Question

我有一个asp.net客户端Web应用程序和一个从schema xsd开发的WCF Web服务。在调用服务时，我在反序列化请求主体时出错。我尝试更新服务参考，但没有帮助。

这是我的代码：

OSEOP.HMA_OrderingBindingClient client = new OSEOP.HMA_OrderingBindingClient();

OSEOP.GetCapabilitiesRequest request = new OSEOP.GetCapabilitiesRequest();
request.GetCapabilities = new OSEOP.GetCapabilities();
request.GetCapabilities.service = "OS";

string[] arrAcceptedVersions = { "1.0.0", "2.0.0" };
request.GetCapabilities.AcceptVersions = arrAcceptedVersions;

OSEOP.Capabilities capabilities = client.GetCapabilities(request.GetCapabilities);


txtGetCapabilitiesResponse.Text = capabilities.Contents.ToString();

client.Close();

这是错误：

System.ServiceModel.FaultException`1 was unhandled by user code
  Message=Error in deserializing body of request message for operation 'GetCapabilities'.
  Source=mscorlib
  StackTrace:
    Server stack trace: 
       at System.ServiceModel.Channels.ServiceChannel.ThrowIfFaultUnderstood(Message reply, MessageFault fault, String action, MessageVersion version, FaultConverter faultConverter)
       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 OSEOP.HMA_OrderingBinding.GetCapabilities(GetCapabilitiesRequest request)
       at OSEOP.HMA_OrderingBindingClient.OSEOP.HMA_OrderingBinding.GetCapabilities(GetCapabilitiesRequest request) in c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\oseop_testclient\023fa9f5\ea876945\App_WebReferences.k9c5tqe1.0.cs:line 44135
       at OSEOP.HMA_OrderingBindingClient.GetCapabilities(GetCapabilities GetCapabilities1) in c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\oseop_testclient\023fa9f5\ea876945\App_WebReferences.k9c5tqe1.0.cs:line 44141
       at _Default.cmdGetCapabilities_Click(Object sender, EventArgs e) in d:\Documents\DEV\SARPilot\SVN_repository\Services\OrderingServices\TestClient\Default.aspx.cs:line 30
       at System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument)
       at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
  InnerException:

如您所见，错误发生在客户端，永远不会发送到WCF服务。出于这个原因，我在MessageLogging中没有得到任何东西。这就是我认为它与服务参考有关的原因。

有人可以帮忙吗？

编辑＃1： 我不明白的是GetCapabilities采用GetCapabilitiesRequest参数，但是当我实现客户端时，我的intellisense要求输入OSEOP.GetCapabilities对象。

OSEOP就是我所说的网络参考。

public class OrderingService : HMA_OrderingBinding
{
    public GetCapabilitiesResponse GetCapabilities(GetCapabilitiesRequest request)
    {
        throw new NotImplementedException();
    }
}

[System.CodeDom.Compiler.GeneratedCodeAttribute("System.ServiceModel", "3.0.0.0")]
[System.ServiceModel.ServiceContractAttribute(Namespace = "http://www.opengis.net/oseop/1.0", ConfigurationName = "HMA_OrderingBinding")]
public interface HMA_OrderingBinding
{
    [OperationContract]
    [XmlSerializerFormatAttribute]
    GetCapabilitiesResponse GetCapabilities(GetCapabilitiesRequest request);
}



/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute("svcutil", "3.0.4506.2152")]
[System.SerializableAttribute()]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "http://www.opengis.net/oseop/1.0")]
public partial class Capabilities : CapabilitiesBaseType
{

    private OrderingServiceContentsType contentsField;

    private NotificationProducerMetadataPropertyType notificationsField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Order = 0)]
    public OrderingServiceContentsType Contents
    {
        get
        {
            return this.contentsField;
        }
        set
        {
            this.contentsField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Order = 1)]
    public NotificationProducerMetadataPropertyType Notifications
    {
        get
        {
            return this.notificationsField;
        }
        set
        {
            this.notificationsField = value;
        }
    }
}

[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.CodeDom.Compiler.GeneratedCodeAttribute("System.ServiceModel", "3.0.0.0")]
[System.ServiceModel.MessageContractAttribute(IsWrapped = false)]
public partial class GetCapabilitiesRequest
{

    [System.ServiceModel.MessageBodyMemberAttribute(Namespace = "http://www.opengis.net/oseop/1.0", Order = 0)]
    public GetCapabilities GetCapabilities;

    public GetCapabilitiesRequest()
    {
    }

    public GetCapabilitiesRequest(GetCapabilities GetCapabilities)
    {
        this.GetCapabilities = GetCapabilities;
    }
}

编辑＃2 @Marc：马克，你的回答非常有帮助。但是你看到服务器端是这样的：

GetCapabilitiesResponse GetCapabilities(GetCapabilitiesRequest request)

然而我的intellisense认为它是这样的：

Capabilities GetCapabilities(GetCapabilities GetCapabilities1)

我在IOrder.cs文件中发现了一段代码（从架构生成的47,256行代码），我确信这会导致问题，但我尝试将故障功能注释掉，更新服务引用，以及我的intellisense 仍然想要GetCapabilities GetCapabilities1

[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.CodeDom.Compiler.GeneratedCodeAttribute("System.ServiceModel", "3.0.0.0")]
public partial class HMA_OrderingBindingClient : System.ServiceModel.ClientBase<HMA_OrderingBinding>, HMA_OrderingBinding
{

    public HMA_OrderingBindingClient()
    {
    }

    [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)]
    GetCapabilitiesResponse HMA_OrderingBinding.GetCapabilities(GetCapabilitiesRequest request)
    {
        return base.Channel.GetCapabilities(request);
    }

    public Capabilities GetCapabilities(GetCapabilities GetCapabilities1)
    {
        GetCapabilitiesRequest inValue = new GetCapabilitiesRequest();
        inValue.GetCapabilities = GetCapabilities1;
        GetCapabilitiesResponse retVal = ((HMA_OrderingBinding)(this)).GetCapabilities(inValue);
        return retVal.Capabilities;
    }
}

Answer 1

两个问题：

为什么要创建一个包含子对象GetCapabilitiesRequest的{{1}}对象，然后在方法调用中，只使用包含的子对象GetCapabilities ??

那么为什么不首先创建GetCapabilities并忘记包装对象？
另外，您可以显示我们GetCapabilities和GetCapabilitiesRequest以及返回班级GetCapabilities吗？如果你有一个反序列化错误，很可能这些类的东西是不正确的......

更新：感谢您对问题的更新.... 嗯......乍一看似乎找不到任何明显错误的东西......

关于您的问题：

我不明白的是 Capabilities需要一个 GetCapabilities参数但是当我正在实施客户时，我的 intellisense要求a GetCapabilitiesRequest对象。

是的，很明显 - 您的服务端使用其一组类 - OSEOP.GetCapabilities等等。

在Visual Studio中执行GetCapabilitiesRequest时，VS所做的是

询问服务器以了解服务 - 它有哪些方法以及它需要什么参数
它为客户端代理创建了一组副本 - 在Add Service Reference对话框中定义的名称空间中。这些类看起来与服务器端类完全相同 - 但它们不相同的类 - 它们只是序列化为XML（并从XML反序列化），与服务器上的类相同。这就是为什么您的客户端代理在不同的命名空间中具有不同的类。这是标准的WCF行为 - 没什么可惊慌的......

更新号码2 ：Carlos，您发给我的架构似乎不完整或有错误。尝试使用OGC project on CodePlex作为基础并手动构建代码或等到架构“正式”发布。

WCF反序列化操作的请求消息正文时出错

1 个答案: