Staging - Publishing of child page fails if parent is already published

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.1.30 EE GA3, 6.1.X EE
• Fix Version/s: 6.1.X EE
• Component/s: Content Publishing > Staging
• Labels:
  • 6.1_release_notes
  • QA-R
  • QA-TP
  • ee-ts
  • liferay-fixpack-wcm-core-13-6130
• Branch Version/s:
  6.1.x
• Backported to Branch:
  Committed
• Story Points: 2
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal-ee/pull/2586
• Bug Type: Regression Bug

Reproduction steps:

1. Create a blank site "testSite"
2. Turn on staging
3. Add a page "pageA"
4. Add a a childpage to pageA "childA"
5. Publish to live and select only childA for publishing (this completes successfully and both pageA and childA is published)
6. Publish to live and select only childA for publishing again

Result: Publish fails with NullPointerException