If required, you can choose to resolve parameters of prepared statements. By default, those parameters are shown as question marks in the hot spots view and the event view. Resolving these parameters makes the hot spots view more cluttered, but can be useful for debugging purposes.
To activate the connection leaks analysis when probe recording is started, select the "Record open virtual connections for connection leak analysis" check box. Once the session is running, the "Connection leaks" view of the JDBC probe also shows a recording button that allows you to switch the connection leak detection on and off.