Wrong date for attachments versions in Confluence 4.5.x

Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.

Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.

*Except Fisheye and Crucible

Problem

After upgrading Confluence from 2.7 to 4.5.3, the attachments versions are all shown with the creation date of the first version.

Cause

In Confluence 2.7 both Creation Date and Last Mod Date were shown.

Upgrading to a newer version makes Confluence show just the the creation date (of the first version) instead of the last modification date.

Workaround

Always back up your data before making any database modifications. If possible, test any alter, insert, update, or delete SQL commands on a staging server first.

A simple query should change that:

1 UPDATE ATTACHMENTS SET creationdate = lastmoddate;

By doing that, we are replacing the creationdate to lastmoddate content, which will make confluence pick the correct values.

Updated on April 15, 2025

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