CredentialSourceSupplier should indicate empty secret attribute by returning null --------------------------------------------------------------------------------- Key: WFCORE-2211 URL: https://issues.jboss.org/browse/WFCORE-2211 Project: WildFly Core Issue Type: Bug Components: Security Reporter: Peter Skopek Assignee: Peter Skopek Fix For: 3.0.0.Alpha21 When constructing CredentialSource and all possibilities are exhausted return null to indicate that there is no further chance to obtain the credential.