If so, you need SAP Universal ID. In a few months, SAP Universal ID will be the only option to login to SAP Community. Without it, you will lose your content and badges. If you have multiple accounts, use the Consolidation Tool to merge your content.
I want to display the J2EE Engine server console logs (../j2ee/cluster/server/managers/console_logs/<date>.log & <date>.error) in the logviewer. Do you know how to do that?