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Azure Function v2 related issues

See original GitHub issue

Hi,

I’m trying to use RazorLight in an Azure Function v2, but I get a “Could not find or load a specific file” when it tries to compile the view.

I can’t work out where this issue lies and wondered if it had anything to do with this:

When RazorLight compiles your template - it loads all the assemblies from your entry assembly and creates MetadataReference from it. This is a default strategy and it works in 99% of the time. But sometimes compilation crashes with an exception message like “Can not find assembly My.Super.Assembly2000”. In order to solve this problem you can pass additional metadata references to RazorLight.

Any help would be appreciated 😃

Thanks

Error

[19/03/2018 1:51:18 AM] A ScriptHost error has occurred

[19/03/2018 1:51:18 AM] Exception while executing function: Maintenance. RazorLight: Could not load file or assembly 'Microsoft.Extensions.DependencyModel, Version=2.0.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'. Could not find or load a specific file. (Exception from HRESULT: 0x80131621). System.Private.CoreLib: Could not load file or assembly 'Microsoft.Extensions.DependencyModel, Version=2.0.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'.

[19/03/2018 1:51:18 AM] Exception while executing function: Maintenance

[19/03/2018 1:51:18 AM] Exception while executing function: Maintenance. RazorLight: Could not load file or assembly 'Microsoft.Extensions.DependencyModel, Version=2.0.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'. Could not find or load a specific file. (Exception from HRESULT: 0x80131621). System.Private.CoreLib: Could not load file or assembly 'Microsoft.Extensions.DependencyModel, Version=2.0.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'.

[19/03/2018 1:51:18 AM] Function completed (Failure, Id=eafaae85-9698-4b0f-ada8-13061e0837f7, Duration=2409ms)

[19/03/2018 1:51:18 AM]

[19/03/2018 1:51:18 AM] Executed 'Maintenance' (Failed, Id=eafaae85-9698-4b0f-ada8-13061e0837f7)

[19/03/2018 1:51:18 AM] System.Private.CoreLib: Exception while executing function: Maintenance. RazorLight: Could not load file or assembly 'Microsoft.Extensions.DependencyModel, Version=2.0.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'. Could not find or load a specific file. (Exception from HRESULT: 0x80131621). System.Private.CoreLib: Could not load file or assembly 'Microsoft.Extensions.DependencyModel, Version=2.0.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'.

[19/03/2018 1:51:18 AM]   Function had errors. See Azure WebJobs SDK dashboard for details. Instance ID is 'eafaae85-9698-4b0f-ada8-13061e0837f7'

[19/03/2018 1:51:18 AM] System.Private.CoreLib: Exception while executing function: Maintenance. RazorLight: Could not load file or assembly 'Microsoft.Extensions.DependencyModel, Version=2.0.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'. Could not find or load a specific file. (Exception from HRESULT: 0x80131621). System.Private.CoreLib: Could not load file or assembly 'Microsoft.Extensions.DependencyModel, Version=2.0.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'.

Code

var path = $"{ context.FunctionAppDirectory }/Templates";
var engine = new RazorLightEngineBuilder()
   .UseFilesystemProject(path)
   .UseMemoryCachingProvider()
   .Build();
string result = await engine.CompileRenderAsync("MonthlyReport.cshtml", new MonthlyReport { DateRun = DateTime.Now });

View

@using` RazorLight
@using Models
@inherits TemplatePage<MonthlyReport>
<html>
    Date run: @Model.DateRun
</html>

Model

using System;
using System.Collections.Generic;
using System.Text;

namespace Models
{
    public class MonthlyReport
    {
        public DateTime DateRun { get; set; }
    }
}

Issue Analytics

State:
Created 6 years ago
Reactions:1
Comments:10 (1 by maintainers)

Top GitHub Comments

6reactions

ThatBlokeCalledJaycommented, Mar 8, 2019

Same issue here. Sad times. Are there any updates to this?

… [08/03/2019 22:49:47] Executed ‘Render’ (Failed, Id=cbf33eb5-bef7-4d1e-8133-b4a1504b55a5) [08/03/2019 22:49:47] System.Private.CoreLib: Exception while executing function: Render. RazorLight: Can’t load metadata reference from the entry assembly. Make sure PreserveCompilationContext is set to true in *.csproj file. [08/03/2019 22:49:47] Executed HTTP request: { …

6reactions

asoetcommented, Jun 20, 2018

This results in a different error: Same as #196

System.NullReferenceException: Object reference not set to an instance of an object.
at RazorLight.Compilation.DefaultMetadataReferenceManager.Resolve(DependencyContext dependencyContext)
at RazorLight.Compilation.RoslynCompilationService.EnsureOptions()
at RazorLight.Compilation.RoslynCompilationService.get_ParseOptions()
at RazorLight.Compilation.RoslynCompilationService.CreateSyntaxTree(SourceText sourceText)
at RazorLight.Compilation.RoslynCompilationService.CreateCompilation(String compilationContent, String assemblyName)
at RazorLight.Compilation.RoslynCompilationService.CompileAndEmit(IGeneratedRazorTemplate razorTemplate)
 at RazorLight.Compilation.RoslynCompilationService.CompileAsync(IGeneratedRazorTemplate razorTemplate)
--- End of stack trace from previous location where exception was thrown ---
   at RazorLight.Compilation.TemplateFactoryProvider.CompileAsync(IGeneratedRazorTemplate razorTemplate)
at RazorLight.Compilation.TemplateFactoryProvider.CreateFactoryAsync(String templateKey)
at RazorLight.RazorLightEngine.CompileTemplateAsync(String key)
at RazorLight.RazorLightEngine.CompileRenderAsync(String key, Object model, Type modelType, ExpandoObject viewBag)

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