gRPC 6 ALREADY_EXISTS vs 16 UNAUTHENTICATED
Both gRPC 6 (ALREADY_EXISTS) and 16 (UNAUTHENTICATED) belong to the gRPC Status Codes category. 6 indicates that the entity that a client attempted to create already exists. For example, a file or directory that the RPC was supposed to create already exists. Meanwhile, 16 means that the request does not have valid authentication credentials for the operation.
Description
The entity that a client attempted to create already exists. For example, a file or directory that the RPC was supposed to create already exists.
Quand vous le voyez
A create operation failed because a resource with the same unique identifier or name already exists in the system.
Comment résoudre
Use a different identifier, or switch to an upsert/update operation if overwriting is acceptable. Check for existing resources before creating.
Description
The request does not have valid authentication credentials for the operation.
Quand vous le voyez
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.
Comment résoudre
Provide valid authentication credentials (e.g., refresh the OAuth token, regenerate the API key, or renew the client certificate).
Différences clés
gRPC 6: The entity that a client attempted to create already exists. For example, a file or directory that the RPC was supposed to create already exists.
gRPC 16: The request does not have valid authentication credentials for the operation.
You encounter 6 when a create operation failed because a resource with the same unique identifier or name already exists in the system.
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.
Quand utiliser lequel
For 6 (ALREADY_EXISTS): Use a different identifier, or switch to an upsert/update operation if overwriting is acceptable. Check for existing resources before creating. For 16 (UNAUTHENTICATED): Provide valid authentication credentials (e.g., refresh the OAuth token, regenerate the API key, or renew the client certificate).