Summary
Using Oracle WEB ADI responsibility (R12 environment) when calling
Manage Document Links or
Create Document the error:
Webpage cannot be found http 404
appears
Workaround:
a. change responsibility to System Administrator
b. go to System Administrator > Security > Responsibility > Define > find: Oracle Web ADI
c. change the Menu from Oracle Web ADI Menu to Desktop Integration Menu and save.
d. restart appsTier and check again.