Unproven idea, but you might try creating a J# assembly to access the JDBC and wrapping that in a script component. Or you should be able to write a custom source using J#, but this would take more time. There are some sample custom sources in C# at
http://sqlsrvintegrationsrv.codeplex.com/.
Matt Carroll (MSFT) -- This posting is provided "AS IS", with no warranties, and confers no rights.