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Error when including client content
websharperjavascriptui next

Given client-server project, all works correctly until I include some client side content:

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[<JavaScript>]
module Client =

    let Main () =
        div [text "Test"]

module FrontEnd =
...
   let body w h : Doc list =
        [
            divAttr [attr.id "embedReportHtml"; attr.hidden "true"] [text h]
            Main w
            //div [client <@ Client.Main() @>]
        ]


module Templating =
    open WebSharper.UI.Next.Html

    type MainTemplate = Templating.Template<"Main.html">

    let Main w h =
        Content.Page(     
            MainTemplate()
                .Body(FrontEnd.body w h)
                .Doc())

module Site =
    let private HomePage (ctx: Context<EndPoint>) =
        let path = sprintf "%sRep.html" ctx.RootFolder
        Templating.Main (State.getWorkspaces()) (File.ReadAllText(path))
        
    [<Website>]
    let Main =
        Application.MultiPage (fun ctx endpoint ->
            match endpoint with
            | EndPoint.Home -> HomePage ctx
            | EndPoint.About -> HomePage ctx
        )

If I remove the comment and include the line //div client @ Client.Main() @, no problems in compilation, but at runtime I get this in internet explorer 11:

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Server Error in '/' Application.

Error in InlineControl at C:\Jenkins\workspace\zafir.ui.next\WebSharper.UI.Next\Doc.fs: 418.58-418.79: Couldn't find translation of method NCF.BPP.Client.Main. The method or type should have JavaScript attribute or a proxy, and the assembly needs to be compiled with WsFsc.exe 
  Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 

 Exception Details: System.Exception: Error in InlineControl at C:\Jenkins\workspace\zafir.ui.next\WebSharper.UI.Next\Doc.fs: 418.58-418.79: Couldn't find translation of method NCF.BPP.Client.Main. The method or type should have JavaScript attribute or a proxy, and the assembly needs to be compiled with WsFsc.exe

Source Error: 


 An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.  

Stack Trace: 



[Exception: Error in InlineControl at C:\Jenkins\workspace\zafir.ui.next\WebSharper.UI.Next\Doc.fs: 418.58-418.79: Couldn't find translation of method NCF.BPP.Client.Main. The method or type should have JavaScript attribute or a proxy, and the assembly needs to be compiled with WsFsc.exe]
   <StartupCode$WebSharper-Web>.fail@194-1.Invoke(String message) +33
   WebSharper.Web.FSharpInlineControl.WebSharper-IRequiresResources-Encode(Info meta, Provider json) +406
   Microsoft.FSharp.Primitives.Basics.List.collectToFreshConsTail(FSharpFunc`2 f, FSharpList`1 list, FSharpList`1 cons) +47
   Microsoft.FSharp.Primitives.Basics.List.collect(FSharpFunc`2 f, FSharpList`1 list) +156
   WebSharper.Sitelets.ContentModule.metaJson(Info m, Provider jP, IEnumerable`1 controls) +64
   WebSharper.Sitelets.ContentModule.writeResources(Context ctx, IEnumerable`1 controls, FSharpFunc`2 tw) +325
   WebSharper.Sitelets.ContentModule.getResourcesAndScripts(Context ctx, IEnumerable`1 controls) +146
   <StartupCode$WebSharper-UI-Next-Templating-Runtime>.write@235-1.Invoke(Context ctx, HtmlTextWriter w, Boolean r) +147
   WebSharper.UI.Next.Server.TemplateDoc.Write(Context ctx, HtmlTextWriter h, Boolean res) +22
   <StartupCode$WebSharper-UI-Next>.$Doc.Page@42-1.Invoke(Stream s) +117
   WebSharper.Sitelets.respond@187-4.Invoke(Unit unitVar) +36
   Microsoft.FSharp.Control.callA@839.Invoke(AsyncParams`1 args) +191
   Microsoft.FSharp.Control.AsyncIAsyncResult`1.GetResult() +2157250
   Microsoft.FSharp.Control.AsBeginEndHelpers.endAction(IAsyncResult iar) +71
   <StartupCode$FSharp-Core>.AsBeginEnd@1995.Invoke(IAsyncResult iar) +42
   WebSharper.Sitelets.HttpHandler.System-Web-IHttpAsyncHandler-EndProcessRequest(IAsyncResult result) +13
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9765901
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +155

  


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.2046.0

Below the compiler output, notice that it doesn't call WsFsc (I don't know why)

