C# WCF异步调用引发异常，该异常会转到未处理的异常处理程序-调用堆栈中没有我的代码

我正在从Windows Phone（7.0、7.1 SDK）向ASP.NET打WCF电话。在某些情况下（我无法在emulator或我的任何设备上实现这一点），未处理的异常处理程序会为其中一个调用中发生的异常触发（澄清-这都是在客户端上-而不是在服务器上）。我看到了两种情况（它们经常发生）。我以前从未遇到过这个问题（在旧版本上没有，在使用相同WCF代理代码的其他应用程序上也没有）

有人知道为什么会发生这种情况，以及如何发生吗？我能做些什么来解决这个问题

发生这种情况的第一个调用堆栈是：

System.ServiceModel.ProtocolException: The content type text/html of the response message does not match the content type of the binding (text/xml; charset=utf-8). If using a custom encoder, be sure that the IsContentTypeSupported method is implemented properly. The first 75 bytes of the response were: 'The page cannot be displayed because an internal server error has occurred.'. ---> System.Net.WebException: The remote server returned an error: NotFound. ---> System.Net.WebException: The remote server returned an error: NotFound.    at    
System.Net.Browser.ClientHttpWebRequest.InternalEndGetResponse(IAsyncResult asyncResult)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClass2.<EndGetResponse>b__1(Object sendState)    at    
System.Net.Browser.AsyncHelper.<>c__DisplayClass4.<BeginOnUI>b__0(Object sendState)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(RuntimeMethodInfo rtmi, Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture, Boolean isBinderDefault, Assembly caller, Boolean verifyAccess, StackCrawlMark& stackMark)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, StackCrawlMark& stackMark)    at    
System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)    at    
System.Delegate.DynamicInvokeOne(Object[] args)    at    
System.MulticastDelegate.DynamicInvokeImpl(Object[] args)    at    
System.Windows.Threading.Dispatcher.<>c__DisplayClass4.<FastInvoke>b__3()    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(RuntimeMethodInfo rtmi, Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture, Boolean isBinderDefault, Assembly caller, Boolean verifyAccess, StackCrawlMark& stackMark)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, StackCrawlMark& stackMark)    at    
System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)    at    
System.Delegate.DynamicInvokeOne(Object[] args)    at    
System.MulticastDelegate.DynamicInvokeImpl(Object[] args)    at    
System.Windows.Threading.DispatcherOperation.Invoke()    at    
System.Windows.Threading.Dispatcher.Dispatch(DispatcherPriority priority)    at    
System.Windows.Threading.Dispatcher.OnInvoke(Object context)    at    
System.Windows.Hosting.CallbackCookie.Invoke(Object[] args)    at    
System.Windows.RuntimeHost.ManagedHost.InvokeDelegate(IntPtr pHandle, Int32 nParamCount, ScriptParam[] pParams, ScriptParam& pResult)     at    
System.Net.Browser.AsyncHelper.BeginOnUI(SendOrPostCallback beginMethod, Object state)    at    
System.Net.Browser.ClientHttpWebRequest.EndGetResponse(IAsyncResult asyncResult)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompleteGetResponse(IAsyncResult result)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.OnGetResponse(IAsyncResult result)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClassa.<InvokeGetResponseCallback>b__8(Object state2)    at    
System.Threading.ThreadPool.WorkItem.doWork(Object o)    at    
System.Threading.Timer.ring()     at    
System.ServiceModel.Channels.HttpChannelUtilities.ValidateRequestReplyResponse(HttpWebRequest request, HttpWebResponse response, HttpChannelFactory factory, WebException responseException)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.ProcessResponse(HttpWebResponse response, WebException responseException)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompleteGetResponse(IAsyncResult result)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.OnGetResponse(IAsyncResult result)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClassa.<InvokeGetResponseCallback>b__8(Object state2)       

