>>> Sorry, but I'm not understand your question about J2SE security and
>>> fbserver.exe.
>>>
>> Can one tune J2SE security on per-process basis ? I.e. - allow some process
>> to do something (load java class and run it, for example). Or how it is worked ?
>
> Yes, each process loads one JVM and AFAIK, each ClassLoader (one for
> each DB user) can also have different security policies.

Why do we need classloader-per-user scenario? In what case we give an
execute permission to some particular procedure to a particular role but
you wich to apply some particular security policy on the code you
execute on behalf of that user? Why GRANTs and policy-per-database is
not enough?

Roman