Failed to calculate version: For input string: "@major_

Question

Hello, i already searched for that topic but they didn't solve it.

I always get this message when i start my FTP-program on the first line.

Everything works correct, i just got that message and i need to suppress it
does anyone know how ? its written red in netbeans and i cant
catch(Exception e)
it :)

greetings
Rainer

Answer 1

update i tried to run my programm under linux suse and i got following error which causes my programm to crash instantly

Unsupported Class Version Error(Unsupported major.minor version 49.0)

Answer 2

update i tried to run my programm under linux suse and i got following error which causes my programm to crash instantly

Unsupported Class Version Error(Unsupported major.minor version 49.0)

This error occurs if you build edtFTPj from the source without using the ant script included in the distro. The ant script substitutes the version string as a part of the build. I suggest either using the ant script or searching the source for "major" and "minor", and replacing these with numbers.

- Hans (EDT)