Using the Expert View 
The Expert view shows all available log files without predefined filters.
Caution
Some of these logs correspond to traces of the Startup Framework. They give information about the AS Java behavior at startup. These logs are mainly for internal usage by SAP developers and support. Therefore, we strongly recommend that you do not configure them.
Open SAP NetWeaver Administrator and choose .
From View, choose Open Expert View.
Within Display Log File, you can find all the available files, containing logs.
To set filter criteria, choose Show Advanced Filter. You can apply various types of filtering.
For more information, see: Filtering Logs and Traces