gRPC

gRPC 5 NOT_FOUND vs 16 UNAUTHENTICATED

Both gRPC 5 (NOT_FOUND) and 16 (UNAUTHENTICATED) belong to the gRPC Status Codes category. 5 indicates that some requested entity was not found. For example, a file or directory that the RPC was supposed to operate on does not exist. Meanwhile, 16 means that the request does not have valid authentication credentials for the operation.

Mô tả

Some requested entity was not found. For example, a file or directory that the RPC was supposed to operate on does not exist.

Khi bạn thấy mã này

The resource referenced in the request doesn't exist — such as looking up a user by ID that has been deleted or never created.

Cách khắc phục

Verify the resource identifier is correct. Ensure the resource was created before accessing it, or handle the not-found case gracefully in your client.

Mô tả

The request does not have valid authentication credentials for the operation.

Khi bạn thấy mã này

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.

Cách khắc phục

Provide valid authentication credentials (e.g., refresh the OAuth token, regenerate the API key, or renew the client certificate).

Sự khác biệt chính

1.

gRPC 5: Some requested entity was not found. For example, a file or directory that the RPC was supposed to operate on does not exist.

2.

gRPC 16: The request does not have valid authentication credentials for the operation.

3.

You encounter 5 when the resource referenced in the request doesn't exist — such as looking up a user by ID that has been deleted or never created.

4.

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.

Khi nào dùng cái nào

For 5 (NOT_FOUND): Verify the resource identifier is correct. Ensure the resource was created before accessing it, or handle the not-found case gracefully in your client. For 16 (UNAUTHENTICATED): Provide valid authentication credentials (e.g., refresh the OAuth token, regenerate the API key, or renew the client certificate).

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