AlistGo/alist · error

lark export download response missing file

Error message

lark export download response missing file

What it means

Error "lark export download response missing file" thrown in AlistGo/alist.

Source

Thrown at drivers/lark/other.go:245

}

func (c *Lark) DownloadExportFile(ctx context.Context, fileToken string) (io.Reader, string, error) {
	fileToken = strings.TrimSpace(fileToken)
	if fileToken == "" {
		return nil, "", errors.New("file_token is required")
	}
	resp, err := doDrive(ctx, c, func(opts ...larkcore.RequestOptionFunc) (*larkdrive.DownloadExportTaskResp, error) {
		return c.client.Drive.V1.ExportTask.Download(ctx,
			larkdrive.NewDownloadExportTaskReqBuilder().FileToken(fileToken).Build(), opts...)
	})
	if err != nil {
		return nil, "", err
	}
	if !resp.Success() {
		return nil, "", larkAPIError(resp)
	}
	if resp.File == nil {
		return nil, "", errors.New("lark export download response missing file")
	}
	return resp.File, resp.FileName, nil
}

func larkExportType(name string) (string, error) {
	switch {
	case strings.HasSuffix(name, ".lark-doc"):
		return larkdrive.TypeDoc, nil
	case strings.HasSuffix(name, ".lark-docx"):
		return larkdrive.TypeDocx, nil
	case strings.HasSuffix(name, ".lark-sheet"):
		return larkdrive.TypeSheet, nil
	case strings.HasSuffix(name, ".lark-bitable"):
		return larkdrive.TypeBitable, nil
	default:
		return "", fmt.Errorf("unsupported lark export file type: %s", name)
	}
}

View on GitHub (pinned to 843d9dc814)

Solutions

1. Verify the referenced file/path/ID exists and is correct, then retry the operation.

When it happens

Trigger: Thrown at drivers/lark/other.go:245 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of AlistGo/alist@843d9dc814 (2026-08-15). Data as JSON: /api/errors/65b36c1fed32ba87. Report an issue: GitHub.