What are Invalidating Session warning messages in Indentity Portal server log?

Products

• CA Identity Suite

Issue/Introduction

The following "Invalidating Session" warning messages are repetitively occurring in Identity Portal server log.  

2022-03-16 08:52:11,533 WARN  [com.idmlogic.sigma.web.controller.LoginController] (default task-3023) Invalidating session =====:9mPLQfVextfD6GbKYw0TCPE6swW1P_EXaoHIeCip

What are they? Does these warning messages have any impacts? 

Environment

Release : 14.4

Component : Identity Portal

Resolution

'Invalidating session' is a function to check if the session is invalid. A new session will go through this 'invalidating session' process. The WARN "Invalidating session" messages are expected and there is no impact.