I am converting my ASP.Net application from MC3 to MVC4. I have Simpleinjector code from old MVC3 days as below
WebContainer.Instance.Container.GetInstance<Func<HttpRequestBase>>();
Now this line of code is throwing exception in the new SimpleInjector version 2.8.0. My application is in .Net framework 4.0. Please advise on the stack trace below
Message: No registration for type Func could be found.
Exception type: SimpleInjector.ActivationException
Stack Trace:
at SimpleInjector.Container.ThrowMissingInstanceProducerException(Type serviceType)
at SimpleInjector.Container.GetInstance[TService]()
at Aon.Exchange.Web.UserControlBase..ctor()
at ASP.cmswebparts_aonexchange_help2_ascx..ctor()
at __ASP.FastObjectFactory_app_web_help2_ascx_f5d8491b_aknegnyf.Create_ASP_cmswebparts_aonexchange_help2_ascx()
at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
at CMS.PortalControls.CMSWebPartZone.LoadWebPart(Control container, CMSWebPartZone zone, WebPartInstance part, Boolean reloadData, Boolean isVariant)
The code for WebContainer is listed as below
this.Container = new Container();
SimpleInjectorWebInitializer.Initialize();
this.Container.RegisterPackages(GetAssemblies());
this.Container.RegisterMvcControllers(Assembly.GetExecutingAssembly());
this.Container.RegisterMvcIntegratedFilterProvider();
this.RegisterGlobalFilters();
//this.Container.Verify();
DependencyResolver.SetResolver(new SimpleInjectorDependencyResolver(this.Container));
//this.VerifyPages();
The registration of this func is as below
container.RegisterPerWebRequest<Func<HttpRequestBase>>(() => () => new HttpRequestWrapper(HttpContext.Current.Request));
Related
I am trying to inject some repository to a service and some services to a controller but I am using the DbContext is an assembly that is not the startup project but oddily when i try to call to create a migration it tells me this design is not allowed but if I call the EnsureCreated() method it allows me to create the database... what could be happening
the error
Microsoft.EntityFrameworkCore.Design.OperationException: Unable to create an object of type 'AppDbContext'. For the different patterns supported at design time, see https://go.microsoft.com/fwlink/?linkid=851728
---> System.InvalidOperationException: Unable to resolve service for type 'Microsoft.EntityFrameworkCore.DbContextOptions1[Repository.AppDbContext.AppDbContext]' while attempting to activate 'Repository.AppDbContext.AppDbContext'. at Microsoft.Extensions.DependencyInjection.ActivatorUtilities.ConstructorMatcher.CreateInstance(IServiceProvider provider) at Microsoft.Extensions.DependencyInjection.ActivatorUtilities.CreateInstance(IServiceProvider provider, Type instanceType, Object[] parameters) at Microsoft.Extensions.DependencyInjection.ActivatorUtilities.GetServiceOrCreateInstance(IServiceProvider provider, Type type) at Microsoft.EntityFrameworkCore.Design.Internal.DbContextOperations.<>c__DisplayClass13_4.<FindContextTypes>b__13() --- End of inner exception stack trace --- at Microsoft.EntityFrameworkCore.Design.Internal.DbContextOperations.<>c__DisplayClass13_4.<FindContextTypes>b__13() at Microsoft.EntityFrameworkCore.Design.Internal.DbContextOperations.CreateContext(Func1 factory)
at Microsoft.EntityFrameworkCore.Design.Internal.DbContextOperations.CreateContext(String contextType)
at Microsoft.EntityFrameworkCore.Design.Internal.MigrationsOperations.AddMigration(String name, String outputDir, String contextType, String namespace)
at Microsoft.EntityFrameworkCore.Design.OperationExecutor.AddMigrationImpl
here is the Service DI
public void ConfigureServices(IServiceCollection services)
{
services.AddDbContextPool<AppDbContext>(options =>
{
options.UseSqlServer(Configuration.GetConnectionString("ManagementServiceDb"));
});
services.AddIdentity<ApplicationUser, IdentityRole>(options => {
options.SignIn.RequireConfirmedAccount = false;
options.User.RequireUniqueEmail = true;
}).AddEntityFrameworkStores<AppDbContext>();
services.AddScoped<IRepository<Producto>, ProductoRepositorio>();
services.AddScoped<IRepository<RegistroActividad>, RegistroActividadRepositorio>();
services.AddScoped<IRepository<ProductoRegistroActividad>, RegistroActividadesProductoRepositorio>();
services.AddScoped<IRepository<TipoActividad>, TipoActividadRepositorio>();
services.AddScoped<IRepository<ApplicationUser>, UsuarioRepositorio>();
services.AddScoped<UnidadRepositorio>();
services.AddScoped<ProductosServicios>();
services.AddScoped<UsuarioServicio>();
services.AddScoped<UnidadServicios>();
services.AddControllersWithViews();
}
Try to add a parameterless constructor in your DbContext class.