System.ServiceModel.EndpointNotFoundException: There was no endpoint listening at    
http://MyServer.com/Fail/FailService.svc that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details. ---> System.Net.WebException: The remote server returned an error: NotFound. ---> System.Net.WebException: The remote server returned an error: NotFound.    at    
System.Net.Browser.ClientHttpWebRequest.InternalEndGetResponse(IAsyncResult asyncResult)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClass2.<EndGetResponse>b__1(Object sendState)    at    
System.Net.Browser.AsyncHelper.<>c__DisplayClass4.<BeginOnUI>b__0(Object sendState)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(RuntimeMethodInfo rtmi, Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture, Boolean isBinderDefault, Assembly caller, Boolean verifyAccess, StackCrawlMark& stackMark)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, StackCrawlMark& stackMark)    at    
System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)    at    
System.Delegate.DynamicInvokeOne(Object[] args)    at    
System.MulticastDelegate.DynamicInvokeImpl(Object[] args)    at    
System.Windows.Threading.Dispatcher.<>c__DisplayClass4.<FastInvoke>b__3()    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(RuntimeMethodInfo rtmi, Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture, Boolean isBinderDefault, Assembly caller, Boolean verifyAccess, StackCrawlMark& stackMark)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, StackCrawlMark& stackMark)    at    
System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)    at    
System.Delegate.DynamicInvokeOne(Object[] args)    at    
System.MulticastDelegate.DynamicInvokeImpl(Object[] args)    at    
System.Windows.Threading.DispatcherOperation.Invoke()    at    
System.Windows.Threading.Dispatcher.Dispatch(DispatcherPriority priority)    at    
System.Windows.Threading.Dispatcher.OnInvoke(Object context)    at    
System.Windows.Hosting.CallbackCookie.Invoke(Object[] args)    at    
System.Windows.RuntimeHost.ManagedHost.InvokeDelegate(IntPtr pHandle, Int32 nParamCount, ScriptParam[] pParams, ScriptParam& pResult)     at    
System.Net.Browser.AsyncHelper.BeginOnUI(SendOrPostCallback beginMethod, Object state)    at    
System.Net.Browser.ClientHttpWebRequest.EndGetResponse(IAsyncResult asyncResult)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompleteGetResponse(IAsyncResult result)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.OnGetResponse(IAsyncResult result)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClassa.<InvokeGetResponseCallback>b__8(Object state2)    at    
System.Threading.ThreadPool.WorkItem.doWork(Object o)    at    
System.Threading.Timer.ring()     at    
System.ServiceModel.Channels.HttpChannelUtilities.ProcessGetResponseWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompleteGetResponse(IAsyncResult result)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.OnGetResponse(IAsyncResult result)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClassa.<InvokeGetResponseCallback>b__8(Object state2)    at    
System.Threading.ThreadPool.WorkItem.doWork(Object o)    at    
System.Threading.Timer.ring()    

System.ServiceModel.ProtocolException:响应消息的内容类型text/html与绑定的内容类型不匹配（text/xml；charset=utf-8）。如果使用自定义编码器，请确保正确实现IsContentTypeSupported方法。响应的前75个字节是：“由于发生内部服务器错误，无法显示页面。”——>System.Net.WebException:远程服务器返回错误：NotFound。-->System.Net.WebException:远程服务器返回错误：NotFound。在
System.Net.Browser.ClientHttpWebRequest.InternalEndGetResponse（IAsyncResult asyncResult）位于
System.Net.Browser.ClientHttpWebRequest.c__显示Class2.b__1（对象发送状态）位于
System.Net.Browser.AsyncHelper.c__显示Class4.b__0（对象发送状态）位于
System.Reflection.RuntimeMethodInfo.InternalInvoke（RuntimeMethodInfo rtmi、对象obj、BindingFlags invokeAttr、Binder Binder、对象参数、CultureInfo区域性、Boolean isBinderDefault、程序集调用者、Boolean verifyAccess、StackCrawlMark和stackMark）位于
System.Reflection.RuntimeMethodInfo.InternalInvoke（对象obj、BindingFlags invokeAttr、绑定器绑定器、对象[]参数、CultureInfo区域性、堆栈爬网标记和堆栈标记）位于
System.Reflection.MethodBase.Invoke（对象obj，对象[]参数）位于
System.Delegate.DynamicInvokeOne（对象[]args）位于
System.MulticastDelegate.DynamicInvokeImpl（对象[]args）位于
System.Windows.Threading.Dispatcher.c__DisplayClass4.b__3（）位于
System.Reflection.RuntimeMethodInfo.InternalInvoke（RuntimeMethodInfo rtmi、对象obj、BindingFlags invokeAttr、Binder Binder、对象参数、CultureInfo区域性、Boolean isBinderDefault、程序集调用者、Boolean verifyAccess、StackCrawlMark和stackMark）位于
System.Reflection.RuntimeMethodInfo.InternalInvoke（对象obj、BindingFlags invokeAttr、绑定器绑定器、对象[]参数、CultureInfo区域性、堆栈爬网标记和堆栈标记）位于
System.Reflection.MethodBase.Invoke（对象obj，对象[]参数）位于
System.Delegate.DynamicInvokeOne（对象[]args）位于
System.MulticastDelegate.DynamicInvokeImpl（对象[]args）位于
System.Windows.Threading.DispatcherOperation.Invoke（）位于
System.Windows.Threading.Dispatcher.Dispatch（DispatcherPriority优先级）位于
System.Windows.Threading.Dispatcher.OnInvoke（对象上下文）位于
System.Windows.Hosting.CallbackCookie.Invoke（对象[]args）位于
System.Windows.RuntimeHost.ManagedHost.InvokeDelegate（IntPtr pHandle、Int32 nParamCount、ScriptParam[]pParams、ScriptParam&pResult）位于
System.Net.Browser.AsyncHelper.BeginNoui（SendOrPostCallback beginMethod，对象状态）位于
System.Net.Browser.ClientHttpWebRequest.EndGetResponse（IAsyncResult asyncResult）位于
位于的System.ServiceModel.Channel.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompletGetResponse（IAsyncResult结果）
位于的System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.OnGetResponse（IAsyncResult结果）
System.Net.Browser.ClientHttpWebRequest.c__显示ClassA.b__8（对象状态2）位于
位于的System.Threading.ThreadPool.WorkItem.doWork（对象o）
位于的System.Threading.Timer.ring（）
System.ServiceModel.Channels.HttpChannelUtilities.ValidateRequestReplyResponse（HttpWebRequest请求、HttpWebResponse响应、HttpChannelFactory工厂、WebException响应Exception）位于
位于的System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.ProcessResponse（HttpWebResponse响应，WebException响应Exception）
位于的System.ServiceModel.Channel.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompletGetResponse（IAsyncResult结果）
位于的System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.OnGetResponse（IAsyncResult结果）
System.Net.Browser.ClientHttpWebRequest.c__显示ClassA.b__8（对象状态2）

