Solution : https://service.sap.com/sap/support/notes/1107186 (SAP Service marketplace login required)
Key words :
server icf runtime, terms ~script_name ~path_info, relevant support package, function module 'icfbuffer_init', function builder, system extracts, request uri, header fields, request object, filled correctly
Related Notes :
1230506 | Endless loop when starting Web Dynpro ABAP |
1101866 | Accessing the virtual host on the default service |