The error itself means that Jaybird can't find or load jaybird22.dll or
jaybird22_x64.dll, or that the jaybird DLL can't find or load
fbclient.dll. For Jaybird 2.2, you need to ensure that 1) the location
of the jaybird.dll is on the java.library.path, and 2) the location of
fbclient.dll is on the PATH (Jaybird does nothing with the FIREBIRD
environment variable).
If you just need to run the application to transfer data, you may want
to consider using an actual Firebird server instead of using Firebird
Embedded.
Mark
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Mark Rotteveel