If that doesn't work you might need to add a design time factory as described here.
I am choosing Empty template while creating a new asp.net core web application (.net core 3) as a option.
When I run project, I face with this error
System.TypeInitializationException: 'The type initializer for 'Microsoft.Extensions.Logging.EventSource.LoggingEventSource' threw an exception.'
Stack Trace:
at Microsoft.Extensions.Hosting.Host.<>c.<CreateDefaultBuilder>b__1_2(HostBuilderContext hostingContext, ILoggingBuilder logging)
at Microsoft.Extensions.Hosting.HostingHostBuilderExtensions.<>c__DisplayClass4_1.<ConfigureLogging>b__1(ILoggingBuilder builder)
at Microsoft.Extensions.DependencyInjection.LoggingServiceCollectionExtensions.AddLogging(IServiceCollection services, Action`1 configure)
at Microsoft.Extensions.Hosting.HostingHostBuilderExtensions.<>c__DisplayClass4_0.<ConfigureLogging>b__0(HostBuilderContext context, IServiceCollection collection)
at Microsoft.Extensions.Hosting.HostBuilder.CreateServiceProvider()
at Microsoft.Extensions.Hosting.HostBuilder.Build()
at WebApplication2.Program.Main(String[] args) in D:\WebApplication2\WebApplication2\Program.cs:line 16
Stack Trace in Inner Exception:
at System.Globalization.CompareInfo.CompareString(ReadOnlySpan`1 string1, ReadOnlySpan`1 string2, CompareOptions options)
at System.Globalization.CompareInfo.Compare(String string1, String string2, CompareOptions options)
at System.Globalization.TextInfo.PopulateIsAsciiCasingSameAsInvariant()
at System.Globalization.TextInfo.ChangeCaseCommon[TConversion](String source)
at System.Globalization.TextInfo.ToUpper(String str)
at System.String.ToUpperInvariant()
at System.Diagnostics.Tracing.EventSource.GetGuid(Type eventSourceType)
at System.Diagnostics.Tracing.EventSource..ctor(EventSourceSettings settings, String[] traits)
at System.Diagnostics.Tracing.EventSource..ctor(EventSourceSettings settings)
at Microsoft.Extensions.Logging.EventSource.LoggingEventSource..cctor()
What is this and how can I resolve it.
Thanks.
The problem was solved for me when I run the application on IIS instead of IIS Express.
I'm trying to Use this Blog for WCF RIA Applcation . So I Create a Silverlight Nevigation Applciation which gave me 2 projects abs & abs.Web
More I create 3 project in solution :
abs.Data (c#), DbContext Implemeantion of Repository Interfaces +Factory to provide What user want.
abs.Data.Contarct (c#) Interfaces for Operations Repository
abs.Data.Model (c#) - Contains POCO - EF 6
Now I created A wcf Service in abs.Web project which have constructor injection of a Repository to get my job done in operation contracts.
So I tried using Unity here under the guidence with below blog
http://jamesheppinstall.wordpress.com/2012/06/20/windows-communication-foundation-resolving-wcf-service-dependencies-with-unity/
Now I'm getting
The service type provided could not be loaded as a service because it does not have a default (parameter-less) constructor. To fix the problem, add a default constructor to the type, or pass an instance of the type to the host.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.InvalidOperationException: The service type provided could not be loaded as a service because it does not have a default (parameter-less) constructor. To fix the problem, add a default constructor to the type, or pass an instance of the type to the host.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
**Stack Trace: **
[InvalidOperationException: The service type provided could not be loaded as a service because it does not have a default (parameter-less) constructor. To fix the problem, add a default constructor to the type, or pass an instance of the type to the host.]
System.ServiceModel.Dispatcher.InstanceBehavior..ctor(DispatchRuntime dispatch, ImmutableDispatchRuntime immutableRuntime) +12761206
System.ServiceModel.Dispatcher.ImmutableDispatchRuntime..ctor(DispatchRuntime dispatch) +173
System.ServiceModel.Dispatcher.DispatchRuntime.GetRuntimeCore() +85
System.ServiceModel.Dispatcher.ChannelDispatcher.OnOpened() +148
System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout) +321
System.ServiceModel.ServiceHostBase.OnOpen(TimeSpan timeout) +139
System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout) +310
System.ServiceModel.Channels.CommunicationObject.Open() +36
System.ServiceModel.HostingManager.ActivateService(ServiceActivationInfo serviceActivationInfo, EventTraceActivity eventTraceActivity) +91
System.ServiceModel.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath, EventTraceActivity eventTraceActivity) +598
[ServiceActivationException: The service '/DomainServices/UserWcfService.svc' cannot be activated due to an exception during compilation. The exception message is: The service type provided could not be loaded as a service because it does not have a default (parameter-less) constructor. To fix the problem, add a default constructor to the type, or pass an instance of the type to the host..]
