fix a typo, In Serilog setup, catch pre-existing IDynamicLoggerProvider registration

Author: Tim Hess

src/Logging/src/SerilogDynamicLoggerCore/SerilogBuilderExtensions.cs

@@ -37,6 +37,11 @@ public static class SerilogBuilderExtensions
         /// <returns>The configured <see cref="ILoggingBuilder"/></returns>
         public static ILoggingBuilder AddSerilogDynamicConsole(this ILoggingBuilder builder)
         {
+            if (builder.Services.Any(sd => sd.ServiceType == typeof(IDynamicLoggerProvider)))
+            {
+                throw new InvalidOperationException("An IDynamicLoggerProvider has already been configured! Call 'AddSerilogDynamicConsole' earlier in program.cs (Before AddCloudFoundryActuators()) or remove duplicate IDynamicLoggerProvider entries.");
+            }
+
             builder.Services.AddSingleton<ISerilogOptions, SerilogOptions>();
             builder.Services.TryAddEnumerable(ServiceDescriptor.Singleton<ILoggerProvider, SerilogDynamicProvider>());
 

src/Management/src/TracingCore/Observer/AspNetCoreMvcActionObserver.cs

@@ -73,7 +73,7 @@ public override void ProcessEvent(string evnt, object arg)
 
                 HandleAfterActionEvent();
 
-                Logger?.LogTrace("HandleAfterActionEvent finsih {thread}", Thread.CurrentThread.ManagedThreadId);
+                Logger?.LogTrace("HandleAfterActionEvent finish {thread}", Thread.CurrentThread.ManagedThreadId);
             }
         }
 

src/Management/test/CloudFoundryCore.Test/CloudFoundryHostBuilderExtensionsTest.cs

@@ -152,10 +152,10 @@ public void AddCloudFoundryActuators_IHostBuilder_Serilog()
         {
             // Arrange
             var hostBuilder = Host.CreateDefaultBuilder()
-                .AddCloudFoundryActuators()
                 .ConfigureLogging(logging => logging.AddSerilogDynamicConsole())
                 .ConfigureAppConfiguration(cbuilder => cbuilder.AddInMemoryCollection(managementSettings))
-                .ConfigureWebHost(configureApp => configureApp.UseTestServer());
+                .ConfigureWebHost(configureApp => configureApp.UseTestServer())
+                .AddCloudFoundryActuators();
 
             // Act
             var host = hostBuilder.Build();