使用lightinject在aspnet核心中未解决的DI

为长篇文章道歉！

我正在尝试在aspnet核心2.1中为RabbitMQ构建一个消息监听器 . 一旦我发布消息，我在日志中收到此错误：

2018-09-29 12：35：35.459 INFO NServiceBus.RecoverabilityExecutor由于异常，立即重试将重试消息'ab43'：System.InvalidOperationException：无法解析类型：Event.Processor.Listener.CustomerReceivedHandler，服务名称：--- > System.InvalidOperationException：未解析的依赖项[目标类型：Event.Processor.Listener.CustomerReceivedHandler]，[参数：DbProvider（Event.Processor.Listener.IDbProvider）]，[请求的依赖项：ServiceType：Event.Processor.Listener.IDbProvider，ServiceName ：]在LightInject.ServiceContainer.EmitConstructorDependency的C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus.Core \ ObjectBuilder \ LightInject \ LightInject.g.cs：Line 3443中的LightInject.ServiceContainer.GetEmitMethodForDependency（依赖关系依赖）（IE Launcher ，依赖关系依赖）在LightInject.ServiceContainer.EmitConstructorDepen的C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus.Core \ ObjectBuilder \ LightInject \ LightInject.g.cs：line 3402中拒绝（ConstructionInfo constructionInfo，IEmitter emitter，Action 1 decoratorTargetEmitter) in C:\BuildAgent\work\b549d46003942065\src\NServiceBus.Core\ObjectBuilder\LightInject\LightInject.g.cs:line 3368 at LightInject.ServiceContainer.EmitNewInstanceUsingImplementingType(IEmitter emitter, ConstructionInfo constructionInfo, Action 1 decoratorTargetEmitMethod）位于C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus.Core \ ObjectBuilder \ LightInject \ LightInject.g.cs：第3329行，位于LightInject.ServiceContainer.EmitNewInstance（ServiceRegistration serviceRegistration） ，IEmitter Launcher ）在C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus.Core \ ObjectBuilder \ LightInject \ LightInject.g.cs：第3286行，位于C：\ BuildAgent中的LightInject.ServiceContainer.CreateDynamicMethodDelegate（Action 1 serviceEmitter) in C:\BuildAgent\work\b549d46003942065\src\NServiceBus.Core\ObjectBuilder\LightInject\LightInject.g.cs:line 3030 at LightInject.ServiceContainer.CreateInstanceDelegateIndex(Action 1 emitMethod） work \ b549d46003942065 \ src \ NServiceBus.Core \ ObjectBuilder \ LightInject \ LightInject.g.cs：第3868行，位于C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus中的LightInject.ServiceContainer.EmitLifetime（ServiceRegistration serviceRegistration，Action 1 emitMethod, IEmitter emitter) in C:\BuildAgent\work\b549d46003942065\src\NServiceBus.Core\ObjectBuilder\LightInject\LightInject.g.cs:line 3857 at LightInject.ServiceContainer.<>c__DisplayClass139_0.<CreateEmitMethodWrapper>b__0(IEmitter ms) in C:\BuildAgent\work\b549d46003942065\src\NServiceBus.Core\ObjectBuilder\LightInject\LightInject.g.cs:line 3109 at LightInject.ServiceContainer.CreateDynamicMethodDelegate(Action 1 serviceEmitter） .Core \ ObjectBuilder \ LightInject \ LightInject.g.cs：位于C：\ BuildAgent \的LightInject.ServiceContainer.CreateDelegate（类型serviceType，String serviceName，Boolean throwError）中的第3030行work \ b549d46003942065 \ src \ NServiceBus.Core \ ObjectBuilder \ LightInject \ LightInject.g.cs：第3915行---内部异常堆栈跟踪结束---在LightInject.ServiceContainer.CreateDelegate（类型serviceType，String