No crash (or at least no pop up) Actual behaviorĪnonymous UUID: 5A1ACA32-E194-DBE8-7B06-14A8D2EF7158 End of inner exception stack trace -Īt .ThrowIfExceptional(Boolean includeTaskCanceledExceptions)Īt .Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)Īt .KestrelEngine.CreateServer(ServerAddress address)Īt .KestrelServer.Start(IHttpApplication`1 application)Īt .WebHost.Start()Īt .Run(IWebHost host, CancellationToken token, String shutdownMessage)Īt .Run(IWebHost host) End of stack trace from previous location where exception was thrown -Īt .ThrowForNonSuccess(Task task)Īt .HandleNonSuccessAndDebuggerNotification(Task task)Īt ._9.MoveNext() (Error -48 EADDRINUSE address already in use) -> .Networking.UvException: Error -48 EADDRINUSE address already in useĪt .(Int32 statusCode)Īt .(Int32 backlog, Action`4 callback, Object state)Īt .()Īt .b_6_0(Object state) Unhandled Exception: System.AggregateException: One or more errors occurred. Project HelloMvc (.NETCoreApp,Version=v1.0) was previously compiled. My-mac:HelloMvc Administrator$ dotnet run