Portal throws startup errors and doesn't render page with strip.css.sass.enabled=true

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.X EE
• Fix Version/s: 6.2.4 CE GA5, 6.2.X EE
• Component/s: Frontend Infrastructure
• Labels:
  • liferay-fixpack-portal-69-6210
• Branch Version/s:
  6.2.x
• Backported to Branch:
  Committed
• Story Points: 6
• Fix Priority: 3
• Git Pull Request: https://github.com/hhuijser/liferay-portal-ee/pull/2587

Steps to Reproduce

1. Get fix for LPS-42475
2. Add the property "strip.css.sass.enabled=true" to the portal-ext.
3. Start the bundle.
4. Assert blank page and errors in the logs

Note that this is for 6.2.x only because this property is no longer used in Master.