NodeInvocationException: Prerendering failed because of error: TypeError: Cannot read property 'forRoot' of undefined #86

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opened 2025-08-09 17:14:57 +00:00 by fergalmoran · 0 comments
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Originally created by @RCneupane on 4/23/2018

#I'm using dot net core 2.0 with angular 5. when i,m trying to build in development mode im getting this issue. Its showing

NodeInvocationException: Prerendering failed because of error: TypeError: Cannot read property 'forRoot' of undefined

But I've already defined forRoot

An unhandled exception occurred while processing the request.

NodeInvocationException: Prerendering failed because of error: TypeError: Cannot read property 'forRoot' of undefined at eval (webpack-internal:///561:23:19) at eval (webpack-internal:///561:23:19) at Object.<anonymous> (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:3812:1) at __webpack_require__ (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:20:30) at eval (webpack-internal:///1149:8:92) at Object.<anonymous> (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:7961:1) at __webpack_require__ (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:20:30) at eval (webpack-internal:///740:16:77) at Object.<anonymous> (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:4918:1) at __webpack_require__ (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:20:30) at eval (webpack-internal:///724:5:70) Current directory is: C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web

Microsoft.AspNetCore.NodeServices.HostingModels.HttpNodeInstance+d__7.MoveNext()

Microsoft.AspNetCore.NodeServices.HostingModels.HttpNodeInstance+<InvokeExportAsync>d__7.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) System.Runtime.CompilerServices.TaskAwaiter.GetResult() Microsoft.AspNetCore.NodeServices.HostingModels.OutOfProcessNodeInstance+<InvokeExportAsync>d__13.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) System.Runtime.CompilerServices.TaskAwaiter.GetResult() Microsoft.AspNetCore.NodeServices.NodeServicesImpl+<InvokeExportWithPossibleRetryAsync>d__10.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() Microsoft.AspNetCore.NodeServices.NodeServicesImpl+<InvokeExportWithPossibleRetryAsync>d__10.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) System.Runtime.CompilerServices.TaskAwaiter.GetResult() Asp2017.Server.Helpers.HttpRequestExtensions+<BuildPrerender>d__1.MoveNext() in HttpRequestExtensions.cs + return await Prerenderer.RenderToString( System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) System.Runtime.CompilerServices.TaskAwaiter.GetResult() AspCoreServer.Controllers.HomeController+<Index>d__0.MoveNext() in HomeController.cs + var prerenderResult = await Request.BuildPrerender(); System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) System.Runtime.CompilerServices.TaskAwaiter.GetResult() Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeActionMethodAsync>d__12.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeNextActionFilterAsync>d__10.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context) Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted) Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeInnerFilterAsync>d__14.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker+<InvokeNextResourceFilter>d__22.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context) Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted) Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker+<InvokeFilterPipelineAsync>d__17.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker+<InvokeAsync>d__15.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Builder.RouterMiddleware+<Invoke>d__4.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Builder.Extensions.MapWhenMiddleware+<Invoke>d__3.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware+<Invoke>d__6.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.SpaServices.Webpack.ConditionalProxyMiddleware+<Invoke>d__6.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.SpaServices.Webpack.ConditionalProxyMiddleware+<Invoke>d__6.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware+<Invoke>d__7.MoveNext()

*Originally created by @RCneupane on 4/23/2018* #I'm using dot net core 2.0 with angular 5. when i,m trying to build in development mode im getting this issue. Its showing > NodeInvocationException: Prerendering failed because of error: TypeError: Cannot read property 'forRoot' of undefined But I've already defined forRoot ## An unhandled exception occurred while processing the request. `NodeInvocationException: Prerendering failed because of error: TypeError: Cannot read property 'forRoot' of undefined at eval (webpack-internal:///561:23:19) at eval (webpack-internal:///561:23:19) at Object.<anonymous> (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:3812:1) at __webpack_require__ (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:20:30) at eval (webpack-internal:///1149:8:92) at Object.<anonymous> (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:7961:1) at __webpack_require__ (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:20:30) at eval (webpack-internal:///740:16:77) at Object.<anonymous> (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:4918:1) at __webpack_require__ (C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web\ClientApp\dist\main-server.js:20:30) at eval (webpack-internal:///724:5:70) Current directory is: C:\Users\RAM CHANDRA\Source\Workspaces\Workspace\Project Troper\Troper.Web` > Microsoft.AspNetCore.NodeServices.HostingModels.HttpNodeInstance+<InvokeExportAsync>d__7.MoveNext() `Microsoft.AspNetCore.NodeServices.HostingModels.HttpNodeInstance+<InvokeExportAsync>d__7.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) System.Runtime.CompilerServices.TaskAwaiter.GetResult() Microsoft.AspNetCore.NodeServices.HostingModels.OutOfProcessNodeInstance+<InvokeExportAsync>d__13.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) System.Runtime.CompilerServices.TaskAwaiter.GetResult() Microsoft.AspNetCore.NodeServices.NodeServicesImpl+<InvokeExportWithPossibleRetryAsync>d__10.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() Microsoft.AspNetCore.NodeServices.NodeServicesImpl+<InvokeExportWithPossibleRetryAsync>d__10.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) System.Runtime.CompilerServices.TaskAwaiter.GetResult() Asp2017.Server.Helpers.HttpRequestExtensions+<BuildPrerender>d__1.MoveNext() in HttpRequestExtensions.cs + return await Prerenderer.RenderToString( System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) System.Runtime.CompilerServices.TaskAwaiter.GetResult() AspCoreServer.Controllers.HomeController+<Index>d__0.MoveNext() in HomeController.cs + var prerenderResult = await Request.BuildPrerender(); System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) System.Runtime.CompilerServices.TaskAwaiter.GetResult() Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeActionMethodAsync>d__12.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeNextActionFilterAsync>d__10.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context) Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted) Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeInnerFilterAsync>d__14.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker+<InvokeNextResourceFilter>d__22.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context) Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted) Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker+<InvokeFilterPipelineAsync>d__17.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker+<InvokeAsync>d__15.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Builder.RouterMiddleware+<Invoke>d__4.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Builder.Extensions.MapWhenMiddleware+<Invoke>d__3.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware+<Invoke>d__6.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.SpaServices.Webpack.ConditionalProxyMiddleware+<Invoke>d__6.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.SpaServices.Webpack.ConditionalProxyMiddleware+<Invoke>d__6.MoveNext() System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware+<Invoke>d__7.MoveNext()`
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Reference: github/JavaScriptServices#86
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