http://developer.myspace.cn/modules/apps/pages/myapps.aspx
中创建新挂件（个人觉得这个名字怎么那么难听！！）时，居然报黄页：
甚至连错误信息都暴露无疑：
[InvalidCastException: 指定的转换无效。] MySpace.China.SignUp.Controller.V2.<>c__DisplayClass5b.b__5a(IParameterSet parameters) in e:\Builds\dll.Platform.Release\Platform\MySpace.China.SignUp.Controller\V2\SignUpDAO.cs:865 MySpace.Data.SafeProcedure.ExecuteNonQuery(Database database, SqlConnection connection, String procedureName, ParameterMapper parameterMapper, OutputParameterMapper outputMapper) in e:\Builds\dll.Core.Release\Core\Data\SafeProcedure.cs:220 [SafeProcedureException: Database Exception Against Database: Federated1300 With procedure: dbo.Friends_AddFriendship With inner exception message: 指定的转换无效。] MySpace.China.SignUp.Controller.V2.SignUpControllerV2.SignUp(SignUpInfo signupInfo, Stack`1 rollbackMethods, SignUpCompleteHandler completeHandler, String xmlDefaultLayout, CreateAccountStatus& status) in e:\Builds\dll.Platform.Release\Platform\MySpace.China.SignUp.Controller\V2\SignUpControllerV2.cs:146 MySpace.China.SignUp.Controller.V2.SignUpControllerV2.SignUp(SignUpInfo signupInfo, SignUpCompleteHandler completeHandler, String xmlDefaultLayout, CreateAccountStatus& status) in e:\Builds\dll.Platform.Release\Platform\MySpace.China.SignUp.Controller\V2\SignUpControllerV2.cs:67 MySpace.Applications.Providers.ApplicationProvider.CreateThirdPartyApplication(Int32 developerId, String applicationName, CultureInfo defaultCulture, String applicationProfileEmail, String applicationProfilePassword, String ipAddress, ICollection`1 applicationPermissions, OptionalCreationArguments optionalArguments, String contentLayout) in e:\Builds\dll.Platform.Release\Platform\MySpace.Applications\Providers\ApplicationProvider.cs:126 [ApplicationCreationException: [INNER EXCEPTION MESSAGE] Database Exception Against Database: Federated1300 With procedure: dbo.Friends_AddFriendship With inner exception message: 指定的转换无效。 [INNER EXCEPTION MESSAGE] 指定的转换无效。 ] MySpace.Applications.Providers.ApplicationProvider.CreateThirdPartyApplication(Int32 developerId, String applicationName, CultureInfo defaultCulture, String applicationProfileEmail, String applicationProfilePassword, String ipAddress, ICollection`1 applicationPermissions, OptionalCreationArguments optionalArguments, String contentLayout) in e:\Builds\dll.Platform.Release\Platform\MySpace.Applications\Providers\ApplicationProvider.cs:218 MySpace.Developer.Web.MyApps.Core.BusinessObjects.App.CreateThirdPartyApplication(App app) in e:\Builds\web.developer.Release\public\MySpace.Developer.Common\Apps\BusinessObjects\App.cs:716 MySpace.Developer.Web.MyApps.Core.BusinessObjects.App.CreateThirdPartyApplication() in e:\Builds\web.developer.Release\public\MySpace.Developer.Common\Apps\BusinessObjects\App.cs:451 MySpace.Web.Developer.Modules.Apps.Pages.CreateAppAccount.CreateApp() in e:\Builds\web.developer.Release\public\MySpace.Web.Developer\Modules\Apps\Pages\CreateAppAccount.aspx.cs:86 MySpace.Web.Developer.Modules.Apps.Pages.CreateAppAccount.btnSubmitCaptcha_Click(Object sender, EventArgs e) in e:\Builds\web.developer.Release\public\MySpace.Web.Developer\Modules\Apps\Pages\CreateAppAccount.aspx.cs:63 System.Web.UI.WebControls.Button.OnClick(EventArgs e) +105 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +107 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1746
这帮人真不知道是做啥的，咋嫩不专业哩....