Content lost when upgrading from 7.1 SP3

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.2.10.1 DXP SP1, 7.2.10 DXP FP3, 7.2.X, Master
• Fix Version/s: 7.2.10 DXP FP4, 7.2.X, 7.3.0 CE GA1, 7.3.10 DXP GA1, Master
• Component/s: Database Upgrade Framework, Dynamic Data Mapping > Upgrades
• Labels:
  • 7.2-blocker
  • 7.2-known-issues
  • QA-AUTOMATION
  • QA-FP
  • ee-ts
  • liferay-fixpack-dxp-4-7210
  • pt-upgrade-review
• Branch Version/s:
  7.2.x
• Backported to Branch:
  Committed
• Fix Priority: 5
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/82004
• QA Test Name:
  • Manual_Environment_Upgrade
• QA Test Score: 5

Steps to Reproduce:

1. Start up 71 SP3 or FP15.
2. Shut down server.
3. Upgrade to master/7.2.x.
4. Start up the new server.

Expected result:
No content lost.

Actual result:
Pages and other content lost.