> If (in my test program) res is "isc_error_msg.properties" then it
> works only if the class (the "driver") is loaded via the system
> classloader.
> But if the resource name is prepended with a slash to indicate that
> it's located in the root directory, then it works with both
> approaches.
> ...
> What is the content of "res"?

There is no slash on the beginning. I will change this accordingly and test
it with Ant. Hopefully this issue is solved then.

Thanks for help!
Roman