The requested resource was not found error when login for the first time

• Type: Regression Bug
• Status: Closed
• Resolution: Duplicate
• Affects Version/s: 6.1.X EE
• Fix Version/s: 6.2.X EE, 7.0.1 CE GA2
• Component/s: Application Security > Login/Sign in Portlet
• Labels:
  • security-filter-bugs
• Story Points: 4
• Fix Priority: 4

Steps to reproduce:

1. Start a clean portal.
2. Login from sign in portlet.

Expected result:
User could login successfully.

Actual result:
The requested resource was not found error displayed.

Note: This happened on 61EE only, and just for first time login.