在Visual Studio 2013中启动aspx SOAP服务项目导致*Exception

This is a C# web services project in Visual Studio that has existed for a number of years. Today it started throwing an exception upon startup within Visual Studio, but only when the debugger is attached.

这是Visual Studio中的C＃Web服务项目，已存在多年。今天它开始在Visual Studio中启动时抛出异常，但只有在连接调试器时才会抛出异常。

The exception is:

例外是：

System.*Exception was unhandled
Message: An unhandled exception of type 'System.*Exception' occurred in mscorlib.dll

This is Visual Studio 2013 Update 3.

这是Visual Studio 2013 Update 3。

Relevant section of stack trace:

堆栈跟踪的相关部分：

System.Runtime.Serialization.dll!System.Runtime.Serialization.Json.JsonDataContract.WriteJsonValue(System.Runtime.Serialization.XmlWriterDelegator jsonWriter, object obj, System.Runtime.Serialization.Json.XmlObjectSerializerWriteContextComplexJson context, System.RuntimeTypeHandle declaredTypeHandle)   Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerialize(System.Runtime.Serialization.XmlWriterDelegator xmlWriter, object obj, bool isDeclaredType, bool writeXsiType, int declaredTypeID, System.RuntimeTypeHandle declaredTypeHandle) Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerializeReference(System.Runtime.Serialization.XmlWriterDelegator xmlWriter, object obj, bool isDeclaredType, bool writeXsiType, int declaredTypeID, System.RuntimeTypeHandle declaredTypeHandle)    Unknown
[Lightweight Function]  
System.Runtime.Serialization.dll!System.Runtime.Serialization.Json.JsonDataContract.WriteJsonValue(System.Runtime.Serialization.XmlWriterDelegator jsonWriter, object obj, System.Runtime.Serialization.Json.XmlObjectSerializerWriteContextComplexJson context, System.RuntimeTypeHandle declaredTypeHandle)   Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeAndVerifyType(System.Runtime.Serialization.DataContract dataContract, System.Runtime.Serialization.XmlWriterDelegator xmlWriter, object obj, bool verifyKnownType, System.RuntimeTypeHandle declaredTypeHandle, System.Type declaredType)    Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.Json.XmlObjectSerializerWriteContextComplexJson.SerializeWithXsiType(System.Runtime.Serialization.XmlWriterDelegator xmlWriter, object obj, System.RuntimeTypeHandle objectTypeHandle, System.Type objectType, int declaredTypeID, System.RuntimeTypeHandle declaredTypeHandle, System.Type declaredType) Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerialize(System.Runtime.Serialization.XmlWriterDelegator xmlWriter, object obj, bool isDeclaredType, bool writeXsiType, int declaredTypeID, System.RuntimeTypeHandle declaredTypeHandle) Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerializeReference(System.Runtime.Serialization.XmlWriterDelegator xmlWriter, object obj, bool isDeclaredType, bool writeXsiType, int declaredTypeID, System.RuntimeTypeHandle declaredTypeHandle)    Unknown
[Lightweight Function]  
System.Runtime.Serialization.dll!System.Runtime.Serialization.Json.JsonClassDataContract.WriteJsonValueCore(System.Runtime.Serialization.XmlWriterDelegator jsonWriter, object obj, System.Runtime.Serialization.Json.XmlObjectSerializerWriteContextComplexJson context, System.RuntimeTypeHandle declaredTypeHandle)  Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.Json.JsonDataContract.WriteJsonValue(System.Runtime.Serialization.XmlWriterDelegator jsonWriter, object obj, System.Runtime.Serialization.Json.XmlObjectSerializerWriteContextComplexJson context, System.RuntimeTypeHandle declaredTypeHandle)   Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithoutXsiType(System.Runtime.Serialization.DataContract dataContract, System.Runtime.Serialization.XmlWriterDelegator xmlWriter, object obj, System.RuntimeTypeHandle declaredTypeHandle)   Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.Json.DataContractJsonSerializer.InternalWriteObjectContent(System.Runtime.Serialization.XmlWriterDelegator writer, object graph)  Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.Json.DataContractJsonSerializer.InternalWriteObject(System.Runtime.Serialization.XmlWriterDelegator writer, object graph) Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.XmlObjectSerializer.WriteObjectHandleExceptions(System.Runtime.Serialization.XmlWriterDelegator writer, object graph, System.Runtime.Serialization.DataContractResolver dataContractResolver) Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.Json.DataContractJsonSerializer.WriteObject(System.Xml.XmlDictionaryWriter writer, object graph)  Unknown
System.Runtime.Serialization.dll!System.Runtime.Serialization.Json.DataContractJsonSerializer.WriteObject(System.IO.Stream stream, object graph)    Unknown
Microsoft.VisualStudio.Web.PageInspector.Runtime.dll!Microsoft.VisualStudio.Web.PageInspector.Runtime.Tracing.JsonUtility.Serialize(object data, System.IO.Stream outputStream) Unknown
Microsoft.VisualStudio.Web.PageInspector.Runtime.dll!Microsoft.VisualStudio.Web.PageInspector.Runtime.Tracing.RequestDataHttpHandler.System.Web.IHttpHandler.ProcessRequest(System.Web.HttpContext context) Unknown
System.Web.dll!System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()  Unknown
System.Web.dll!System.Web.HttpApplication.ExecuteStep(System.Web.HttpApplication.IExecutionStep step, ref bool completedSynchronously)  Unknown
System.Web.dll!System.Web.HttpApplication.PipelineStepManager.ResumeSteps(System.Exception error)   Unknown
System.Web.dll!System.Web.HttpApplication.BeginProcessRequestNotification(System.Web.HttpContext context, System.AsyncCallback cb)  Unknown
System.Web.dll!System.Web.HttpRuntime.ProcessRequestNotificationPrivate(System.Web.Hosting.IIS7WorkerRequest wr, System.Web.HttpContext context)    Unknown
System.Web.dll!System.Web.Hosting.PipelineRuntime.ProcessRequestNotificationHelper(System.IntPtr rootedObjectsPointer, System.IntPtr nativeRequestContext, System.IntPtr moduleData, int flags) Unknown
System.Web.dll!System.Web.Hosting.PipelineRuntime.ProcessRequestNotification(System.IntPtr rootedObjectsPointer, System.IntPtr nativeRequestContext, System.IntPtr moduleData, int flags)   Unknown
[Native to Managed Transition]  
[Managed to Native Transition]  
System.Web.dll!System.Web.Hosting.PipelineRuntime.ProcessRequestNotificationHelper(System.IntPtr rootedObjectsPointer, System.IntPtr nativeRequestContext, System.IntPtr moduleData, int flags) Unknown
System.Web.dll!System.Web.Hosting.PipelineRuntime.ProcessRequestNotification(System.IntPtr rootedObjectsPointer, System.IntPtr nativeRequestContext, System.IntPtr moduleData, int flags)   Unknown
[AppDomain Transition]  

