Set the "When Deploying Web Applications or EJBS" appropriately.
(1) IgnoreRolesAndPoliciesFromDD/InitializeRoleAndPoliciesFromDD
(1) via the Administration Console, Security Realm > Name of the Active Realm > Settings > Advanced > When Deploying Web Applications or EJBs setting
Oracle�� eDocs > Securing WebLogic Resources Using Roles and Policies > Options for Securing Web Application and EJB Resources
Various
Various
Various