Installing 2sxc v18.02.00 in Oqtane v6.0.0 Causes HTTP 500.30 Error Due to Missing Assembly

[tvatavuk]

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Current Behavior / Expected Behavior

Installing 2sxc v18.02.00 in Oqtane v6.0.0 breaks the Oqtane installation, resulting in an HTTP Error 500.30 - ASP.NET Core app failed to start.

Instructions to Reproduce the Problem

1. Install Oqtane v6.0.0.
2. Install ToSic.Sxc.Oqtane.Install.18.2.0.nupkg.
3. Restart Oqtane.
4. Access the Oqtane site.

The site fails to load with an "HTTP Error 500.30 - ASP.NET Core app failed to start."

Your environment

• 2sxc version(s): 18.02.00
• Oqtane: 6.0.0
• Hosting platform: IIS

More info

An error is logged in ASP.NET Core, indicating a missing System.Runtime.Caching.dll assembly.

Application startup exception: System.IO.FileNotFoundException: Could not load file or assembly 'System.Runtime.Caching, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.
File name: 'System.Runtime.Caching, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
   at ToSic.Eav.Caching.MemoryCacheService.Notify(ICanBeCacheDependency obj)
   at ToSic.Eav.Apps.State.AppState.CacheResetTimestamp(String message, Int32 offset)
   at ToSic.Eav.Apps.State.AppState..ctor(ParentAppState parentApp, IAppIdentity id, String nameId, ILog parentLog)
   at ToSic.Eav.Apps.State.AppState.AppStateBuilder.InitForPreset()
   at ToSic.Eav.Persistence.File.AppLoader.LoadFullAppState()
   at ToSic.Eav.Internal.Loaders.EavSystemLoader.StartUp()
   at ToSic.Eav.Internal.Loaders.SystemLoader.<StartUp>b__5_0(ILogCall l)
   at ToSic.Lib.Logging.ILog_Actions.DoLogCall(ILog log, String parameters, Action`1 action, Boolean timer, Boolean enabled, String message, String cPath, String cName, Int32 cLine)
   at ToSic.Lib.Logging.ILog_Actions.Do(ILog log, Action`1 action, Boolean timer, Boolean enabled, String message, String cPath, String cName, Int32 cLine)
   at ToSic.Eav.Internal.Loaders.SystemLoader.StartUp()
   at ToSic.Sxc.Oqt.Server.StartUp.OqtStartup.Configure(IApplicationBuilder app, IWebHostEnvironment env) in C:\Projects\2sxc\2sxc\Src\Oqtane\ToSic.Sxc.Oqt.Server\StartUp\OqtStartup.cs:line 116
   at Oqtane.Extensions.ApplicationBuilderExtensions.ConfigureOqtaneAssemblies(IApplicationBuilder app, IWebHostEnvironment env) in A:\_Test\2sxc-oqtane\oqtane.framework-6.0.0-dev2\Oqtane.Server\Extensions\ApplicationBuilderExtensions.cs:line 21
   at Oqtane.Startup.Configure(IApplicationBuilder app, IWebHostEnvironment env, ISyncManager sync, ICorsService corsService, ICorsPolicyProvider corsPolicyProvider, ILogger`1 logger) in A:\_Test\2sxc-oqtane\oqtane.framework-6.0.0-dev2\Oqtane.Server\Startup.cs:line 197
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor)
   at System.Reflection.MethodBaseInvoker.InvokeWithManyArgs(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Microsoft.AspNetCore.Hosting.ConfigureBuilder.Invoke(Object instance, IApplicationBuilder builder)
   at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.Configure(IApplicationBuilder app)
   at Microsoft.AspNetCore.Hosting.WebHost.BuildApplication()