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.
which scope is the best for labels, which have to be localizable and shown in jsp? (I dont know if it is better to put it in session bean or every request fetch it from localization bundles...)
