它的我第一次设立的OData服务,我有一些问题,当然......与请求错误WCF数据服务
的问题是,我不能让业务正常运行,我不断收到一个“请求错误”。
我有researched问题可能是什么,我发现一个共同的问题是访问规则是错误地键入。所以我已经尝试修复这与单数名称,复数名称,我也试过typeof(Post).getType().Name
那么这里是我的代码。我希望你能帮助我,我已经坚持了几个小时。
public class ODataService : DataService<Entity>
{
// This method is called only once to initialize service-wide policies.
public static void InitializeService(DataServiceConfiguration config)
{
//config.SetEntitySetAccessRule("Users", EntitySetRights.All);
//config.SetEntitySetAccessRule("Posts", EntitySetRights.All);
//config.SetEntitySetAccessRule("Albums", EntitySetRights.All);
config.SetEntitySetAccessRule("*", EntitySetRights.AllRead);
config.SetServiceOperationAccessRule("*", ServiceOperationRights.AllRead);
//config.SetServiceOperationAccessRule("GetPosts", ServiceOperationRights.AllRead);
config.UseVerboseErrors = true;
config.DataServiceBehavior.MaxProtocolVersion = DataServiceProtocolVersion.V2;
}
[WebGet]
public IQueryable<Post> GetPosts()
{
return CurrentDataSource.Posts.AsQueryable();
}
}
我的EntityFramework类的结构(DB头)
方法和成员的实体类。这里的实体拼写为复数。
这是我的web.config:
<?xml version="1.0"?>
<!--
For more information on how to configure your ASP.NET application, please visit
http://go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<connectionStrings>
<add name="Entity" connectionString="metadata=res://*/;provider=System.Data.SqlClient;provider connection string="data source=XXX;Initial Catalog=XXX;persist security info=True;user id=XXX;password=XXX;MultipleActiveResultSets=True;App=EntityFramework"" providerName="System.Data.EntityClient" />
</connectionStrings>
<appSettings>
<add key="aspnet:UseTaskFriendlySynchronizationContext" value="true" />
<add key="ValidationSettings:UnobtrusiveValidationMode" value="WebForms" />
</appSettings>
<system.web>
<compilation debug="true" targetFramework="4.5" />
<httpRuntime requestValidationMode="4.5" targetFramework="4.5" encoderType="System.Web.Security.AntiXss.AntiXssEncoder, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
<pages controlRenderingCompatibilityVersion="4.5" />
<machineKey compatibilityMode="Framework45" />
</system.web>
<system.serviceModel>
<services>
<service name="LinkIT.Core.OData.ODataService" behaviorConfiguration ="DebugEnabled">
</service>
</services>
<behaviors>
<serviceBehaviors >
<behavior name="DebugEnabled">
<serviceDebug includeExceptionDetailInFaults="True"/>
</behavior>
</serviceBehaviors>
</behaviors>
<serviceHostingEnvironment aspNetCompatibilityEnabled="true"/>
</system.serviceModel>
</configuration>
详细的错误消息:
服务器遇到错误处理请求。消息的例外 是'值不能为空。参数名称: propertyResourceType'。查看服务器日志获取更多详细信例外 堆栈跟踪是:
在System.Data.Services.WebUtil.CheckArgumentNull [T](T值,字符串 parameterName)以在 System.Data.Services.Providers.ResourceProperty..ctor(字符串名称, ResourcePropertyKind种类,的ResourceType propertyResourceType)在 System.Data.Services.Providers.ObjectContextServiceProvider.PopulateMemberMetadata(的ResourceType resourceType为,IProviderMetadata工作区,IDictionary的 knownTypes,IDictionary的
2 childTypes, IDictionary
2 entitySets)在 System.Data.Services.Providers.BaseServiceProvider .PopulateMetadata() at System.Data.Servic es.Providers.BaseServiceProvider.LoadMetadata() 处 System.Data.Services.DataService1.HandleRequest() at System.Data.Services.DataService
1.ProcessRequestForMessage(流 消息体) System.Data.Services.DataService1.CreateMetadataAndQueryProviders(IDataServiceMetadataProvider& metadataProviderInstance, IDataServiceQueryProvider& queryProviderInstance, BaseServiceProvider& builtInProvider, Object& dataSourceInstance) at System.Data.Services.DataService
1.CreateProvider()在SyncInvokeProcessRequestForMessage(对象,对象[ ],在 System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(对象 实例 对象[]),对象[]输入,在 System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin对象[] &输出)(MessageRpc & RPC )at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc & RPC)处 System.ServiceModel.Dispatcher.ImmutableDispatchRuntime System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage41(MessageRpc & RPC)在 System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage4(MessageRpc & RPC)。ProcessMessage31(MessageRpc & RPC)处 System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage2(MessageRpc & RPC) System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage3(MessageRpc & RPC)在 System.ServiceModel.Dispatcher.ImmutableDispatchRuntime .ProcessMessage11(MessageRpc & RPC)在 System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage1(MessageRpc & RPC)在System.ServiceModel.Dispatcher.MessageRpc.Process(布尔 isOperationContextSet)
您能否按照这里的指示获取更详细的错误信息? http://blogs.msdn.com/b/phaniraj/archive/2008/06/18/debugging-ado-net-data-services.aspx –
@VitekKarasMSFT谢谢你的提示 – LazyTarget
是你的一个属性Enum /空间类型? –