Hi Stéphane, Thanks for the bug report, this issue is tracked in https://issues.apache.org/jira/browse/IGNITE-14776
On Mon, Oct 18, 2021 at 1:55 PM Stéphane Gayet <stephane.ga...@misterfly.com> wrote: > Hi community, > > I'm trying to use thin client in a net5.0 project. When running the > process, I get an error when calling StartClient(). > > Exception":"System.ArgumentNullException: Value cannot be null. (Parameter > 'logger') > at Apache.Ignite.Core.Impl.Common.IgniteArgumentCheck.NotNull(Object > arg, String argName) > at Apache.Ignite.Core.Log.LoggerExtensions.Log(ILogger logger, LogLevel > level, Exception ex, String message) > at Apache.Ignite.Core.Log.LoggerExtensions.Debug(ILogger logger, > Exception ex, String message) > at Apache.Ignite.Core.Impl.Client.ClientFailoverSocket.GetIps(String > host, Boolean suppressExceptions) > at > Apache.Ignite.Core.Impl.Client.ClientFailoverSocket.<GetIpEndPoints>d__15.MoveNext() > at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) > at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source) > at > Apache.Ignite.Core.Impl.Client.ClientFailoverSocket..ctor(IgniteClientConfiguration > config, Marshaller marsh, TransactionsClient transactions) > at > Apache.Ignite.Core.Impl.Client.IgniteClient..ctor(IgniteClientConfiguration > clientConfiguration) > at Apache.Ignite.Core.Ignition.StartClient(IgniteClientConfiguration > clientConfiguration) > at MrFly.Flight.DsFeed.Infra.ThinClientDataStore..ctor(IMapper mapper, > IOptions`1 settings, ILogger`1 logger) in > /home/jenkins/agent/workspace/Connectivity/DataScience/C.Flight.DsFeed/src/DsFeed/Infra/ThinClientDataStore.cs:line > 42 > at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] > arguments, Signature sig, Boolean constructor, Boolean wrapExceptions) > at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags > invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2.VisitCallSiteMain(ServiceCallSite > callSite, TArgument argument) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitCache(ServiceCallSite > callSite, RuntimeResolverContext context, ServiceProviderEngineScope > serviceProviderEngine, RuntimeResolverLock lockType) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitScopeCache(ServiceCallSite > singletonCallSite, RuntimeResolverContext context) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2.VisitCallSite(ServiceCallSite > callSite, TArgument argument) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite > constructorCallSite, RuntimeResolverContext context) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2.VisitCallSiteMain(ServiceCallSite > callSite, TArgument argument) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitDisposeCache(ServiceCallSite > transientCallSite, RuntimeResolverContext context) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2.VisitCallSite(ServiceCallSite > callSite, TArgument argument) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.Resolve(ServiceCallSite > callSite, ServiceProviderEngineScope scope) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.DynamicServiceProviderEngine.<>c__DisplayClass1_0.<RealizeService>b__0(ServiceProviderEngineScope > scope) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceProviderEngine.GetService(Type > serviceType, ServiceProviderEngineScope serviceProviderEngineScope) > at > Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceProviderEngineScope.GetService(Type > serviceType) > at Worker.Program.Main(String[] args) in > /home/jenkins/agent/workspace/Connectivity/DataScience/C.Flight.DsFeed/src/DsFeed/Worker/Program.cs:line > > > Looking in the sources of the dotnet ignite core, I noticed that the > constructor of ClientFailoverSocket calls the method GetIpEndPoints which > in turn calls the method GetIps. > In the GetIps method, when a socket exception occurs, the method calls > *_logger.Debug()* to log the error. But the *_logger *member is not yet > setted in the *ClientFailoverSocket *constructor. > > > > Regards, > > > * Stéphane Gayet * > Responsable Développement / Development Manager > (+33) 1 70 38 70 74 +33 6 00 00 00 00 > stephane.ga...@misterfly.com > > ü *Adoptez l’éco-attitude ! 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