我有一个 WCF 服务(目标 .NET 4),我需要公开 4 个端点:SOAP、POX、JSON 和 MEX。
我的配置文件如下所示:
<system.serviceModel>
<!-- bindings -->
<bindings>
<basicHttpBinding>
<binding name ="soapBinding">
<security mode="None">
</security>
</binding>
</basicHttpBinding>
<webHttpBinding>
<binding name="webBinding">
</binding>
</webHttpBinding>
</bindings>
<!-- behaviors -->
<behaviors>
<endpointBehaviors>
<!-- plain old XML -->
<behavior name="poxBehavior">
<webHttp/>
</behavior>
<!-- JSON -->
<behavior name="jsonBehavior">
<enableWebScript />
</behavior>
</endpointBehaviors>
<serviceBehaviors>
<behavior name="defaultBehavior">
<serviceDebug includeExceptionDetailInFaults="true" />
<serviceMetadata httpGetEnabled="true" />
</behavior>
</serviceBehaviors>
</behaviors>
<services>
<service name="PubtranService.Service" behaviorConfiguration="defaultBehavior">
<host>
<baseAddresses>
<add baseAddress="http://192.168.1.102:8080/PT/"/>
</baseAddresses>
</host>
<endpoint name="soap"
address="soap"
binding="basicHttpBinding"
bindingConfiguration="soapBinding"
contract="PubtranService.IService" />
<endpoint name="pox"
address="pox"
binding="webHttpBinding"
bindingConfiguration="webBinding"
behaviorConfiguration="poxBehavior"
contract="PubtranService.IService" />
<endpoint name="json"
address="json"
binding="webHttpBinding"
bindingConfiguration="webBinding"
behaviorConfiguration="jsonBehavior"
contract="PubtranService.IService" />
<endpoint name="mex"
address="mex"
binding="mexHttpBinding"
bindingConfiguration=""
contract="IMetadataExchange"/>
</service>
</services>
</system.serviceModel>
当我运行该服务时,WCF 测试客户端返回的服务msg无法添加System.NullReferenceException
-对象引用未设置为对象的实例和堆栈跟踪:
System.ServiceModel.Description.ServiceMetadataBehavior.MetadataExtensionInitializer.GenerateMetadata()
System.ServiceModel.Description.ServiceMetadataExtension.EnsureInitialized() System.ServiceModel.Description.ServiceMetadataExtension.WSMexImpl.GatherMetadata(String dialect, String identifier) System.ServiceModel.Description.ServiceMetadataExtension.WSMexImpl.Get(Message request)
SyncInvokeGet(Object , Object[] , Object[] )
System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)
System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)
System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)
System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage31(MessageRpc& rpc)
System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)
但是 JSON 和 POX 端点是可访问的并且工作得很好。另一方面,当我从配置中将它们注释掉时,WCF 测试客户端会正确显示 SOAP 服务。
目前,服务中只实现了一种简单的方法:
[ServiceContract(Namespace="http://192.168.1.102:8080/")]
public interface IService
{
[OperationContract]
[WebGet]
Tram[] GetOverview(string id);
}
为什么我要通过添加 pox 和 json 端点来制动 mex 端点?