Logger 에서 다음 모듈의 DEBUG 추가
com.onelogin.saml2 com.onelogin.oidc com.atlassian.plugins.authentication
(참고) https://confluence.atlassian.com/kb/troubleshooting-saml-authentication-failures-with-additional-debug-logging-1167703249.html
https://chrome.google.com/webstore/detail/saml-chrome-panel/paijfdbeoenhembfhkhllainmocckace?hl=en
(참고) https://confluence.atlassian.com/jirakb/how-to-view-saml-responses-in-your-browser-for-troubleshooting-872129244.html