serviceName，Boolean throwError）在C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus.Core \ ObjectBuilder \ LightInject \ LightInject.g.cs：第3920行，位于C：\ BuildAgent \ work \ b549d46003942065中的LightInject.ServiceContainer.CreateDefaultDelegate（类型serviceType，Boolean throwError） \ src \ NServiceBus.Core \ ObjectBuilder \ LightInject \ LightInject.g.cs：位于C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus.Core \ ObjectBuilder \ LightInject \ LightInject中LightInject.ServiceContainer.GetInstance（Type serviceType）的第3878行.g.cs：第2740行，位于C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus.Core \ Pipeline \ Incoming \ LoadHandlersConnector.cs中的LightInject.Scope.WithThisScope [T]（Func 1 function) in C:\BuildAgent\work\b549d46003942065\src\NServiceBus.Core\ObjectBuilder\LightInject\LightInject.g.cs:line 6220 at NServiceBus.LoadHandlersConnector.Invoke(IIncomingLogicalMessageContext context, Func 2阶段）：NServiceBus第45行.MutateIncomingMessageBehavior.InvokeIncomingMessageMutators（IIncomingLogica lMessageContext上下文，Func 2 next) in C:\BuildAgent\work\b549d46003942065\src\NServiceBus.Core\MessageMutators\MutateInstanceMessage\MutateIncomingMessageBehavior.cs:line 60 at NServiceBus.DeserializeLogicalMessagesConnector.Invoke(IIncomingPhysicalMessageContext context, Func 2阶段）在C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus.Core \ Pipeline \ Incoming \ DeserializeLogicalMessagesConnector.cs：第33行NServiceBus.UnitOfWorkBehavior.InvokeUnitsOfWork（IIncomingPhysicalMessageContext context，Func 2 next) in C:\BuildAgent\work\b549d46003942065\src\NServiceBus.Core\UnitOfWork\UnitOfWorkBehavior.cs:line 40 at NServiceBus.UnitOfWorkBehavior.InvokeUnitsOfWork(IIncomingPhysicalMessageContext context, Func 2 next）in C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus.Core \ UnitOfWork \ UnitOfWorkBehavior.cs：第62行，位于C：\ BuildAgent \ work \ b549d46003942065 \ src \中的NServiceBus.MutateIncomingTransportMessageBehavior.InvokeIncomingTransportMessagesMutators（IIncomingPhysicalMessageContext context，Func 2 next) in C:\BuildAgent\work\b549d46003942065\src\NServiceBus.Core\MessageMutators\MutateTransportMessage\MutateIncomingTransportMessageBehavior.cs:line 59 at NServiceBus.ProcessingStatisticsBehavior.Invoke(IIncomingPhysicalMessageContext context, Func 2 next） NServiceBus.Core \ Performance \ Statistics \ ProcessingStatisticsBehavior.cs：位于C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus.Core \ Pipeline \ Incoming \ TransportReceiveToPhysicalMessageProcessingConnector中的NServiceBus.TransportReceiveToPhysicalMessageProcessingConnector.Invoke（ITransportReceiveContext上下文，Func`2 next）第25行.cs：NServiceBus.MainPipelineExecutor.Invoke第39行（MessageContext消息） eContext）在C：\ BuildAgent \ work \ b549d46003942065 \ src \ NServiceBus.Core \ Pipeline \ MainPipelineExecutor.cs：第34行，位于NServiceBus.Transport.RabbitMQ.MessagePump.Process（BasicDeliverEventArgs message）中C：\ BuildAgent \ work \ 15dcdbe5f88af6ed \ src \ NServiceBus.Transport.RabbitMQ \ Receiving \ MessagePump.cs：第249行

