info: Yarp.ReverseProxy.Configuration.ConfigProvider.ConfigurationConfigProvider[1]
      Loading proxy data from config.
Unhandled exception. System.ArgumentException: Headers provided in an invalid format.
   at OpenTelemetry.Exporter.OtlpExporterOptionsExtensions.<>c__DisplayClass2_0`1.<GetHeaders>b__0(String pair)
   at System.Array.ForEach[T](T[] array, Action`1 action)
   at OpenTelemetry.Exporter.OtlpExporterOptionsExtensions.GetHeaders[THeaders](OtlpExporterOptions options, Action`3 addHeader)
   at OpenTelemetry.Exporter.OtlpExporterOptionsExtensions.GetMetadataFromHeaders(OtlpExporterOptions options)
   at OpenTelemetry.Exporter.OpenTelemetryProtocol.Implementation.ExportClient.BaseOtlpGrpcExportClient`1..ctor(OtlpExporterOptions options)
   at OpenTelemetry.Exporter.OpenTelemetryProtocol.Implementation.ExportClient.OtlpGrpcMetricsExportClient..ctor(OtlpExporterOptions options, MetricsServiceClient metricsServiceClient)
   at OpenTelemetry.Exporter.OtlpExporterOptionsExtensions.GetMetricsExportClient(OtlpExporterOptions options)
   at OpenTelemetry.Exporter.OtlpMetricExporter..ctor(OtlpExporterOptions options, IExportClient`1 exportClient)
   at OpenTelemetry.Exporter.OtlpMetricExporter..ctor(OtlpExporterOptions options)
   at OpenTelemetry.Metrics.OtlpMetricExporterExtensions.BuildOtlpExporterMetricReader(OtlpExporterOptions exporterOptions, MetricReaderOptions metricReaderOptions, IServiceProvider serviceProvider, Func`2 configureExporterInstance)
   at OpenTelemetry.Metrics.OtlpMetricExporterExtensions.<>c__DisplayClass2_0.<AddOtlpExporter>b__1(IServiceProvider sp)
   at OpenTelemetry.Metrics.MeterProviderBuilderExtensions.<>c__DisplayClass2_0.<AddReader>b__0(IServiceProvider sp, MeterProviderBuilder builder)
   at OpenTelemetry.Metrics.OpenTelemetryDependencyInjectionMetricsServiceCollectionExtensions.ConfigureMeterProviderBuilderCallbackWrapper.ConfigureBuilder(IServiceProvider serviceProvider, MeterProviderBuilder meterProviderBuilder)
   at OpenTelemetry.Metrics.MeterProviderSdk..ctor(IServiceProvider serviceProvider, Boolean ownsServiceProvider)
   at OpenTelemetry.Metrics.MeterProviderBuilderBase.<>c.<.ctor>b__3_0(IServiceProvider sp)
   at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2.VisitCallSiteMain(ServiceCallSite callSite, TArgument argument)
   at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitRootCache(ServiceCallSite callSite, 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.ServiceProvider.CreateServiceAccessor(Type serviceType)
   at System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory)
   at Microsoft.Extensions.DependencyInjection.ServiceProvider.GetService(Type serviceType, ServiceProviderEngineScope serviceProviderEngineScope)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetService[T](IServiceProvider provider)
   at OpenTelemetry.Extensions.Hosting.Implementation.TelemetryHostedService.Initialize(IServiceProvider serviceProvider)
   at OpenTelemetry.Extensions.Hosting.Implementation.TelemetryHostedService.StartAsync(CancellationToken cancellationToken)
   at Microsoft.Extensions.Hosting.Internal.Host.StartAsync(CancellationToken cancellationToken)
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.Run(IHost host)
   at Program.<Main>$(String[] args)