2 个解决方案

#1

The following entry added to the web.config prevents this problem:

添加到web.config的以下条目可防止此问题：

<appSettings>
    <!--  Turn-off VS2013 BrowserLink feature which causes issues when Debugging -->
    <add key="vs:EnableBrowserLink" value="false" />

#2

The answer by redcalx is correct.

redcalx的答案是正确的。

This problem still exists in the 'latest' version of Visual Studio (2015). I ran into it and thought, might as wel try it because I am totally out of ideas.

这个问题仍然存在于Visual Studio（2015）的“最新”版本中。我遇到它并想，不妨尝试一下，因为我完全没有想法。

Well, it worked, I am so grateful.

好吧，它很有效，我很感激。

Version information: Microsoft Visual Studio Enterprise 2015 Version 14.0.25425.01 Update 3 Microsoft .NET Framework Version 4.6.01586

版本信息：Microsoft Visual Studio Enterprise 2015版本14.0.25425.01更新3 Microsoft .NET Framework版本4.6.01586

Installed Version: Enterprise Architecture and Modeling Tools 00322-80000-00000-AA466 Microsoft Architecture and Modeling Tools

已安装版本：企业体系结构和建模工具00322-80000-00000-AA466 Microsoft体系结构和建模工具

Visual C# 2015 00322-80000-00000-AA466 Microsoft Visual C# 2015 ASP.NET and Web Tools 2015.1 (Beta8) 14.1.11107.0 ASP.NET and Web Tools 2015.1 (Beta8)

Visual C＃2015 00322-80000-00000-AA466 Microsoft Visual C＃2015 ASP.NET和Web工具2015.1（Beta8）14.1.11107.0 ASP.NET和Web工具2015.1（Beta8）

ASP.NET Web Frameworks and Tools 2012.2 4.1.41102.0

ASP.NET Web框架和工具2012.2 4.1.41102.0

ASP.NET Web Frameworks and Tools 2013 5.2.40314.0

ASP.NET Web框架和工具2013 5.2.40314.0