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[英]Autofac - The requested service (lSomeDbContext) has not been registered
[英]The requested service ' has not been registered in Quartz.net using autofac
我正在使用 autofac 注冊 Quartz 但我遇到了一個問題,我得到了這個:
The requested service 'AuthMatcher.ConsumerSchechuler.ConsumerSchechulerJob' has not been registered. To avoid this exception, either register a component to provide the service, check for service registration using IsRegistered(), or use the ResolveOptional() method to resolve an optional dependency.
當在 jobFactory:IjobFactory 類中調用 NewJob 方法時。
工廠類:
using Autofac;
using Microsoft.Extensions.DependencyInjection;
using Quartz;
using Quartz.Spi;
using System;
namespace AuthMatcher.ConsumerSchechuler
{
public class ConsumerJobFactory : IJobFactory
{
private IScheduler _scheduler;
private readonly IContainer _container;
public ConsumerJobFactory(IContainer container)
{
_container = container;
}
public IJob NewJob(TriggerFiredBundle bundle, IScheduler scheduler)
{
//test to see what happenes, it returns null
var service = _container.ResolveOptional<ConsumerSchechulerJob>();
// this is where the exception happens
return (IJob)_container.Resolve(bundle.JobDetail.JobType);
}
public void ReturnJob(IJob job) { }
}
}
Autofac 啟動類:
namespace Workers
{
public class InstallerClass
{
private static readonly ILogger Logger = LogManager.GetCurrentClassLogger();
public static IContainer Startup()
{
var builder = new ContainerBuilder();
builder.RegisterType<Application>().As<IApplication>();
builder.RegisterType<RabbitMQImpl>().As<IQueue>().SingleInstance();
builder.RegisterType<ConsumeSchechuler>().As<IConsumeSchechuler>();
builder.RegisterType<BotFactory>().As<IBotFactory>();
var instance = QuartzInstance.Instance;
builder.RegisterType<ConsumerSchechulerJob>().As<IJob>();
builder.RegisterInstance(QuartzInstance.Instance).As<IScheduler>();
return builder.Build();
}
}
}
調用安裝並實例化 JobFactory 的主類我將從啟動類獲得的容器及其所有依賴項傳遞給 ConsumerJobFactory。
namespace Workers
{
class Program
{
static void Main(string[] args)
{
var container = InstallerClass.Startup();
using (var scope = container.BeginLifetimeScope())
{
var app = scope.Resolve<IApplication>();
var _scheduler = container.Resolve<IScheduler>();
_scheduler.JobFactory = new ConsumerJobFactory(container);
app.Run();
}
}
}
}
任何幫助將不勝感激
請求的服務
AuthMatcher.ConsumerSchechuler.ConsumerSchechulerJob
尚未注冊。 要避免此異常,請注冊組件以提供服務,使用 IsRegistered() 檢查服務注冊,或使用 ResolveOptional() 方法解析可選依賴項。
此錯誤消息表明ConsumerSchechulerJob
尚未注冊。 如果你查看你的注冊
builder.RegisterType<ConsumerSchechulerJob>().As<IJob>();
您將ConsumerSchechulerJob
注冊為IJob
但不是ConsumerSchechulerJob
,因此 Autofac 沒有對ConsumerSchechulerJob
進行任何注冊。 要解決此問題,您應該注冊它。
builder.RegisterType<ConsumerSchechulerJob>()
.As<IJob>()
.As<ConsumerSchechulerJob>();
要么
builder.RegisterType<ConsumerSchechulerJob>()
.As<IJob>()
.AsSelf();
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