ValueFactory attempted to access the Value property of this instance #1377 | Support

lalitChougule created 3 years ago

ABP Framework version: v3.0.4
UI type: Angular
DB provider: EF Core
Tiered (MVC) or Identity Server Separated (Angular): no / yes
Exception message and stack trace:

2021-05-14 14:14:46.482 +05:30 [ERR] One or more errors occurred. (ValueFactory attempted to access the Value property of this instance.)
System.AggregateException: One or more errors occurred. (ValueFactory attempted to access the Value property of this instance.)
 ---> System.InvalidOperationException: ValueFactory attempted to access the Value property of this instance.
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
   at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
   at System.Lazy`1.CreateValue()
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.get_PermissionDefinitions()
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.GetOrNull(String name)
   at Volo.Abp.Authorization.AbpAuthorizationPolicyProvider.GetPolicyAsync(String policyName)
   at Microsoft.AspNetCore.Authorization.AuthorizationPolicy.CombineAsync(IAuthorizationPolicyProvider policyProvider, IEnumerable`1 authorizeData)
   at Volo.Abp.Authorization.MethodInvocationAuthorizationService.CheckAsync(MethodInvocationAuthorizationContext context)
   at Volo.Abp.Authorization.AuthorizationInterceptor.AuthorizeAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Authorization.AuthorizationInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Auditing.AuditingInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Validation.ValidationInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Uow.UnitOfWorkInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
   at System.Threading.Tasks.Task`1.get_Result()
   at SCV.Litmus.Permissions.AccessPermissionDefinitionProvider.GetRoles() in D:\Litmus\Projects\core-platform\SCV.Litmus\aspnet-core\modules\litmus-core\src\SCV.Litmus.Application.Contracts\Permissions\AccessPermissionDefinitionProvider.cs:line 35
   at SCV.Litmus.Permissions.AccessPermissionDefinitionProvider.Define(IPermissionDefinitionContext context) in D:\Litmus\Projects\core-platform\SCV.Litmus\aspnet-core\modules\litmus-core\src\SCV.Litmus.Application.Contracts\Permissions\AccessPermissionDefinitionProvider.cs:line 25
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.CreatePermissionGroupDefinitions()
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
   at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
   at System.Lazy`1.CreateValue()
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.CreatePermissionDefinitions()
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
   at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
   at System.Lazy`1.CreateValue()
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.get_PermissionDefinitions()
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.GetPermissions()
   at Volo.Abp.Authorization.AbpAuthorizationPolicyProvider.GetPoliciesNamesAsync()
   at Volo.Abp.AspNetCore.Mvc.ApplicationConfigurations.AbpApplicationConfigurationAppService.GetAuthConfigAsync()
   at Volo.Abp.AspNetCore.Mvc.ApplicationConfigurations.AbpApplicationConfigurationAppService.GetAsync()
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Auditing.AuditingInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Validation.ValidationInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Uow.UnitOfWorkInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Volo.Abp.AspNetCore.Mvc.ApplicationConfigurations.AbpApplicationConfigurationController.GetAsync()
   at lambda_method(Closure , Object )
   at Microsoft.Extensions.Internal.ObjectMethodExecutorAwaitable.Awaiter.GetResult()
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.AwaitableObjectResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Awaited|12_0(ControllerActionInvoker invoker, ValueTask`1 actionResultValueTask)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.&lt;InvokeNextActionFilterAsync&gt;g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()
--- End of stack trace from previous location where exception was thrown ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.&lt;InvokeNextExceptionFilterAsync&gt;g__Awaited|25_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)

Steps to reproduce the issue: As below

I was trying to get dynamic value in PermissionDefinitionProvider below is the source code :

public class AccessPermissionDefinitionProvider : PermissionDefinitionProvider
    {
        private readonly ISomeAppService _someAppService;

        public AccessPermissionDefinitionProvider(ISomeAppService someAppService)
        {
            _someAppService = someAppService;
        }
        
        public override void Define(IPermissionDefinitionContext context)
        {
            var myGroup = context.AddGroup("XYZAccessControl", L("Permission:XYZAccessControl"));
            var somePermission = myGroup.AddPermission("XYZBased", L("Permission:XYZ"));
            var fetchedData = GetData();
            foreach (var item in fetchedData)
            {
                somePermission.AddChild(item);
            }

        }

        private string[] GetData()
        {
            var data = _someAppService.GetSomeData().Result; //Just because await throws error here.
            return data.select(x=> x.someValue).Distinct().ToArray();
        }

        private static LocalizableString L(string name)
        {
            return LocalizableString.Create&lt;XYZResource&gt;(name);
        }
    }

I cannot run the project as the above error is shown.

REQUIREMENT :

I want to show dyanmic created values in PermissionManagement screen which are created on the go.I cannot explain the whole use case here but assume that these selected permission are to be used only and only at backend.
While I tried returning GetData() with hardcode value it work's as per my expectation but the count is not increased/decreased once I select the permission from the permission tree. Not able to find how it works.

