Solution : https://service.sap.com/sap/support/notes/1537663 (SAP Service marketplace login required)
Key words :
> <url-pattern>/servlet/billdisplay/ </url-pattern></servlet-mapping>, <path>/servlet/billdisplay</path>, /<context-root>/servlet/<servlet-, called invoker servlet feature, <servlet-mapping> <servlet-, default servlet mapping, invoker servlet feature, invoker servlet provided, scan webbase-config, >billdisplay</servlet-
Related Notes :
1467771 | Disabling invoker servlet in the portal |
1445998 | Disabling invoker servlet |