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1>------ Build started: Project: NCF.BPP, Configuration: Debug Any CPU ------
1>	C:\Root\Project\NCF\packages\FSharp.Compiler.Tools.4.1.23\build\..\tools\fsc.exe -o:obj\Debug\NCF.BPP.dll
1>-g
1>--debug:full
1>--noframework
1>--define:DEBUG
1>--define:TRACE
1>--optimize-
1>--tailcalls-
1>-r:C:\Program Files (x86)\Microsoft Visual Studio\Preview\Community\Common7\IDE\PublicAssemblies\FSharp.Core.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.UI.Next.4.0.4.84-rc\lib\net40\HtmlAgilityPack.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Microsoft.CSharp.dll
1>-r:C:\Root\Project\NCF\packages\Microsoft.IdentityModel.Clients.ActiveDirectory.3.16.1\lib\net45\Microsoft.IdentityModel.Clients.ActiveDirectory.dll
1>-r:C:\Root\Project\NCF\packages\Microsoft.IdentityModel.Clients.ActiveDirectory.3.16.1\lib\net45\Microsoft.IdentityModel.Clients.ActiveDirectory.Platform.dll
1>-r:C:\Root\Project\NCF\packages\Microsoft.IdentityModel.Logging.5.2.0-preview1-408290725\lib\net451\Microsoft.IdentityModel.Logging.dll
1>-r:C:\Root\Project\NCF\packages\Microsoft.IdentityModel.Tokens.5.2.0-preview1-408290725\lib\net451\Microsoft.IdentityModel.Tokens.dll
1>-r:C:\Root\Project\NCF\packages\Microsoft.PowerBI.Api.2.0.3\lib\portable45-net45+win8+wpa81\Microsoft.PowerBI.Api.dll
1>-r:C:\Root\Project\NCF\packages\Microsoft.PowerBI.Core.1.1.11\lib\net45\Microsoft.PowerBI.Core.dll
1>-r:C:\Root\Project\NCF\packages\Microsoft.Rest.ClientRuntime.2.3.10\lib\net452\Microsoft.Rest.ClientRuntime.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\mscorlib.dll
1>-r:C:\Root\Project\NCF\NCF.BPP.PowerBI.JSExtension\bin\Debug\NCF.BPP.PowerBI.JSExtension.dll
1>-r:C:\Root\Project\NCF\packages\Newtonsoft.Json.10.0.3\lib\net45\Newtonsoft.Json.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Configuration.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Core.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.IdentityModel.dll
1>-r:C:\Root\Project\NCF\packages\System.IdentityModel.Tokens.Jwt.5.2.0-preview1-408290725\lib\net451\System.IdentityModel.Tokens.Jwt.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Net.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Net.Http.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Net.Http.WebRequest.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Numerics.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Runtime.Caching.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Runtime.Serialization.dll
1>-r:C:\Root\Project\NCF\packages\System.ValueTuple.4.4.0\lib\netstandard1.0\System.ValueTuple.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Web.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Xml.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Xml.Linq.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.4.0.189.96-rc\lib\net40\WebSharper.Collections.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.4.0.189.96-rc\lib\net40\WebSharper.Control.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.4.0.189.96-rc\lib\net40\WebSharper.Core.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.4.0.189.96-rc\lib\net40\WebSharper.Core.JavaScript.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.4.0.189.96-rc\lib\net40\WebSharper.InterfaceGenerator.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.4.0.189.96-rc\lib\net40\WebSharper.JavaScript.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.4.0.189.96-rc\lib\net40\WebSharper.JQuery.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.4.0.189.96-rc\lib\net40\WebSharper.Main.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.4.0.189.96-rc\lib\net40\WebSharper.Sitelets.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.UI.Next.4.0.4.84-rc\lib\net40\WebSharper.UI.Next.CSharp.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.UI.Next.4.0.4.84-rc\lib\net40\WebSharper.UI.Next.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.UI.Next.4.0.4.84-rc\lib\net40\WebSharper.UI.Next.Templating.Common.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.UI.Next.4.0.4.84-rc\lib\net40\WebSharper.UI.Next.Templating.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.UI.Next.4.0.4.84-rc\lib\net40\WebSharper.UI.Next.Templating.Runtime.dll
1>-r:C:\Root\Project\NCF\packages\WebSharper.4.0.189.96-rc\lib\net40\WebSharper.Web.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Collections.Concurrent.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Collections.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.ComponentModel.Annotations.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.ComponentModel.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.ComponentModel.EventBasedAsync.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Diagnostics.Contracts.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Diagnostics.Debug.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Diagnostics.Tools.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Diagnostics.Tracing.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Dynamic.Runtime.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Globalization.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.IO.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Linq.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Linq.Expressions.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Linq.Parallel.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Linq.Queryable.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Net.NetworkInformation.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Net.Primitives.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Net.Requests.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.ObjectModel.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Reflection.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Reflection.Emit.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Reflection.Emit.ILGeneration.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Reflection.Emit.Lightweight.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Reflection.Extensions.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Reflection.Primitives.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Resources.ResourceManager.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Runtime.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Runtime.Extensions.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Runtime.InteropServices.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Runtime.InteropServices.WindowsRuntime.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Runtime.Numerics.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Runtime.Serialization.Json.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Runtime.Serialization.Primitives.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Runtime.Serialization.Xml.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Security.Principal.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.ServiceModel.Duplex.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.ServiceModel.Http.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.ServiceModel.NetTcp.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.ServiceModel.Primitives.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.ServiceModel.Security.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Text.Encoding.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Text.Encoding.Extensions.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Text.RegularExpressions.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Threading.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Threading.Tasks.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Threading.Tasks.Parallel.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Threading.Timer.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Xml.ReaderWriter.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Xml.XDocument.dll
1>-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Facades\System.Xml.XmlSerializer.dll
1>--target:library
1>--warnaserror:76
1>--vserrors
1>--utf8output
1>--fullpaths
1>--flaterrors
1>--subsystemversion:6.00
1>--highentropyva+
1>AssemblyInfo.fs
1>PowerBI.fs
1>State.fs
1>ReportsOrg.fs
1>Reports.fs
1>Remoting.fs
1>Client.fs
1>Main.fs
1>Global.asax.fs
1>C:\Users\Administrator\AppData\Local\Temp\.NETFramework,Version=v4.5.2.AssemblyAttributes.fs
1>
1>	NCF.BPP -> C:\Root\Project\NCF\NCF.BPP\bin\NCF.BPP.dll
========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========
.

Hi,

Do you have the WebSharper.FSharp package installed? The compiler exe redirection is done in \packages\WebSharper.FSharp.4.0.189.96-rc\build\WebSharper.FSharp.targets an Import tag for it should have been added to the project file by the NuGet installer that runs during Visual Studio template instantiation. Can you check if the targets file and the Import are both there? Does the issue persists after restarting Visual Studio and a rebuild?

By on 9/15/2017 3:56 AM ()

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