The http status code 401 message and error messages such as Inadequate OAuth consumer credentials indicate that a request to an OAuth protected resource (for example, /dwa/rm/discovery/catalog) has been refused for security reasons.
The OAuth specification that Rational DOORS Web Access follows can be located at http://oauth.net/core/1.0/. Rational DOORS Web Access accepts accept both OAuth 1 and OAuth 1a specification requests. Rational DOORS Web Access has not added any features to the OAuth specification.
It is not possible to access an OAuth protected resource without an OAuth token.