For HCL Domino 14, you will see the message WARNING: A terminally deprecated method in java.lang.System has been called. This is a normal message and can be ignored as written in the HCL Domino Release Notes.
Any parameter containing blanks must be enclosed with single quotes, e.g. Tell DSAK DBInfo 'mail/john smith.nsf'
If you pass a parameter during startup, DSAK will load, execute the command and terminate (one-shot command), e.g. Load RunJava JAddin DSAK SrvInfo