Well i'm Dutch, but it says this:
C:UsersNielsDesktopHexxit_Server_v1.0.5>java -Xmx2G -Xms1G -jar Hexxit.jar nogui
Java is not recognized as an internal or external command, program or Batchfile.
CUsersNielsDesktopHexxit_Server_V1.0.5>pause
Press a key to continue ...
I've got java version 7 update 25
My pc is a 64-bit