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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Producing a working SpaServices NuGet package","articleBody":"I am unable to create a working NuGet package for `SpaServices` locally on my Windows machine (tried dev and master branches). Following a `dotnet restore`, I am running the following from both `NodeServices` and `SpaServices` directories.\n\n``` bash\ndotnet pack -c Release --version-suffix custom-1 -o /c/dev/nuget\n```\n\nIn my project, `SpaServices` will successfully upgrade from the official package to my custom version (with as yet unchanged source), however the next `dotnet run` fails at `UseWebpackDevMiddleware()` with the exception below. I've checked my cache in ~/.nuget and everything appears to be in order with the package.\n\n```\nUnhandled Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---\u003e System.AggregateException: One or more errors occurred. (Call to Node module failed with error: Error: Cannot find module 'C:\\Users\\Matt\\AppData\\Local\\Temp\\tmp2C5.tmp'\n    at Function.Module._resolveFilename (module.js:440:15)\n    at Function.Module._load (module.js:388:25)\n    at Module.require (module.js:468:17)\n    at require (internal/module.js:20:19)\n    at C:\\Users\\Matt\\AppData\\Local\\Temp\\tmp382.tmp:104:34\n    at IncomingMessage.\u003canonymous\u003e (C:\\Users\\Matt\\AppData\\Local\\Temp\\tmp382.tmp:128:35)\n    at emitNone (events.js:86:13)\n    at IncomingMessage.emit (events.js:185:7)\n    at endReadableNT (_stream_readable.js:973:12)\n    at _combinedTickCallback (internal/process/next_tick.js:74:11)) ---\u003e System.Exception: Call to Node module failed with error: Error: Cannot find module 'C:\\Users\\Matt\\AppData\\Local\\Temp\\tmp2C5.tmp'\n    at Function.Module._resolveFilename (module.js:440:15)\n    at Function.Module._load (module.js:388:25)\n    at Module.require (module.js:468:17)\n    at require (internal/module.js:20:19)\n    at C:\\Users\\Matt\\AppData\\Local\\Temp\\tmp382.tmp:104:34\n    at IncomingMessage.\u003canonymous\u003e (C:\\Users\\Matt\\AppData\\Local\\Temp\\tmp382.tmp:128:35)\n    at emitNone (events.js:86:13)\n    at IncomingMessage.emit (events.js:185:7)\n    at endReadableNT (_stream_readable.js:973:12)\n    at _combinedTickCallback (internal/process/next_tick.js:74:11)\n   at Microsoft.AspNetCore.NodeServices.HostingModels.HttpNodeInstance.\u003cInvokeExportAsync\u003ed__7`1.MoveNext()\n--- End of stack trace from previous location where exception was thrown ---\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\n   at Microsoft.AspNetCore.NodeServices.HostingModels.OutOfProcessNodeInstance.\u003cInvokeExportAsync\u003ed__12`1.MoveNext()\n\n--- End of stack trace from previous location where exception was thrown ---\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\n   at Microsoft.AspNetCore.NodeServices.NodeServicesImpl.\u003cInvokeExportWithPossibleRetryAsync\u003ed__9`1.MoveNext()\n   --- End of inner exception stack trace ---\n   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)\n   at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)\n   at Microsoft.AspNetCore.Builder.WebpackDevMiddleware.UseWebpackDevMiddleware(IApplicationBuilder appBuilder, WebpackDevMiddlewareOptions options)\n   at Trainline.ContactCentre.Host.Startup.Configure(IApplicationBuilder app, IHostingEnvironment env)\n   --- End of inner exception stack trace ---\n   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)\n\n   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)\n   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)\n   at Microsoft.AspNetCore.Hosting.Internal.ConfigureBuilder.Invoke(Object instance, IApplicationBuilder builder)\n   at Microsoft.AspNetCore.Hosting.Internal.WebHost.BuildApplication()\n   at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()\n   at Trainline.ContactCentre.Host.Program.Main(String[] args)\n```\n\nFrom Startup.cs:\n\n``` csharp\napp.UseWebpackDevMiddleware(new WebpackDevMiddlewareOptions\n{\n    HotModuleReplacement = true,\n    ReactHotModuleReplacement = true\n});\n```\n\nMy packages.json:\n\n``` json\n{\n  \"version\": \"0.1.0\",\n  \"buildOptions\": {\n    \"debugType\": \"portable\",\n    \"emitEntryPoint\": true,\n    \"preserveCompilationContext\": true\n  },\n  \"dependencies\": {\n    \"Microsoft.AspNetCore.Diagnostics\": \"1.0.0\",\n    \"Microsoft.AspNetCore.Mvc\": \"1.0.0\",\n    \"Microsoft.AspNetCore.Server.Kestrel\": \"1.0.0\",\n    \"Microsoft.AspNetCore.SpaServices\": \"1.0.0-custom-1\",\n    \"Microsoft.AspNetCore.StaticFiles\": \"1.0.0\",\n    \"Microsoft.Extensions.Configuration.CommandLine\": \"1.0.0\",\n    \"Microsoft.Extensions.Configuration.EnvironmentVariables\": \"1.0.0\"\n  },\n  \"frameworks\": {\n    \"netcoreapp1.0\": {\n      \"dependencies\": {\n        \"Microsoft.NETCore.App\": {\n          \"type\": \"platform\",\n          \"version\": \"1.0.0\"\n        }\n      },\n      \"imports\": \"dnxcore50\"\n    }\n  }\n}\n```\n","author":{"url":"https://github.com/mattwcole","@type":"Person","name":"mattwcole"},"datePublished":"2016-08-14T22:02:00.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/261/JavaScriptServices/issues/261"}