使用Visual Studio for Mac（社区7.3），我试图从Lynda.com的“学习ASP.NET核心MVC”第3章运行示例项目，该第3章介绍了“使用Razor渲染HTML” .
我构建了find但是当我尝试在浏览器中加载时，我得到以下错误：
处理请求时发生未处理的异常 . InvalidOperationException：无法找到包“Newtonsoft.Json”的编译库位置Microsoft.Extensions.DependencyModel.CompilationLibrary.ResolveReferencePaths（）堆栈查询Cookie标头InvalidOperationException：无法找到包“Newtonsoft.Json”的编译库位置Microsoft.Extensions.DependencyModel .CompilationLibrary.ResolveReferencePaths（）System.Linq.Enumerable d__157.MoveNext（）Microsoft.AspNetCore.Mvc.Razor.Compilation.MetadataReferenceFeatureProvider.PopulateFeature（IEnumerable parts，MetadataReferenceFeature feature）Microsoft.AspNetCore.Mvc.ApplicationParts.ApplicationPartManager.PopulateFeature（TFeature feature ）Microsoft.AspNetCore.Mvc.Razor.Internal.DefaultRoslynCompilationService.GetCompilationReferences（）System.Threading.LazyInitializer.EnsureInitializedCore（ref T target，ref bool initialized，ref object syncLock，Func valueFactory）Microsoft.AspNetCore.Mvc.Razor.Internal.DefaultRoslynCompilationService .get_CompilationReferences（） Microsoft.AspNetCore.Mvc.Razor.Internal.DefaultRoslynCompilationService.Compile（RelativeFileInfo fileInfo，string compilationContent）Microsoft.AspNetCore.Mvc.Razor.Internal.CompilerCache.CreateCacheEntry（string relativePath，string normalizedPath，Func compile）System.Runtime.CompilerServices.TaskAwaiter .ThrowForNonSuccess（任务任务）System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务）Microsoft.AspNetCore.Mvc.Razor.Internal.CompilerCache.GetOrAdd（string relativePath，Func compile）Microsoft.AspNetCore.Mvc.Razor.Internal.DefaultRazorPageFactoryProvider .CreateFactory（string relativePath）Microsoft.AspNetCore.Mvc.Razor.RazorViewEngine.CreateCacheResult（HashSet expirationTokens，string relativePath，bool isMainPage）Microsoft.AspNetCore.Mvc.Razor.RazorViewEngine.OnCacheMiss（ViewLocationExpanderContext expanderContext，ViewLocationCacheKey cacheKey）Microsoft.AspNetCore.Mvc .Razor.RazorViewEngine.LocatePageFromViewLocations（ActionContext actionCon text，string pageName，bool isMainPage）Microsoft.AspNetCore.Mvc.Razor.RazorViewEngine.FindView（ActionContext context，string viewName，bool isMainPage）Microsoft.AspNetCore.Mvc.ViewEngines.CompositeViewEngine.FindView（ActionContext context，string viewName，bool isMainPage） Microsoft.AspNetCore.Mvc.ViewFeatures.Internal.ViewResultExecutor.FindView（ActionContext actionContext，ViewResult viewResult）Microsoft.AspNetCore.Mvc.ViewResult d__26.MoveNext（）System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（Task task）System.Runtime.CompilerServices .TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务）Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker d__32.MoveNext（）System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（任务任务）System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务）Microsoft . AspNetCore.Mvc.Internal.ControllerActionInvoker d__31.MoveNext（）Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoke r d__29.MoveNext（）System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（Task task）System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（Task task）Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker d__23.MoveNext（）Microsoft.AspNetCore . Mvc.Internal.ControllerActionInvoker d__18.MoveNext（）System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（Task task）System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（Task task）Microsoft.AspNetCore.Builder.RouterMiddleware d__4.MoveNext（）System . Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（任务任务）System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务）System.Runtime.CompilerServices.TaskAwaiter.GetResult（）ExploreCalifornia.Startup <> c <b__3_0> d.MoveNext（）in Startup.cs等待next（）; System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（任务任务）System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务）Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware d__6.MoveNext（）显示原始异常详细信息