Open sotiriszegiannis opened 1 year ago
I have the same problem.
Hi @sotiriszegiannis , thanks for reporting this issue. I will look at it and try to fix it as soon as possible.
Thanks in advance. If you dont have time, i would appreciated if you just pointed on the right direction on how to troubleshoot, meaning where i could focus my attention.
Greatly appreciated! I ll have a look and post back here.
I have followed your instructions and it worked. However if i create a new project, i get an error System.DllNotFoundException: e_sqlite3. I have make sure, that all the right parameters are set in the project file, to much the code sample, i downloaded from your git repo. The nuget package references are also identical. Bottom line is that, the code works in your project file, but not if i create a new one. I m using VS Studio 2022 17.5.3. I m using the same VS IDE to publish both projects. So its not an IDE issue. Moreover the publishing configuration is identical. I also tried AOT which did NOT make any difference. I would appreciate any hints on where to look. I ve been trying to solve this issue for 2-3 days now, so any help would be appreciated. I m adding bellow the entire error, just in case you might find some extra useful information.
crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
Unhandled exception rendering component: TypeInitialization_Type, Microsoft.Data.Sqlite.SqliteConnection
System.TypeInitializationException: TypeInitialization_Type, Microsoft.Data.Sqlite.SqliteConnection
---> System.Reflection.TargetInvocationException: Arg_TargetInvocationException
---> System.DllNotFoundException: e_sqlite3
at SQLitePCL.SQLite3Provider_e_sqlite3.SQLitePCL.ISQLite3Provider.sqlite3_libversion_number()
at SQLitePCL.raw.SetProvider(ISQLite3Provider imp)
at SQLitePCL.Batteries_V2.Init()
at System.Reflection.RuntimeMethodInfo.Invoke(Object , BindingFlags , Binder , Object[] , CultureInfo )
Exception_EndOfInnerExceptionStack
at System.Reflection.RuntimeMethodInfo.Invoke(Object , BindingFlags , Binder , Object[] , CultureInfo )
at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)
at Microsoft.Data.Sqlite.SqliteConnection..cctor()
Exception_EndOfInnerExceptionStack
at Microsoft.Extensions.DependencyInjection.SqliteServiceCollectionExtensions.<>c.<AddEntityFrameworkSqlite>b__1_1(IServiceProvider sp)
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitFactory(FactoryCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSiteMain(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitRootCache(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSite(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSiteMain(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitCache(ServiceCallSite , RuntimeResolverContext , ServiceProviderEngineScope , RuntimeResolverLock )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitScopeCache(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSite(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSiteMain(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitCache(ServiceCallSite , RuntimeResolverContext , ServiceProviderEngineScope , RuntimeResolverLock )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitScopeCache(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSite(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSiteMain(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitCache(ServiceCallSite , RuntimeResolverContext , ServiceProviderEngineScope , RuntimeResolverLock )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitScopeCache(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSite(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSiteMain(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitCache(ServiceCallSite , RuntimeResolverContext , ServiceProviderEngineScope , RuntimeResolverLock )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitScopeCache(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSite(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.Resolve(ServiceCallSite , ServiceProviderEngineScope )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeServiceProviderEngine.<>c__DisplayClass4_0.<RealizeService>b__0(ServiceProviderEngineScope )
at Microsoft.Extensions.DependencyInjection.ServiceProvider.GetService(Type , ServiceProviderEngineScope )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceProviderEngineScope.GetService(Type )
at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider , Type )
at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[ModelCreationDependencies](IServiceProvider )
at Microsoft.EntityFrameworkCore.Internal.DbContextServices.CreateModel(Boolean designTime)
at Microsoft.EntityFrameworkCore.Internal.DbContextServices.get_Model()
at Microsoft.EntityFrameworkCore.Infrastructure.EntityFrameworkServicesBuilder.<>c.<TryAddCoreServices>b__8_4(IServiceProvider p)