的csproj：

<Project Sdk="Microsoft.NET.Sdk.Web">
  <PropertyGroup>
    <TargetFramework>netcoreapp2.1</TargetFramework>
    <AssemblyName>Event.Processor</AssemblyName>
    <RootNamespace>Event.Processor</RootNamespace>
  </PropertyGroup>
  <ItemGroup>
    <Folder Include="wwwroot\" />
  </ItemGroup>
  <ItemGroup>
    <PackageReference Include="Customer.Models" Version="1.0.21875" />
    <PackageReference Include="lightinject" Version="5.2.0" />
    <PackageReference Include="LightInject.Microsoft.DependencyInjection" Version="2.0.8" />
    <PackageReference Include="Microsoft.AspNetCore.App" />
    <PackageReference Include="nservicebus" Version="7.1.4" />
    <PackageReference Include="NServiceBus.RabbitMQ" Version="5.0.1" />
    <PackageReference Include="odp.netcore" Version="2.0.12" />
    <PackageReference Include="serilog" Version="2.7.1" />
    <PackageReference Include="Serilog.aspnetcore" Version="2.1.1" />
    <PackageReference Include="serilog.settings.configuration" Version="2.6.1" />
    <PackageReference Include="serilog.sinks.console" Version="3.1.1" />
    <PackageReference Include="serilog.sinks.file" Version="4.0.0" />
  </ItemGroup>
  <ItemGroup>
    <Content Update="appsettings.json">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
</Project>

Startup.cs

public class Startup
    {

        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseMvc();

            app.Run(async context =>
            {
                await context.Response.WriteAsync("Hello Processor");
            });
        }

        public IServiceProvider ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();

            ServiceContainer container = new ServiceContainer(new ContainerOptions
                {
                    EnablePropertyInjection = false
                });

            //The below didn't work either!
            //services.AddSingleton<IDbProvider, DbProvider>();
            //services.AddSingleton<IConfigSettings, ConfigSettings>();
            //services.AddSingleton<IEncryptor, Encryptor>();

            container.Register<IDbProvider, DbProvider>();
            container.Register<IConfigSettings, ConfigSettings>();
            container.Register<IEncryptor, Encryptor>();

            return container.CreateServiceProvider(services);
        }
    }

Program.cs中

public class Program
    {
        public static void Main(string[] args)

            try
            {
                var endpointConfiguration = new EndpointConfiguration("MSG_QUEUE");
                var transport = endpointConfiguration.UseTransport<RabbitMQTransport>();
                transport.UseConventionalRoutingTopology();
                transport.ConnectionString("ConxnString");
                endpointConfiguration.EnableInstallers();
                endpointConfiguration.SendFailedMessagesTo("error");
                endpointConfiguration.AutoSubscribe();
                endpointConfiguration.UsePersistence<InMemoryPersistence>();
                endpointConfiguration.UseSerialization<XmlSerializer>();

                Endpoint.Start(endpointConfiguration).GetAwaiter().GetResult();
                //IEndpointInstance endpointInstance = Endpoint.Start(endpointConfiguration).GetAwaiter().GetResult();
                //endpointInstance.Stop().ConfigureAwait(false);

                //Log.Information("Starting web host");
                CreateWebHostBuilder(args).Build().Run();
            }
            catch (Exception ex)
            {
                //Log.Fatal(ex, "Host terminated unexpectedly");
            }
            finally
            {
                //Log.CloseAndFlush();
            }
        }

        public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
            WebHost.CreateDefaultBuilder(args)
                .UseStartup<Startup>();
    }

MessageHandler.cs

public class CustomerReceivedHandler : IHandleMessages<PubSubObject>
    {
        private readonly IDbProvider _DbProvider;
        private static readonly ILog Log = LogManager.GetLogger<CustomerReceivedHandler>();

        public CustomerReceivedHandler(IDbProvider DbProvider)
        {
            _DbProvider = DbProvider;
            // If I don't inject and initialize as below, it works fine
            //_DbProvider = new DbProvider(new ConfigSettings(new Encryptor());
        }

        public Task Handle(PubSubObject message, IMessageHandlerContext context)
        {
            Log.Info($"Received message with id {context.MessageId}");
    }
}