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.
How to handle exceptions in real time job? I have seen many posts on this, but at many places its recommended to modify real time job so that it works like a batch job and add Try- Catch block.