发生这种情况的第二个回调是：

System.ServiceModel.ProtocolException: The content type text/html of the response message does not match the content type of the binding (text/xml; charset=utf-8). If using a custom encoder, be sure that the IsContentTypeSupported method is implemented properly. The first 75 bytes of the response were: 'The page cannot be displayed because an internal server error has occurred.'. ---> System.Net.WebException: The remote server returned an error: NotFound. ---> System.Net.WebException: The remote server returned an error: NotFound.    at    
System.Net.Browser.ClientHttpWebRequest.InternalEndGetResponse(IAsyncResult asyncResult)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClass2.<EndGetResponse>b__1(Object sendState)    at    
System.Net.Browser.AsyncHelper.<>c__DisplayClass4.<BeginOnUI>b__0(Object sendState)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(RuntimeMethodInfo rtmi, Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture, Boolean isBinderDefault, Assembly caller, Boolean verifyAccess, StackCrawlMark& stackMark)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, StackCrawlMark& stackMark)    at    
System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)    at    
System.Delegate.DynamicInvokeOne(Object[] args)    at    
System.MulticastDelegate.DynamicInvokeImpl(Object[] args)    at    
System.Windows.Threading.Dispatcher.<>c__DisplayClass4.<FastInvoke>b__3()    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(RuntimeMethodInfo rtmi, Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture, Boolean isBinderDefault, Assembly caller, Boolean verifyAccess, StackCrawlMark& stackMark)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, StackCrawlMark& stackMark)    at    
System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)    at    
System.Delegate.DynamicInvokeOne(Object[] args)    at    
System.MulticastDelegate.DynamicInvokeImpl(Object[] args)    at    
System.Windows.Threading.DispatcherOperation.Invoke()    at    
System.Windows.Threading.Dispatcher.Dispatch(DispatcherPriority priority)    at    
System.Windows.Threading.Dispatcher.OnInvoke(Object context)    at    
System.Windows.Hosting.CallbackCookie.Invoke(Object[] args)    at    
System.Windows.RuntimeHost.ManagedHost.InvokeDelegate(IntPtr pHandle, Int32 nParamCount, ScriptParam[] pParams, ScriptParam& pResult)     at    
System.Net.Browser.AsyncHelper.BeginOnUI(SendOrPostCallback beginMethod, Object state)    at    
System.Net.Browser.ClientHttpWebRequest.EndGetResponse(IAsyncResult asyncResult)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompleteGetResponse(IAsyncResult result)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.OnGetResponse(IAsyncResult result)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClassa.<InvokeGetResponseCallback>b__8(Object state2)    at    
System.Threading.ThreadPool.WorkItem.doWork(Object o)    at    
System.Threading.Timer.ring()     at    
System.ServiceModel.Channels.HttpChannelUtilities.ValidateRequestReplyResponse(HttpWebRequest request, HttpWebResponse response, HttpChannelFactory factory, WebException responseException)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.ProcessResponse(HttpWebResponse response, WebException responseException)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompleteGetResponse(IAsyncResult result)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.OnGetResponse(IAsyncResult result)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClassa.<InvokeGetResponseCallback>b__8(Object state2)       

