Cannot define iss or acr using keycloak attribute mapper
Issue
It is no longer possible to define iss or acr using keycloak attribute mapper. Following error message is reported:
[org.keycloak.protocol.oidc.mappers.OIDCAttributeMapperHelper] (default task-3) Claim 'iss' is non-modifiable in IDToken. Ignoring the assignment for mapper 'issuer'
Environment
- Red Hat Single Sign-On (RH-SSO)
- 7.5.1 +
- attribute mapper with iss or acr attribute
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