【发布时间】:2013-10-24 20:41:01
【问题描述】:
我有一个 asp.net mvc web 应用程序,并且一些外部 cron 作业正在从我的 CronJobController 调用一个特定的 url 并执行一个特定的方法,例如:
/// <summary>
/// Will be called externally by www.setcronjob.com.
/// </summary>
/// <returns></returns>
public async Task<ActionResult> Index()
{
RunTwitterSearchQuery();
RunFacebookSearchQuery();
return new ContentResult { Content = "Ok" };
}
在 RunTwitterSearchQuery 中,我想发送一些电子邮件,我尝试使用 MvcMailer 和 ActionMailer,例如(使用 ActionMailer):
var mailController = new MailController();
mailController.HttpContextBase = this.HttpContext;
mailController.MoreThanXFollowersEmail(alertEmailModel).Deliver();
因为 http 上下文为空,我必须以这种方式设置它以避免 NPE,但之后我收到一个非常奇怪的异常(在 MvcMailer 和 ActionMailer 中):
System.ArgumentException: Value does not fall within the expected range.
at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Runtime.InteropServices.Marshal.ThrowExceptionForHR(Int32 errorCode)
at System.Web.Hosting.IIS7WorkerRequest.GetUserAgentInternal()
at System.Web.Hosting.IIS7WorkerRequest.GetKnownRequestHeader(Int32 index)
at System.Web.HttpRequest.get_UserAgent()
at System.Web.HttpRequestWrapper.get_UserAgent()
at System.Web.WebPages.BrowserHelpers.GetOverriddenUserAgent(HttpContextBase httpContext)
at System.Web.WebPages.BrowserHelpers.GetOverriddenBrowser(HttpContextBase httpContext, Func`2 createBrowser)
at System.Web.WebPages.BrowserHelpers.GetOverriddenBrowser(HttpContextBase httpContext)
at System.Web.WebPages.DisplayModeProvider.<.ctor>b__2(HttpContextBase context)
at System.Web.WebPages.DefaultDisplayMode.CanHandleContext(HttpContextBase httpContext)
at System.Web.WebPages.DisplayModeProvider.<>c__DisplayClass6.<GetAvailableDisplayModesForContext>b__5(IDisplayMode mode)
at System.Linq.Enumerable.WhereListIterator`1.MoveNext()
at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
at System.Web.Mvc.VirtualPathProviderViewEngine.GetPath(ControllerContext controllerContext, String[] locations, String[] areaLocations, String locationsPropertyName, String name, String controllerName, String cacheKeyPrefix, Boolean useCache, String[]& searchedLocations)
at System.Web.Mvc.VirtualPathProviderViewEngine.FindView(ControllerContext controllerContext, String viewName, String masterName, Boolean useCache)
at System.Web.Mvc.ViewEngineCollection.<>c__DisplayClassc.<FindView>b__a(IViewEngine e)
at System.Web.Mvc.ViewEngineCollection.Find(Func`2 lookup, Boolean trackSearchedPaths)
at System.Web.Mvc.ViewEngineCollection.FindView(ControllerContext controllerContext, String viewName, String masterName)
at ActionMailer.Net.Mvc.EmailResult.LocateViews(ControllerContext context) in c:\Dev\actionmailer\src\ActionMailer.Net.Mvc\EmailResult.cs:line 127
at ActionMailer.Net.Mvc.EmailResult.AddMessageViews(ControllerContext context) in c:\Dev\actionmailer\src\ActionMailer.Net.Mvc\EmailResult.cs:line 155
at ActionMailer.Net.Mvc.EmailResult.ExecuteResult(ControllerContext context) in c:\Dev\actionmailer\src\ActionMailer.Net.Mvc\EmailResult.cs:line 98
at ActionMailer.Net.Mvc.MailerBase.Email(String viewName, Object model, String masterName, Boolean trimBody) in c:\Dev\actionmailer\src\ActionMailer.Net.Mvc\MailerBase.cs:line 166
at SocialCrm.Controllers.MailController.MoreThanXFollowersEmail(AlertEmailModel model) in c:\dev\palminfo\SocialCrm\SocialCrm\Controllers\MailController.cs:line 18
at SocialCrm.Controllers.CronJobController.SendAlertEmail(SearchResultModel searchResultModel, Int32 searchQueryId, List`1 alerts, String emailTo, String streamName) in c:\dev\palminfo\SocialCrm\SocialCrm\Controllers\Batch\CronJobController.cs:line 146
at SocialCrm.Controllers.CronJobController.<RunTwitterSearchQuery>b__3() in c:\dev\palminfo\SocialCrm\SocialCrm\Controllers\Batch\CronJobController.cs:line 83
这很丑陋,我非常感谢在这个问题上提供任何帮助。
更新:当使用 MvcMailer this 是我收到的错误。
【问题讨论】:
-
我能看到的最明显的事情是确保
searchQueryId是有效的 Int32,而不是 Int64、字符串等。 -
@ChrisPratt 是的,例如我用
searchQueryId = 1测试。我感觉这个问题主要是关于 httpContext 在以这种异步方式使用时缺少一些字段...... -
嗨@Cristian Boariu,你能解决它吗?我在使用 ActionMailer 时遇到了完全相同的问题。
标签: c# asp.net-mvc actionmailer mvcmailer