System.ServiceModel.EndpointNotFoundException: There was no endpoint listening at    
http://MyServer.com/Fail/FailService.svc that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details. ---> System.Net.WebException: The remote server returned an error: NotFound. ---> System.Net.WebException: The remote server returned an error: NotFound.    at    
System.Net.Browser.ClientHttpWebRequest.InternalEndGetResponse(IAsyncResult asyncResult)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClass2.<EndGetResponse>b__1(Object sendState)    at    
System.Net.Browser.AsyncHelper.<>c__DisplayClass4.<BeginOnUI>b__0(Object sendState)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(RuntimeMethodInfo rtmi, Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture, Boolean isBinderDefault, Assembly caller, Boolean verifyAccess, StackCrawlMark& stackMark)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, StackCrawlMark& stackMark)    at    
System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)    at    
System.Delegate.DynamicInvokeOne(Object[] args)    at    
System.MulticastDelegate.DynamicInvokeImpl(Object[] args)    at    
System.Windows.Threading.Dispatcher.<>c__DisplayClass4.<FastInvoke>b__3()    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(RuntimeMethodInfo rtmi, Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture, Boolean isBinderDefault, Assembly caller, Boolean verifyAccess, StackCrawlMark& stackMark)    at    
System.Reflection.RuntimeMethodInfo.InternalInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, StackCrawlMark& stackMark)    at    
System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)    at    
System.Delegate.DynamicInvokeOne(Object[] args)    at    
System.MulticastDelegate.DynamicInvokeImpl(Object[] args)    at    
System.Windows.Threading.DispatcherOperation.Invoke()    at    
System.Windows.Threading.Dispatcher.Dispatch(DispatcherPriority priority)    at    
System.Windows.Threading.Dispatcher.OnInvoke(Object context)    at    
System.Windows.Hosting.CallbackCookie.Invoke(Object[] args)    at    
System.Windows.RuntimeHost.ManagedHost.InvokeDelegate(IntPtr pHandle, Int32 nParamCount, ScriptParam[] pParams, ScriptParam& pResult)     at    
System.Net.Browser.AsyncHelper.BeginOnUI(SendOrPostCallback beginMethod, Object state)    at    
System.Net.Browser.ClientHttpWebRequest.EndGetResponse(IAsyncResult asyncResult)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompleteGetResponse(IAsyncResult result)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.OnGetResponse(IAsyncResult result)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClassa.<InvokeGetResponseCallback>b__8(Object state2)    at    
System.Threading.ThreadPool.WorkItem.doWork(Object o)    at    
System.Threading.Timer.ring()     at    
System.ServiceModel.Channels.HttpChannelUtilities.ProcessGetResponseWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompleteGetResponse(IAsyncResult result)    at    
System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.OnGetResponse(IAsyncResult result)    at    
System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClassa.<InvokeGetResponseCallback>b__8(Object state2)    at    
System.Threading.ThreadPool.WorkItem.doWork(Object o)    at    
System.Threading.Timer.ring()    

System.ServiceModel.EndpointNotFoundException:在上没有端点侦听
http://MyServer.com/Fail/FailService.svc 这可以接受这个信息。这通常是由不正确的地址或SOAP操作引起的。有关更多详细信息，请参阅InnerException（如果存在）。->System.Net.WebException:远程服务器返回错误：NotFound。-->System.Net.WebException:远程服务器返回错误：NotFound。在
System.Net.Browser.ClientHttpWebRequest.InternalEndGetResponse（IAsyncResult asyncResult）位于
System.Net.Browser.ClientHttpWebRequest.c__显示Class2.b__1（对象发送状态）位于
System.Net.Browser.AsyncHelper.c__显示Class4.b__0（对象发送状态）位于
System.Reflection.RuntimeMethodInfo.InternalInvoke（RuntimeMethodInfo rtmi、对象obj、BindingFlags invokeAttr、Binder Binder、对象参数、CultureInfo区域性、Boolean isBinderDefault、程序集调用者、Boolean verifyAccess、StackCrawlMark和stackMark）位于
System.Reflection.RuntimeMethodInfo.InternalInvoke（对象obj、BindingFlags invokeAttr、绑定器绑定器、对象[]参数、CultureInfo区域性、堆栈爬网标记和堆栈标记）位于