Looking for logging into the Oracle Apex Forum site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Oracle Apex Forum site. After that you can login as usual with your login credentials.
https://apex.oracle.com/forum
https://community.oracle.com/thread/2560007?start=0&tstart=0
https://www.oracle.com/technetwork/developer-tools/apex/application-express/apex-community-098449.html
https://community.oracle.com/community/groundbreakers/database/developer-tools/application_express/content
https://blogs.oracle.com/apexcommunity_deutsch/
https://apex.oracle.com/en/community/
https://community.oracle.com/
https://www.oracle.com/database/technologies/appdev/apex.html
https://apex.oracle.com/pls/apex/apex
https://apex.oracle.com/pls/apex/f?p=THEME_APEX50_4550:LOGIN
https://blogs.oracle.com/apexcommunity_deutsch/application-express-community
http://dgielis.blogspot.com/2007/04/otn-apex-forum.html
http://dgielis.blogspot.com/2013/06/otn-forums-updated.html