Hi,

System path and classpath are different things.

> E:\java>java -classpath

.;e:\javalib\jaybird\firebirdsql.jar;e:\javalib\jaybird\mini-j2ee.jar;e:\javalib\jaybird\mini-concurrent.jar
Visualsql

>
> It run, it find "org.firebirdsql.jdbc.FBDriver", but after
> I have the following error :
>
> SQLException: Problem getting connection: I/O error for file %.0s"open"

Check your database URL. Server cannot find file you have specified.

Best regards,
Roman Rokytskyy