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitFactory(FactoryCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSiteMain(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitCache(ServiceCallSite , RuntimeResolverContext , ServiceProviderEngineScope , RuntimeResolverLock )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitScopeCache(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSite(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSiteMain(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitCache(ServiceCallSite , RuntimeResolverContext , ServiceProviderEngineScope , RuntimeResolverLock )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitScopeCache(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSite(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSiteMain(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitCache(ServiceCallSite , RuntimeResolverContext , ServiceProviderEngineScope , RuntimeResolverLock )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitScopeCache(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSite(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSiteMain(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitCache(ServiceCallSite , RuntimeResolverContext , ServiceProviderEngineScope , RuntimeResolverLock )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitScopeCache(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSite(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSiteMain(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitCache(ServiceCallSite , RuntimeResolverContext , ServiceProviderEngineScope , RuntimeResolverLock )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitScopeCache(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSite(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSiteMain(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitCache(ServiceCallSite , RuntimeResolverContext , ServiceProviderEngineScope , RuntimeResolverLock )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitScopeCache(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].VisitCallSite(ServiceCallSite , RuntimeResolverContext )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.Resolve(ServiceCallSite , ServiceProviderEngineScope )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeServiceProviderEngine.<>c__DisplayClass4_0.<RealizeService>b__0(ServiceProviderEngineScope )
at Microsoft.Extensions.DependencyInjection.ServiceProvider.GetService(Type , ServiceProviderEngineScope )
at Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceProviderEngineScope.GetService(Type )
at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider , Type )
at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[IDbContextDependencies](IServiceProvider )
at Microsoft.EntityFrameworkCore.DbContext.get_DbContextDependencies()
at Microsoft.EntityFrameworkCore.DbContext.get_ContextServices()
at Microsoft.EntityFrameworkCore.DbContext.get_Model()
at Microsoft.EntityFrameworkCore.Internal.InternalDbSet`1[[TestingThingsBlazorApp.User, TestingThingsBlazorApp, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].get_EntityType()
at Microsoft.EntityFrameworkCore.Internal.InternalDbSet`1[[TestingThingsBlazorApp.User, TestingThingsBlazorApp, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].CheckState()
at Microsoft.EntityFrameworkCore.Internal.InternalDbSet`1[[TestingThingsBlazorApp.User, TestingThingsBlazorApp, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].get_EntityQueryable()
at Microsoft.EntityFrameworkCore.Internal.InternalDbSet`1[[TestingThingsBlazorApp.User, TestingThingsBlazorApp, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].System.Collections.Generic.IEnumerable<TEntity>.GetEnumerator()
at System.Collections.Generic.List`1[[TestingThingsBlazorApp.User, TestingThingsBlazorApp, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]]..ctor(IEnumerable`1 )
at System.Linq.Enumerable.ToList[User](IEnumerable`1 source)
at TestingThingsBlazorApp.Services.UsersService.GetUsers()
at TestingThingsBlazorApp.Services.UsersService.GetUsers()
at TestingThingsBlazorApp.Pages.Users.OnInitializedAsync()
at Microsoft.AspNetCore.Components.ComponentBase.RunInitAndSetParametersAsync()
I will have a look 👍
Greatly appreciated!
Hi, and thank you for creating this demo repo! I m trying to run it in release mode but i get an the following error in the browser:d__16
blazor.webassembly.js:1 System.AggregateException: One or more errors occurred. (Serialization and deserialization of 'System.IntPtr' instances are not supported. Path: $.WaitHandle.Handle.) ---> System.NotSupportedException: Serialization and deserialization of 'System.IntPtr' instances are not supported. Path: $.WaitHandle.Handle. ---> System.NotSupportedException: Serialization and deserialization of 'System.IntPtr' instances are not supported. at System.Text.Json.Serialization.Converters.UnsupportedTypeConverter
1[[System.IntPtr, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Write(Utf8JsonWriter writer, IntPtr value, JsonSerializerOptions options) at System.Text.Json.Serialization.JsonConverter1[[System.IntPtr, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TryWrite(Utf8JsonWriter writer, IntPtr& value, JsonSerializerOptions options, WriteStack& state) at System.Text.Json.Serialization.Metadata.JsonPropertyInfo
1[[System.IntPtr, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GetMemberAndWriteJson(Object obj, WriteStack& state, Utf8JsonWriter writer) at System.Text.Json.Serialization.Converters.ObjectDefaultConverter1[[System.Threading.WaitHandle, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].OnTryWrite(Utf8JsonWriter writer, WaitHandle value, JsonSerializerOptions options, WriteStack& state) at System.Text.Json.Serialization.JsonConverter
