Some actions in portal are redirecting to a blank page

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.0 Beta 3, 7.1.X, Master
• Component/s: Core Infrastructure, ~[Archived] UI Taglibs
• Labels:
  • 7.1-blocker
  • 7.1-must
  • QA-FP
  • UI
  • not_reproducible_on_72
• Fix Priority: 5
• Git Pull Request: https://github.com/shuyangzhou/liferay-portal/pull/6258

Permissions steps to reproduce:

1. Add "Web Content Display" widget to a page
2. Edit Permissions
3. Click "Save"

Expected Result
User is correctly redirected

Actual Result:
Blank page frame is shown.

Web Content Article steps to reproduce:

1. Go to Site -> Content -> Web Content
2. Add new Structure and Template
3. Add Web Content based on this structure
4. Add new Structure and Template
5. Edit Web Content and change Structure to new structure.

Forms steps to reproduce:

1. Go to Content > Forms
2. Add a new form
3. Add a field
4. Save Form
5. Go back to Forms main view
6. Attempt to Delete the form

Staging steps to reproduce:
1. create a site
2. navigate to Publishing > Staging
3. select remote live
4. fill in localhost, port, for site Id use: "22"
5. click on Save

Actual result:
Error div is displayed, there is no error message.
Exception is thrown to console. See trace here.

Expected:
Error message to be displayed that says siteId is not valid

Tested on master 230f42b