错误消息：服务器无法处理请求。 ---＆gt;通用语言运行时检测到无效程序

Question

一个ASP .NET应用程序使用

• SQL Server 2012
• IIS 8.5
• .NET Framework 4.0
• Windows Server 2012 R2

该应用程序在所有负载均衡应用程序服务器中的错误都低于错误。

ERROR  - User System, Module Global, Error caught in Application_Error event event
Error Message: Server was unable to process request. ---> Common Language Runtime detected an invalid program.
Stacktrace: 
Server stack trace: 
   at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc)
   at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
   at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)

Exception rethrown at [0]: 
   at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)   
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

为什么发生此错误？

在所有应用程序服务器中重新启动IIS后，问题就解决了。但是我们需要知道如何触发这种情况，以确保它不会再次发生。