Try to use Mysql database with forte

Dear All:
As title said, I try to use Mysql database with forte.
I read the manual , it said I have to put the database jdbc driver in
the Forte for Java lib/ext directory.
I did it and then add a new Driver in the Runtime tab in the Explorer
window .
But when I try to test this new driver(by Right-clicking on the driver
or connection in the Explorer and select Test Driver from the context
menu),it said "cannot find driver class: check your CLASSPATH or
\lib\ext direectory".
I am sure I'hve put the driver class(with the whole directory structure)
in that folder.
Does anyone what I may go wrong ?
Could you please give me some advices that I can fix this problem ?
Thanks in advance.
Ken @ Taipei , Taiwan , Asia

You should have put the jar file that contains the driver into that directory. If you unpacked the jar file and put the individual classes into that directory, it will not work.

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