gRPC 7 PERMISSION_DENIED vs 16 UNAUTHENTICATED
Both gRPC 7 (PERMISSION_DENIED) and 16 (UNAUTHENTICATED) belong to the gRPC Status Codes category. 7 indicates that the caller does not have permission to execute the specified operation. This is not for unauthenticated callers — use UNAUTHENTICATED instead. Meanwhile, 16 means that the request does not have valid authentication credentials for the operation.
Descripción
The caller does not have permission to execute the specified operation. This is not for unauthenticated callers — use UNAUTHENTICATED instead.
Cuándo lo verás
The authenticated user lacks the required role, scope, or policy to perform this action. Different from UNAUTHENTICATED (code 16), which means no credentials at all.
Cómo solucionarlo
Verify the caller has the correct IAM role, API scope, or access policy. Check RBAC configuration on the server side.
Descripción
The request does not have valid authentication credentials for the operation.
Cuándo lo verás
No credentials were provided, or the provided token/certificate is expired or invalid. Different from PERMISSION_DENIED (code 7), which means authenticated but not authorized.
Cómo solucionarlo
Provide valid authentication credentials (e.g., refresh the OAuth token, regenerate the API key, or renew the client certificate).
Diferencias clave
gRPC 7: The caller does not have permission to execute the specified operation. This is not for unauthenticated callers — use UNAUTHENTICATED instead.
gRPC 16: The request does not have valid authentication credentials for the operation.
You encounter 7 when the authenticated user lacks the required role, scope, or policy to perform this action. Different from UNAUTHENTICATED (code 16), which means no credentials at all.
You encounter 16 when no credentials were provided, or the provided token/certificate is expired or invalid. Different from PERMISSION_DENIED (code 7), which means authenticated but not authorized.
Cuándo usar cada uno
For 7 (PERMISSION_DENIED): Verify the caller has the correct IAM role, API scope, or access policy. Check RBAC configuration on the server side. For 16 (UNAUTHENTICATED): Provide valid authentication credentials (e.g., refresh the OAuth token, regenerate the API key, or renew the client certificate).