Event code: 3006 
Event message: 发生了分析器错误。 
Event time: 2014/7/25 14:24:45 
Event time (UTC): 2014/7/25 6:24:45 
Event ID: 428b88dd5ee34d04af7f6747b41c886b 
Event sequence: 8 
Event occurrence: 1 
Event detail code: 0 

Application information: 
Application domain: /LM/W3SVC/2/ROOT-2-130507430843514831 
Trust level: Full 
Application Virtual Path: / 
Application Path: C:\Users\Administrator\Desktop\wwwroot\175ka\ 
Machine name: 10_221_184_134 

Process information: 
Process ID: 412 
Process name: w3wp.exe 
Account name: NT AUTHORITY\SYSTEM 

Exception information: 
Exception type: HttpParseException 
Exception message: 试图访问已卸载的 AppDomain。 

Request information: 
Request URL: http://api.175ka.com/default.aspx 
Request path: /default.aspx 
User host address: 61.160.224.139 
User: 
Is authenticated: False 
Authentication Type: 
Thread account name: NT AUTHORITY\SYSTEM 

Thread information: 
Thread ID: 5 
Thread account name: NT AUTHORITY\SYSTEM 
Is impersonating: False 
Stack trace: 在 System.Web.UI.TemplateParser.ProcessException(Exception ex)
在 System.Web.UI.TemplateParser.ParseStringInternal(String text, Encoding fileEncoding)
在 System.Web.UI.TemplateParser.ParseString(String text, VirtualPath virtualPath, Encoding fileEncoding)
在 System.Web.UI.TemplateParser.ParseReader(StreamReader reader, VirtualPath virtualPath)
在 System.Web.UI.TemplateParser.ParseFile(String physicalPath, VirtualPath virtualPath)
在 System.Web.UI.TemplateParser.ParseInternal()
在 System.Web.UI.TemplateParser.Parse()
在 System.Web.UI.TemplateParser.Parse(ICollection referencedAssemblies, VirtualPath virtualPath)
在 System.Web.Compilation.BaseTemplateBuildProvider.get_CodeCompilerType()
在 System.Web.Compilation.BuildProvider.GetCompilerTypeFromBuildProvider(BuildProvider buildProvider)
在 System.Web.Compilation.BuildProvidersCompiler.ProcessBuildProviders()
在 System.Web.Compilation.BuildProvidersCompiler.PerformBuild()
在 System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath virtualPath)
在 System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)
在 System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)
在 System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean noAssert)
在 System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert)
在 System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath)
在 System.Web.UI.PageHandlerFactory.GetHandler(HttpContext context, String requestType, String virtualPath, String path)
在 System.Web.HttpApplication.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
在 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)


Custom event details:

总是报错。然后回收一下应用程序池就好了。

然后过段时间可能一两天，又会出现同样的错误：

试图访问已卸载的 AppDomain。