Please provide correct approach to achieve this, If I am doing it in a wrong way. I need to achieve this as this is the mandatory requirement for my project.

10 Answer(s)

0

maliming created 3 years ago
Support Team Fullstack Developer

hi

The application service will try to get all permissions when you call the its method, even if the above error does not occur, it will be an infinite loop.

I guess the GetSomeData method is async. The Define method of PermissionDefinitionProvider is sync. So there is async over sync problem.

You can get dynamic permissions through other ways. Sync methods are preferred.

Or call async method by AsyncHelper

var resutl = AsyncHelper.RunSync(() => serviceProvider.GetRequiredService<ISchedulerFactory>().GetScheduler())

lalitChougule created 3 years ago

Hi @maliming

Error Log :

2021-05-27 11:18:46.476 +05:30 [ERR] ValueFactory attempted to access the Value property of this instance.
System.InvalidOperationException: ValueFactory attempted to access the Value property of this instance.
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
   at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
   at System.Lazy`1.CreateValue()
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.get_PermissionDefinitions()
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.GetOrNull(String name)
   at Volo.Abp.Authorization.AbpAuthorizationPolicyProvider.GetPolicyAsync(String policyName)
   at Microsoft.AspNetCore.Authorization.AuthorizationPolicy.CombineAsync(IAuthorizationPolicyProvider policyProvider, IEnumerable`1 authorizeData)
   at Volo.Abp.Authorization.MethodInvocationAuthorizationService.CheckAsync(MethodInvocationAuthorizationContext context)
   at Volo.Abp.Authorization.AuthorizationInterceptor.AuthorizeAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Authorization.AuthorizationInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Auditing.AuditingInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Validation.ValidationInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Uow.UnitOfWorkInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Nito.AsyncEx.Synchronous.TaskExtensions.WaitAndUnwrapException[TResult](Task`1 task)
   at Nito.AsyncEx.AsyncContext.<>c__DisplayClass16_0`1.&lt;Run&gt;b__0(Task`1 t)
   at System.Threading.Tasks.ContinuationResultTaskFromResultTask`2.InnerInvoke()
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location where exception was thrown ---
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
--- End of stack trace from previous location where exception was thrown ---
   at Nito.AsyncEx.Synchronous.TaskExtensions.WaitAndUnwrapException[TResult](Task`1 task)
   at Nito.AsyncEx.AsyncContext.Run[TResult](Func`1 action)
   at Volo.Abp.Threading.AsyncHelper.RunSync[TResult](Func`1 func)
   at SCV.Litmus.Permissions.LitmusPermissionDefinitionProvider.GetRoles() in D:\Litmus\Projects\core-platform\SCV.Litmus\aspnet-core\modules\litmus-core\src\SCV.Litmus.Application.Contracts\Permissions\LitmusPermissionDefinitionProvider.cs:line 64
   at SCV.Litmus.Permissions.LitmusPermissionDefinitionProvider.Define(IPermissionDefinitionContext context) in D:\Litmus\Projects\core-platform\SCV.Litmus\aspnet-core\modules\litmus-core\src\SCV.Litmus.Application.Contracts\Permissions\LitmusPermissionDefinitionProvider.cs:line 57
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.CreatePermissionGroupDefinitions()
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
   at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
   at System.Lazy`1.CreateValue()
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.CreatePermissionDefinitions()
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
   at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
   at System.Lazy`1.CreateValue()
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.get_PermissionDefinitions()
   at Volo.Abp.Authorization.Permissions.PermissionDefinitionManager.GetPermissions()
   at Volo.Abp.Authorization.AbpAuthorizationPolicyProvider.GetPoliciesNamesAsync()
   at Volo.Abp.AspNetCore.Mvc.ApplicationConfigurations.AbpApplicationConfigurationAppService.GetAuthConfigAsync()
   at Volo.Abp.AspNetCore.Mvc.ApplicationConfigurations.AbpApplicationConfigurationAppService.GetAsync()
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Auditing.AuditingInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Validation.ValidationInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo)
   at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapterWithReturnValue`1.ProceedAsync()
   at Volo.Abp.Uow.UnitOfWorkInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
   at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter`1.InterceptAsync[TResult](IInvocation invocation, IInvocationProceedInfo proceedInfo, Func`3 proceed)
   at Volo.Abp.AspNetCore.Mvc.ApplicationConfigurations.AbpApplicationConfigurationController.GetAsync()
   at lambda_method(Closure , Object )
   at Microsoft.Extensions.Internal.ObjectMethodExecutorAwaitable.Awaiter.GetResult()
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.AwaitableObjectResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.&lt;InvokeActionMethodAsync&gt;g__Awaited|12_0(ControllerActionInvoker invoker, ValueTask`1 actionResultValueTask)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()
--- End of stack trace from previous location where exception was thrown ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextExceptionFilterAsync>g__Awaited|25_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)

