[keycloak-user] How to debug Tomcat 8 KeycloakAuthenticatorValve?

I am using Keycloak with Tomcat 8, and I am able to successfully able to achieve OpenID connect based Single Sign On flow. But I am facing issue with back-channel logout, when I click on logout from Sessions tab, it shows success. But the application session is not invalidated and the application session still can be used actively till the token expiry. So I wanted to debug the source and see if I could find the root cause and solve the issue if any. Please help me in guiding how to debug KeycloackAuthenticatorValve. I am using IntelliJ IDEA for development. Let me know if any further details are required. Regards, Narendra Pathai -- *Sterlite Tech Disclaimer:* The content of this message may be legally privileged and confidential and are for the use of the intended  recipient(s) only. It should not be read, copied and used by anyone other than the intended recipient(s). If you have received this message in error, please immediately notify the sender, preserve its confidentiality and delete it. Before opening any attachments please check them for viruses and defects. No employee or agent is authorised to conclude any binding agreement on behalf of Sterlite Technologies Limited with another party by email without express written confirmation by authorised person. Visit us at www.sterlitetech.com <http://www.sterlitetech.com>  Please consider environment before printing this email ! Registered office: E 1, MIDC Industrial Area, Waluj, Aurangabad, Maharashtra – 431 136 CIN – L31300MH2000PLC269261