gRPC 1 CANCELLED vs 16 UNAUTHENTICATED
Both gRPC 1 (CANCELLED) and 16 (UNAUTHENTICATED) belong to the gRPC Status Codes category. 1 indicates that the operation was cancelled, typically by the caller. Meanwhile, 16 means that the request does not have valid authentication credentials for the operation.
설명
The operation was cancelled, typically by the caller.
이 코드를 보게 되는 경우
The client explicitly cancelled the RPC, or a deadline or context cancellation propagated to the server before it could finish processing.
해결 방법
If unexpected, check whether the client is setting too-short deadlines or if cancellation is being triggered inadvertently in your call chain.
설명
The request does not have valid authentication credentials for the operation.
이 코드를 보게 되는 경우
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.
해결 방법
Provide valid authentication credentials (e.g., refresh the OAuth token, regenerate the API key, or renew the client certificate).
주요 차이점
gRPC 1: The operation was cancelled, typically by the caller.
gRPC 16: The request does not have valid authentication credentials for the operation.
You encounter 1 when the client explicitly cancelled the RPC, or a deadline or context cancellation propagated to the server before it could finish processing.
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.
언제 어떤 것을 사용할지
For 1 (CANCELLED): If unexpected, check whether the client is setting too-short deadlines or if cancellation is being triggered inadvertently in your call chain. For 16 (UNAUTHENTICATED): Provide valid authentication credentials (e.g., refresh the OAuth token, regenerate the API key, or renew the client certificate).