得到了System.InvalidOperationException：方法失败，出现意外错误代码64

Question

我正在尝试在C#控制台应用程序中访问之前获取文件夹的权限，该文件夹的路径可能是ftp的本地文件。我的机器上正在运行该文件，但是在生产服务器上部署时，其开始抛出错误System.InvalidOperationException: Method failed with unexpected error code 64 。

通过代码收到的确切错误是

System.InvalidOperationException: Method failed with unexpected error code   64.
at System.Security.AccessControl.NativeObjectSecurity.CreateInternal(ResourceType resourceType, Boolean isContainer, String name, SafeHandle handle, AccessControlSections includeSections, Boolean createByName, ExceptionFromErrorCode exceptionFromErrorCode, Object exceptionContext)
at System.Security.AccessControl.FileSystemSecurity..ctor(Boolean isContainer, String name, AccessControlSections includeSections, Boolean isDirectory)
at System.Security.AccessControl.DirectorySecurity..ctor(String name, AccessControlSections includeSections)
at UploadData.FolderManager.IsConfiguredFolderAccessible(String path, Folder folder)

引发错误的完整代码是

 private static void IsConfiguredFolderAccessible(string path, Folder folder)
    {
        // If the file can be opened for exclusive access it means that the file
        // is no longer locked by another process.
        try
        {
            if (!Directory.Exists(path))
            {
                LogHelper.Log(string.Format("Folder does not exist on given path {0}. Please re-create folder, grant permission and re-start the UPC utility. ", folder.Path), LogHelper.LogLevel.Error);
                MailComponent.SendMail(string.Format("Folder does not exist on given path {0}. Please re-create folder, grant permission and re-start the UPC utility.", folder.Path), "Folder does not exist");
                return;
            }
            else
            {
                var accessControlList = Directory.GetAccessControl(path);

                if (accessControlList == null)
                {
                    LogHelper.Log(string.Format("AccessControlList on Folder {0} are not defined", folder.ToString()), LogHelper.LogLevel.Error);
                    MailComponent.SendMail(folder.ToString(), "AccessControlList on Folder are not defined");
                }
                var accessRules = accessControlList.GetAccessRules(true, true,
                                            typeof(System.Security.Principal.SecurityIdentifier));

                if (accessRules == null)
                {
                    LogHelper.Log(string.Format("AccessRules on Folder {0} are not defined", folder.ToString()), LogHelper.LogLevel.Error);
                    MailComponent.SendMail(folder.ToString(), "AccessRules on Folder are not defined");
                }
                foreach (FileSystemAccessRule rule in accessRules)
                {
                    if ((FileSystemRights.Write & rule.FileSystemRights) != FileSystemRights.Write)
                        continue;

                    if (rule.AccessControlType == AccessControlType.Deny)
                    {
                        LogHelper.Log(string.Format("Access permission denied on Folder {0}", path), LogHelper.LogLevel.Error);
                        MailComponent.SendMail(folder.ToString(), string.Format("Access permission denied on Folder {0}", path));
                    }
                }
            }
        }
        catch (PrivilegeNotHeldException pv)
        {
            LogHelper.Log(string.Format("Access permission denied on Folder {0}, Error detail : {1}", path, pv.ToString()), LogHelper.LogLevel.Error);
            MailComponent.SendMail(pv.ToString(), string.Format("Access permission denied on Folder {0}", path));
            throw pv;
        }
        catch (IOException io)
        {
            LogHelper.Log(string.Format("Folder does not exist on given path {0}, Error detail : {1}", path, io.ToString()), LogHelper.LogLevel.Error);
            MailComponent.SendMail(io.ToString(), string.Format("Folder does not exist on given path {0}.Please re-create folder, grant permission and re-start the UPC utility.", path));
            throw io;
        }
        catch (Exception ex)
        {
            LogHelper.Log(string.Format("General error occured on Folder {0}, Error detail : {1}", path, ex.ToString()), LogHelper.LogLevel.Error);
            MailComponent.SendMail(ex.ToString(), "General error occured");
            throw ex;
        }
    }

Answer 1

该错误是通过调用本机Windows GetSecurityInfo()函数生成的。 您可以在NativeObjectSecurity类的源代码中看到它。 十六进制错误64或0x40在winerror.h具有以下定义：

ERROR_NETNAME_DELETED

指定的网络名称不再可用。

因此，您的问题很可能与通过网络访问文件夹有关。