C# WCF:NetMsmq而非Http的应用程序池挂起后出现自定义ServiceHostFactory错误
我创建了一个自定义主机工厂,以支持基于容器的服务实例化和不完美的异步取消。该服务按每次呼叫进行实例化:C# WCF:NetMsmq而非Http的应用程序池挂起后出现自定义ServiceHostFactory错误,c#,wcf,iis,netmsmqbinding,C#,Wcf,Iis,Netmsmqbinding,我创建了一个自定义主机工厂,以支持基于容器的服务实例化和不完美的异步取消。该服务按每次呼叫进行实例化: public class DIServiceHostFactory : ServiceHostFactory { protected IContainer Container { get; private set; } public DIServiceHostFactory() : this(ContainerFactory.GetContainerForMap
public class DIServiceHostFactory : ServiceHostFactory
{
protected IContainer Container { get; private set; }
public DIServiceHostFactory()
: this(ContainerFactory.GetContainerForMap<DIServiceHostFactory>())
{
}
public DIServiceHostFactory(IContainer container)
{
this.Container = container;
}
protected override System.ServiceModel.ServiceHost CreateServiceHost(Type serviceType, Uri[] baseAddresses)
{
return new DIServiceHost(this.Container, serviceType, baseAddresses);
}
}
public class DIServiceHost : ServiceHost
{
protected IContainer Container { get; private set; }
public DIServiceHost() : this(ContainerFactory.GetContainerForMap<DIServiceHost>()) { }
public DIServiceHost(IContainer container)
{
this.Container = container;
}
public DIServiceHost(IContainer container, Type serviceType, params Uri[] baseAddresses) : base(serviceType, baseAddresses)
{
this.Container = container;
}
protected override void OnOpening()
{
Description.Behaviors.Add(CreateBehavior());
base.OnOpening();
}
protected virtual DIServiceBehavior CreateBehavior()
{
return new DIServiceBehavior(this.Container);
}
}
public class DIServiceBehavior : IServiceBehavior
{
protected IContainer Container { get; private set; }
public DIServiceBehavior(IContainer container)
{
this.Container = container;
}
public virtual void AddBindingParameters(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase, Collection<ServiceEndpoint> endpoints, BindingParameterCollection bindingParameters)
{
}
protected virtual DIInstanceProvider ConstructProvider(ServiceDescription description)
{
return new DIInstanceProvider(description.ServiceType, Container);
}
public virtual void ApplyDispatchBehavior(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
{
foreach (ChannelDispatcher cd in serviceHostBase.ChannelDispatchers.OfType<ChannelDispatcher>())
{
foreach (EndpointDispatcher ed in cd.Endpoints)
{
ed.DispatchRuntime.InstanceProvider = ConstructProvider(serviceDescription);
}
}
}
public virtual void Validate(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
{
}
}
public class DIInstanceProvider : IInstanceProvider
{
protected Type ServiceType { get; private set; }
protected IContainer Container { get; private set; }
protected ILogger Logger { get; private set; }
public DIInstanceProvider(Type serviceType, IContainer container)
{
this.ServiceType = serviceType;
this.Container = container;
ILogger logger;
container.TryResolve<ILogger>(out logger);
this.Logger = logger;
}
public virtual object GetInstance(InstanceContext instanceContext, Message message)
{
if (this.Logger != null)
this.Logger.Info(message.ToString());
CancellationTokenSource cancellationToken = new CancellationTokenSource();
var s = this.Container.Resolve(this.ServiceType);
var service = s as ICancellableService;
if (service != null)
{
service.CancellationToken = cancellationToken.Token;
instanceContext.Faulted += (sender, e) => cancellationToken.Cancel();
instanceContext.Closing += (sender, e) => cancellationToken.Cancel();
}
return s;
}
public object GetInstance(InstanceContext instanceContext)
{
return GetInstance(instanceContext, null);
}
public virtual void ReleaseInstance(InstanceContext instanceContext, object instance)
{
}
}
当MSMQ点击我的容器时,它似乎没有被配置。目前,我在Global.asax.Application\u Start事件中调用我的引导程序,是否有更好的地方调用它?发现:
解释处理非http激活初始化的几个选项。发现:
解释处理非http激活初始化的几个选项
WebHost failed to process a request.
Sender Information: System.ServiceModel.ServiceHostingEnvironment+HostingManager/17653682
Exception: System.ServiceModel.ServiceActivationException: The service '/MerchReport/reportconsumer.svc' cannot be activated due to an exception during compilation. The exception message is: Object reference not set to an instance of an object.. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at United.UEL.WCF.DIInstanceProvider..ctor(Type serviceType, IContainer container)
at United.UEL.WCF.DIServiceBehavior.ConstructProvider(ServiceDescription description)
at United.UEL.WCF.DIServiceBehavior.ApplyDispatchBehavior(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
at System.ServiceModel.Description.DispatcherBuilder.InitializeServiceHost(ServiceDescription description, ServiceHostBase serviceHost)
at System.ServiceModel.ServiceHostBase.InitializeRuntime()
at System.ServiceModel.ServiceHostBase.OnBeginOpen()
at System.ServiceModel.ServiceHostBase.OnOpen(TimeSpan timeout)
at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout)
at System.ServiceModel.Channels.CommunicationObject.Open()
at System.ServiceModel.ServiceHostingEnvironment.HostingManager.ActivateService(ServiceActivationInfo serviceActivationInfo, EventTraceActivity eventTraceActivity)
at System.ServiceModel.ServiceHostingEnvironment.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath, EventTraceActivity eventTraceActivity)
--- End of inner exception stack trace ---
at System.ServiceModel.ServiceHostingEnvironment.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath, EventTraceActivity eventTraceActivity)
at System.ServiceModel.ServiceHostingEnvironment.EnsureServiceAvailableFast(String relativeVirtualPath, EventTraceActivity eventTraceActivity)
Process Name: w3wp
Process ID: 13740