System.Runtime.AsyncResult.End(IAsyncResult result) +499812
System.ServiceModel.Activation.HostedHttpRequestAsyncResult.End(IAsyncResult result) +178
System.ServiceModel.Activation.ServiceHttpHandler.EndProcessRequest(IAsyncResult result) +6
System.Web.CallHandlerExecutionStep.OnAsyncHandlerCompletion(IAsyncResult ar) +129
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.18446
My all classes are same as like Blog.
WCF Ria has its own factory.
Simply put
public class MyDomainServiceFactory : IDomainServiceFactory
{
#region IDomainServiceFactory Members
public DomainService CreateDomainService(Type domainServiceType, DomainServiceContext context)
{
try
{
if (!typeof (DomainService).IsAssignableFrom(domainServiceType))
{
throw new ArgumentException(String.Format("Cannot create an instance of {0} since it does not inherit from DomainService", domainServiceType), "domainServiceType");
}
if (IoC.IsRegistered(domainServiceType))
{
var dmnService = (DomainService) IoC.Resolve(domainServiceType);
dmnService.Initialize(context);
return dmnService;
}
else
{
//if the IoC container doesn't know the service, simply try to call its default constructor
//could throw proper exception as well
var dmnService = (DomainService) Activator.CreateInstance(domainServiceType);
dmnService.Initialize(context);
return dmnService;
}
}
catch (Exception ex)
{
ExceptionHandler.HandleException(ex);
return null;
}
}
public void ReleaseDomainService(DomainService domainService)
{
domainService.Dispose();
}
#endregion
}
and somewhere on your bootstrapping code add
DomainService.Factory = new MyDomainServiceFactory();
of course, the word IoC in the factory identify the unityContainer (is actually a static façade against it)
I just started a new Silverlight project with Visual Studio Express 2012 for Web.
I created a Silverlight-enabled WCF service to access a SQL Server database, with EF 5.
The problem I'm having is that the service doesn't seem to be able to return any entity retrieved from the database. A new entity or any old object is returned just fine, but when I try to return an entity from the context I get the following exception:
{System.ServiceModel.CommunicationException: The remote server returned an error: NotFound. ---> System.Net.WebException: The remote server returned an error: NotFound. ---> System.Net.WebException: The remote server returned an error: NotFound.
at System.Net.Browser.BrowserHttpWebRequest.InternalEndGetResponse(IAsyncResult asyncResult)
at System.Net.Browser.BrowserHttpWebRequest.<>c__DisplayClassa.<EndGetResponse>b__9(Object sendState)
at System.Net.Browser.AsyncHelper.<>c__DisplayClass4.<BeginOnUI>b__0(Object sendState)
--- End of inner exception stack trace ---
at System.Net.Browser.AsyncHelper.BeginOnUI(SendOrPostCallback beginMethod, Object state)
at System.Net.Browser.BrowserHttpWebRequest.EndGetResponse(IAsyncResult asyncResult)
at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelAsyncRequest.CompleteGetResponse(IAsyncResult result)
--- End of inner exception stack trace ---
at System.ServiceModel.AsyncResult.End[TAsyncResult](IAsyncResult result)
at System.ServiceModel.Channels.ServiceChannel.EndCall(String action, Object[] outs, IAsyncResult result)
at System.ServiceModel.ClientBase`1.ChannelBase`1.EndInvoke(String methodName, Object[] args, IAsyncResult result)
at NewProj.DataSvcRef.DataServiceClient.DataServiceClientChannel.EndGetAgency(IAsyncResult result)
at NewProj.DataSvcRef.DataServiceClient.NewProj.DataSvcRef.DataService.EndGetAgency(IAsyncResult result)
at NewProj.DataSvcRef.DataServiceClient.OnEndGetAgency(IAsyncResult result)
at System.ServiceModel.ClientBase`1.OnAsyncCallCompleted(IAsyncResult result)}
The service method code couldn't be simpler:
[OperationContract]
public Contact GetContact(int aID)
{
Contact res = null;
using (var db = new OFBEntities())
{
try
{
res = db.Contacts.Find(aID);
}
catch (Exception ex)
{
res = null;
}
return res;
}
}
As I mentioned, if I return a newly created object (return new Contact(){ name="test contact};), or return a type that is not in context (say an integer for example), everything works fine.
