Multiple Requests are allowed for site membership

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.0.0 DXP FP14, 7.0.0 DXP SP3, 7.0.3 CE GA4, 7.0.X EE, 7.1.X, Master
• Component/s: ~ [Archived] Sites Management
• Labels:
  • jp-support
  • liferay-digital-enterprise-70-sp3
  • liferay-fixpack-de-14-7010
• Branch Version/s:
  7.0.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/48279

Issue
Multiple site membership requests can be created by the same user.

Steps to reproduce

1. Start a clean bundle
2. Go to Control Panel and create a new site with membership Restricted
3. Create a new user
4. Open 2 different browsers and login with that new user
5. Go to My Private Pages or My Dashboard in both browsers
6. Select Available Sites in both browsers
7. Note that the created site is displayed and is possible to request membership
8. Click on Request Membership on both browsers (type any comment)
9. Go back to admin browser
10. Go to that site's Site Membership
11. Click on There are 2 membership requests pending. link

Actual results
There are 2 request for the same user and same site

Expected results
Only 1 membership request for a user per site.

Reproduced in
6.1.20
6.1.x (7e0ff3d2d489d0ca8227bd87cbdc6bf741926dbc)
7.0.x (35fcd52595450b59e50d31fe14cbc514078057fd)
master (97f4ccb4e2cf91911b40b9d3832fad6611ff597e)