Yes. http://aempodcast.com/2017/aem-resources/week-aem-custom-authentication-handler/#.XDYWMVz7TqY Apache Sling :: Authentication - AuthenticationHandler ThanksWasil

No, only SAML 2.0[1]ThanksWasil[1] SAML 2.0 Authentication Handler

You should find the latest good revision as mentioned on page[1] by using oak-run jar. Stop the instance, follow steps 1-6 and then try to bring up the instance.ThanksWasil[1] Fix Inconsistencies in the repository when SegmentNotFound Issue is reported in AEM 6.x

Utilize Kerberos/SPNEGO on Web server(IIS, Apache etc) and make use of Granite SSO Handler[1]ThanksWasil[1] Single Sign On

Yes, warning in the logs - might be the reason. Analyse the logs carefully.

Increase heap size first. Use correct memory parameters[1] either with jar or <crx-quickstart folder>/bin/start script when starting AEM instance.Check your servlet/custom code for any possible memory leaks.Thanks,Wasil[1] Increase java heap size – /home/edivad

Few items to look for :- As per assertion, cookie is invalidated.- It might be permission issue either for the path or user. Check 'Apache Sling Authentication Service' and SAML Authentication Handler configuration having the default group.- Check permissions for 'authentication-service' userThanks,...

Remove the bundle named 'AEM Groovy Console' that is different that what I suggested. And start the other one which is in installed state.Script Console be available at http://<host>:<port>/system/console/sc ThanksWasil

AEM/Sling when deployed on web container, uses servlet bridge(felix http proxy). You should better disable the JSESSIONID on JBoss[2]. Also check out article[3][4]Thanks,Wasil[1] Apache Felix - Apache Felix HTTP Service[2] How do I remove the jsessionid from URLs in JBoss EAP? - Red Hat Customer Por...

Just install/start the two jars/bundles in http://<host>:<port>/system/console/bundlesThen configure whitelist at http://<host>:<port>/system/console/configMgr Access script console at  http://<host>:<port>/system/console/scThanksWasilP.S. : I'd highly recommend to get to know AEM first. What is t...