Is this a limitation of the express version, or am I forgetting some settings? In the past I have created some Silverlight apps that consumed data services with VS 2010, Silverlight 4, and I don't remember having to set anything special, but maybe I just forgot that I did?
Any help is appreciated!
EDIT:
Could it have anything to do with DbContext and the way it is serialized? I've never used DbContext before, I always used the default ObjectContext in EF 4...
EDIT2: SOLUTION
It's been a while, but I had other things to work :o)
In case anybody is in the same boat, the problem was in the serialization by the service. DbContext by default creates proxies, which don't agree with serialization. I am not sure why yet - indeed, I need to educate myself about those proxies - but disabling them solves my serialization issue.
Thanks for the comment Pawel, I mistakenly thought my serialization was going OK, rechecking the server-side error put me back on the right track.
The problem was with automatic proxy creation by the DBContext, which interfered with the serialization.
Proxies are on by default in DBContext, you can disable them in the class constructor
this.Configuration.ProxyCreationEnabled = false;
or after creating an instance of your DBContext
using (var db = new myDBContext())
{
db.Configuration.ProxyCreationEnabled = false;
...
}
Not sure why yet, but it works. Time to go read up on that!
I am new to Ninject and trying to evaluate how well it compares to Windsor Castle, which I am more familiar with. My application is a WCF service application hosted in IIS. As a result, I am trying to spin-up the container/kernel and use the NinjectServiceHostFactory to create my service class, etc. Unfortunately, I'm getting an ArgumentNullException instead.
Here's the exception information:
System.ArgumentNullException
Cannot be null. Parameter name: root
at Ninject.ResolutionExtensions.GetResolutionIterator(IResolutionRoot root, Type service, Func`2 constraint, IEnumerable`1 parameters, Boolean isOptional, Boolean isUnique)
at Ninject.Extensions.Wcf.NinjectInstanceProvider.GetInstance(InstanceContext instanceContext, Message message) in C:\Development\ninject.extensions.wcf\source\Ninject.Extensions.Wcf\NinjectInstanceProvider.cs:line 75
at System.ServiceModel.Dispatcher.InstanceBehavior.GetInstance(InstanceContext instanceContext, Message request)
at System.ServiceModel.InstanceContext.GetServiceInstance(Message message)
at System.ServiceModel.Dispatcher.InstanceBehavior.EnsureServiceInstance(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage41(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage4(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage31(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage3(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage2(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage11(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage1(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)
And here is the code I am using (pared down to only what's relevant):
In TheService.svc (no code-behind):
<%# ServiceHost Language="C#"
Debug="true"
Service="MyServices.TheService"
Factory="Ninject.Extensions.Wcf.NinjectServiceHostFactory"
%>
In Global.asax.cs:
public class Global : NinjectWcfApplication
{
protected override IKernel CreateKernel()
{
var kernel = new StandardKernel(new ServiceModule());
return kernel;
}
}
In ServiceModule.cs:
internal class ServiceModule : NinjectModule
{
public override void Load()
{
Bind<ITheService>().To<TheService>();
Bind<ITheRepository>().To<TheRepository>();
}
}
All of this code appears to work fine. I put some diagnostics in to trace the method calls and the CreateKernel method is called, followed by the call to the Load method in ServiceModule which returns then CreateKernel returns. However, I get the above exception when I try to call any of the service methods in TheService.
I'm using wsHttpBinding and the service references all resolve just fine. The interfaces and implementation classes are valid. It appears the problem is occurring when the actual service instance is being retrieved from the container/kernel.
What am I missing?
I had the same problem and found that the Kernel was not set in KernelContainer.Kernel (for version 2.2 https://github.com/ninject/ninject.extensions.wcf/blob/2.2.0.0/src/Ninject.Extensions.Wcf/KernelContainer.cs) or (for version 2.3 https://github.com/ninject/ninject.extensions.wcf/blob/2.3.0.0/src/Ninject.Extensions.Wcf/NinjectServiceHostFactory.cs) in NinjectServiceHostFactory.SetKernel(IKernel kernel).
Not sure why this isn't magically set, but setting it in the CreateKernel() method in Global.asax seems to fix it.
We encountered a similar regression issue which raised this exception (i.e. Ninject was previously working, and then suddenly threw :
Cannot be null. Parameter name: root at Ninject.ResolutionExtensions.GetResolutionIterator
It was eventually tracked down to a an unrelated bug in some ProtoBuf mapping bootstrapping code, which in turn had prevented Ninject from bootstrapping correctly.
So would recommend that you run your test suites on all of the following when tracking this down:
Static constructors and static readonly member initialization
AutoMapper map bootstrapping
Serialization map bootstrapping
etc.