My Code :

public class LitmusPermissionDefinitionProvider : PermissionDefinitionProvider
    {
        protected IServiceProvider _serviceProvider { get; }
        public LitmusPermissionDefinitionProvider(IServiceProvider serviceProvider)
        {
            _serviceProvider = serviceProvider;
        }

        public override void Define(IPermissionDefinitionContext context)
        {
            var myGroup = context.AddGroup(LitmusPermissions.GroupName);

            var TestPermissionTestPermission = myGroup.AddPermission("TestRoles");
            var roles = GetRoles();
            foreach (var item in roles)
                TestPermissionTestPermission.AddChild(item);
        }

        private string[] GetRoles()
        {
            var result = AsyncHelper.RunSync(() => _serviceProvider.GetRequiredService<IIdentityRoleAppService>().GetAllListAsync());
            return result.Items.Select(x => x.Name).ToArray();
        }

        private static LocalizableString L(string name)
        {
            return LocalizableString.Create<LitmusResource>(name);
        }
    }

I tried your way, still stuck with same error. If I am doing it wrong way, please provide sample code.

Thanks

0

maliming created 3 years ago
Support Team Fullstack Developer

hi

The application service will try to get all permissions when you call the its method, it will be an infinite loop.

So do not call application service in the Define method.

You can get dynamic permissions through other ways. Sync methods are preferred.
0

lalitChougule created 3 years ago

hi

The application service will try to get all permissions when you call the its method, it will be an infinite loop.

So do not call application service in the Define method.

You can get dynamic permissions through other ways. Async methods are preferred.

Please provide sample code, What are the other ways and what do u mean by Sync methods are preferred ?
0

maliming created 3 years ago
Support Team Fullstack Developer

HI

It depends on where your dynamic permissions are stored. If your application is a monolithic application, you can consider try to inject the repository.

In short, don't call application services, because this will cause an infinite loop.
0

lalitChougule created 3 years ago

HI

It depends on where your dynamic permissions are stored. If your application is a monolithic application, you can consider try to inject the repository.

In short, don't call application services, because this will cause an infinite loop.

Ok I got your point. What are the other ways of access roles ? I dont want to access permissions. I want to access all roles.

I am not able to access IIdentityRoleRepository as well as IdentityRoleManager in the above code block.
0

liangshiwei created 3 years ago
Support Team Fullstack Developer

Hi,

Why you can't access IIdentityRoleRepository? Can you explain the structure of your project

lalitChougule created 3 years ago

Hi,

Why you can't access IIdentityRoleRepository? Can you explain the structure of your project

I think we are trying to access it in Application.Contracts thatz why its not accessible.

My Project structure

Gateway
	MainProject.HttpApi.Host
Microservices
	ProjectA.HttpApi.Host
	ProjectB.HttpApi.Host
	ProjectC.HttpApi.Host -- IdentityServer
	ProjectD.HttpApi.Host
Module
	ProjectA
		scr
			ProjectA.Application
			ProjectA.Application.Contracts
			ProjectA.Domain
			ProjectA.Domain.Shared
			ProjectA.EntityFrameworkCore
			ProjectA.HttpApi
			ProjectA.HttpApiClient
		test
			ProjectA.Application.Tests
			ProjectA.Domain.Tests
			ProjectA.EntityFrameworkCore.Tests
			ProjectA.HttpApiClient.ConsoleTestApp
			ProjectA.TestBase
	ProjectB
		src
			ProjectB.Application
			ProjectB.Application.Contracts
			ProjectB.Domain
			ProjectB.Domain.Shared
			ProjectB.EntityFrameworkCore
			ProjectB.HttpApi
			ProjectB.HttpApiClient
		test
			ProjectB.Application.Tests
			ProjectB.Domain.Tests
			ProjectB.EntityFrameworkCore.Tests
			ProjectB.HttpApiClient.ConsoleTestApp
			ProjectB.TestBase
	ProjectC
		src
			ProjectC.Application
			ProjectC.Application.Contracts
			ProjectC.Domain
			ProjectC.Domain.Shared
			ProjectC.EntityFrameworkCore
			ProjectC.HttpApi
			ProjectC.HttpApiClient
		test
			ProjectC.Application.Tests
			ProjectC.Domain.Tests
			ProjectC.EntityFrameworkCore.Tests
			ProjectC.HttpApiClient.ConsoleTestApp
			ProjectC.TestBase
	ProjectD
		src
			ProjectD.Application
			ProjectD.Application.Contracts
			ProjectD.Domain
			ProjectD.Domain.Shared
			ProjectD.EntityFrameworkCore
			ProjectD.HttpApi
			ProjectD.HttpApiClient
		test
			ProjectD.Application.Tests
			ProjectD.Domain.Tests
			ProjectD.EntityFrameworkCore.Tests
			ProjectD.HttpApiClient.ConsoleTestApp
			ProjectD.TestBase

The code which I am trying to do is in Module of Gateway project.

0

maliming created 3 years ago
Support Team Fullstack Developer

hi lalitChougule

I don't recommend you to do this. But you can try to use Dapper to read the database directly.
0

ServiceBot created 3 years ago
Support Team Automatic process manager

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