Company documents being indexed into System index (liferay-0) on Elasticsearch

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.1.10 DXP FP13, 7.2.10 DXP FP1, 7.2.10.1 DXP SP1, 7.2.1 CE GA2
• Fix Version/s: 7.0.0 DXP FP95, 7.0.X, 7.1.10 DXP FP17, 7.1.10.4 SP4, 7.1.X, 7.2.10 DXP FP4, 7.2.X, 7.3.0 CE GA1, Master
• Component/s: Search Infrastructure
• Labels:
  • ee-bp
  • ee-ts
  • liferay-dxp-71-sp4
  • liferay-fixpack-de-95-7010
  • liferay-fixpack-dxp-17-7110
  • liferay-fixpack-dxp-4-7210
• Branch Version/s:
  7.2.x, 7.1.x, 7.0.x
• Backported to Branch:
  Committed
• Story Points: 3
• Fix Priority: 4
• Sprint: Search| S03 Sprint 9, Search|S03 Sprint 10 |1.6-1.24
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/82840

Solution notes
In order to get rid of the duplicate data from the System index server admins have to perform a full reindex through the server admin.

Description:
After running a full reindex, there are documents in the system index for company assets such as Journal Articles, Blogs, Bookmarks, Docs & Media, Dynamic Data Lists, Forms, KB, Message Boards, and Wiki.

Steps to Reproduce:
1) Startup Liferay with Remote Elasticsearch (v6.8.3)
2) Create a new Site
3) Create Web Content titled "vanilla" in newly created Site
4) Reindex
5) Hit Elasticsearch port to verify that an index for the new Site was create. For example:

• http://localhost:9200/_cat/indices?v
• Observe liferay-0 & liferay-20101

6) Go to [http://localhost:9200/liferay-[site-index] (i.e 20101)|http://localhost:9200/liferay-[site-index]%20(i.e%2020101)]/_search?q=vanilla&pretty
7) Verify the "vanilla" web content exists
8) Go to http://localhost:9200/liferay-0/_search?q=vanilla&pretty

Expected Result: "vanilla" Web Content does not appear due to it existing in a different Site
Actual Result: The index is duplicated in liferay-0

Additonal Testing:
Repeat same tests in Liferay 7.2 GA1 and observe that liferay-0 index does not return duplicate data