Nokia S60 Problem: Invalid Jar file / Ungültige Jar Datei

When I started to develop some software for my Nokia Navigator 6110 I repeatedly ran into the problem that my apps worked fine with the Symbian SDK S60Emulator but when I tried to install them on my device via Nokia Application Installer everything went fine until finally the device would say ‘Ungültige Jar Datei’ or …

Symbian SDK IllegalStateException: No application specified in JAD or command line

This is a bit off-topic for this blog but recently I’ve needed to cope with Java ME and my Nokia S60 device Nokia Navigator 6110. The problem: If you are doing what I have done and want to run an old midlet project with the Symbian SDK then do not forget to add all your …