1[[System.Threading.WaitHandle, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TryWrite(Utf8JsonWriter writer, WaitHandle& value, JsonSerializerOptions options, WriteStack& state) at System.Text.Json.Serialization.Metadata.JsonPropertyInfo1[[System.Threading.WaitHandle, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GetMemberAndWriteJson(Object obj, WriteStack& state, Utf8JsonWriter writer) at System.Text.Json.Serialization.Converters.ObjectDefaultConverter
1[[System.Threading.CancellationToken, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].OnTryWrite(Utf8JsonWriter writer, CancellationToken value, JsonSerializerOptions options, WriteStack& state) at System.Text.Json.Serialization.JsonConverter1[[System.Threading.CancellationToken, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TryWrite(Utf8JsonWriter writer, CancellationToken& value, JsonSerializerOptions options, WriteStack& state) at System.Text.Json.Serialization.JsonConverter
1[[System.Threading.CancellationToken, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TryWriteAsObject(Utf8JsonWriter writer, Object value, JsonSerializerOptions options, WriteStack& state) at System.Text.Json.Serialization.JsonConverter1[[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TryWrite(Utf8JsonWriter writer, Object& value, JsonSerializerOptions options, WriteStack& state) at System.Text.Json.Serialization.Converters.ArrayConverter
2[[System.Object[], System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].OnWriteResume(Utf8JsonWriter writer, Object[] array, JsonSerializerOptions options, WriteStack& state) at System.Text.Json.Serialization.JsonCollectionConverter2[[System.Object[], System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Object, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].OnTryWrite(Utf8JsonWriter writer, Object[] value, JsonSerializerOptions options, WriteStack& state) at System.Text.Json.Serialization.JsonConverter
1[[System.Object[], System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TryWrite(Utf8JsonWriter writer, Object[]& value, JsonSerializerOptions options, WriteStack& state) at System.Text.Json.Serialization.JsonConverter1[[System.Object[], System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].WriteCore(Utf8JsonWriter writer, Object[]& value, JsonSerializerOptions options, WriteStack& state) --- End of inner exception stack trace --- at System.Text.Json.ThrowHelper.ThrowNotSupportedException(WriteStack& state, NotSupportedException ex) at System.Text.Json.Serialization.JsonConverter
1[[System.Object[], System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].WriteCore(Utf8JsonWriter writer, Object[]& value, JsonSerializerOptions options, WriteStack& state) at System.Text.Json.JsonSerializer.WriteUsingSerializer[Object[]](Utf8JsonWriter writer, Object[]& value, JsonTypeInfo jsonTypeInfo) at System.Text.Json.JsonSerializer.WriteStringUsingSerializer[Object[]](Object[]& value, JsonTypeInfo jsonTypeInfo) at System.Text.Json.JsonSerializer.Serialize[Object[]](Object[] value, JsonSerializerOptions options) at Microsoft.JSInterop.JSRuntime.InvokeAsync[IJSVoidResult](Int64 targetInstanceId, String identifier, CancellationToken cancellationToken, Object[] args) at Microsoft.JSInterop.JSRuntime.1[[Microsoft.JSInterop.Infrastructure.IJSVoidResult, Microsoft.JSInterop, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext() at Microsoft.JSInterop.JSObjectReferenceExtensions.InvokeVoidAsync(IJSObjectReference jsObjectReference, String identifier, Object[] args) at Blazor.Sqlite.Client.Features.Contributions.Models.ContributionDbContext.PersistDatabaseAsync(CancellationToken cancellationToken) in C:\Users\sotir\Downloads\article-blazor-sqlite-efcore-main (1)\article-blazor-sqlite-efcore-main\Blazor.Sqlite.Client\Features\Contributions\Models\ContributionDbContext.cs:line 61 at Blazor.Sqlite.Client.Features.Contributions.Models.ContributionDbContext.SaveChangesAsync(CancellationToken cancellationToken) in C:\Users\sotir\Downloads\article-blazor-sqlite-efcore-main (1)\article-blazor-sqlite-efcore-main\Blazor.Sqlite.Client\Features\Contributions\Models\ContributionDbContext.cs:line 53 at Blazor.Sqlite.Client.Features.Contributions.Services.SpeakerService.InitializeAsync() in C:\Users\sotir\Downloads\article-blazor-sqlite-efcore-main (1)\article-blazor-sqlite-efcore-main\Blazor.Sqlite.Client\Features\Contributions\Services\SpeakerService.cs:line 31 at Blazor.Sqlite.Client.Features.Contributions.Services.SpeakerService.InitializeAsync() in C:\Users\sotir\Downloads\article-blazor-sqlite-efcore-main (1)\article-blazor-sqlite-efcore-main\Blazor.Sqlite.Client\Features\Contributions\Services\SpeakerService.cs:line 31 at Blazor.Sqlite.Client.Features.Contributions.ContributionServiceCollectionExtensions.InitializeContributionsFeature(WebAssemblyHost host) in C:\Users\sotir\Downloads\article-blazor-sqlite-efcore-main (1)\article-blazor-sqlite-efcore-main\Blazor.Sqlite.Client\Features\Contributions\ContributionServiceCollectionExtensions.cs:line 39 at Program.<Main>$(String[] args) in C:\Users\sotir\Downloads\article-blazor-sqlite-efcore-main (1)\article-blazor-sqlite-efcore-main\Blazor.Sqlite.Client\Program.cs:line 22 --- End of inner exception stack trace ---
I just downloaded the project and selected the release mode.