Nautilus is not intended to handle such kind of behaviour (opening a file from the command line) at all (look at the code in src/nautilus-window-manager-views.c/.h). The proper file handling is done by 'gnome-open'.
Anyway, if you believe this is a nautilus bug just open a new bug upstream, 'cause the one we are talking about here is the exo-utils wrong XDG file handler install that actually brings us this error...
@Subharo Bhikkhu,
Nautilus is not intended to handle such kind of behaviour (opening a file from the command line) at all (look at the code in src/nautilus- window- manager- views.c/ .h). The proper file handling is done by 'gnome-open'.
Anyway, if you believe this is a nautilus bug just open a new bug upstream, 'cause the one we are talking about here is the exo-utils wrong XDG file handler install that actually brings us this error...