patch is created for Adobe Commerce version:

  • Adobe Commerce (all deployment methods) 2.4.6

Compatible with Adobe Commerce versions:

  • Adobe Commerce (all deployment methods) 2.4.0 - 2.4.6-p3

The patch might become applicable to other versions with new Quality Patches Tool releases. To check if the patch is compatible with your Adobe Commerce version, update the magento/quality-patches package to the latest version and check the compatibility on the Quality Patches Tool: Search for patches page. Use the patch ID as a search keyword to locate the patch.


MySQL connection times out when consumer max_messages = 0.

However, connection to the database will be restored when starting a transaction.

Steps to reproduce:

  1. Send a request to bulk update products using the async/bulk/V1/products REST API endpoint.
  2. Check status in the magento_operation table.

Expected results:

The products are updated.

Actual results:

  1. An error is logged:

    report.CRITICAL: Message has been rejected: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away [] []
  2. status for this operation remains 4 in the magento_operation table.

Apply the patch

To apply individual patches, use the following links depending on your deployment method:

To learn more about Quality Patches Tool, refer to:

For info about other patches available in QPT, refer to Quality Patches Tool: Search for patches in the Quality Patches Tool guide.

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