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Are Error Controllers/Views Missing From Web.Public In #9068
Question

Hi,

I have the ASP.Net Core & Angular package. I'm running 8.7 (just saw 8.8 released. Upgrade for another day).

I just noticed that on the Web.Public site the Error handler doesn't appear to exist.

Eg: If I go to our site with a made up page to generate a 404 you get this.

ERROR 2020-05-25 10:36:47,018 [20 ] AspNetCore.Server.IIS.Core.IISHttpServer - Connection ID "18374686481282236522", Request ID "8000006b-0000-ff00-b63f-84710c7967bb": An unhandled exception was thrown by the application. System.InvalidOperationException: The view 'Error404' was not found. The following locations were searched: /Views/Error/Error404.cshtml /Views/Shared/Error404.cshtml

This is in the startup.cs

        if (env.IsDevelopment())
        {
            app.UseDeveloperExceptionPage();
        }
        else
        {
            app.UseStatusCodePagesWithRedirects("~/Error?statusCode={0}");
            app.UseExceptionHandler("/Error");
        }

However I don't see any Controller or Views for /Error?

Thanks Rick

exception when impersonating tenant user #8611
Answer

Thanks @maliming I'll try look at implementing that Exception filter to filter it out of my logs as it's just filling it up with noise at the moment.

We do lots of switching to linked accounts in my setup.

exception when impersonating tenant user #8611
Answer

@maliming I'll also test out you config option. we have noted this a lot in our production environment but you are right it hasn't caused any actual issue other than filling our logs.

cheers

exception when impersonating tenant user #8611
Answer

I'm seeing this a lot as well. We see it a lot in this space as well. This happens a lot with switching accounts through the manage linked accounts bit or with the impersonation function.

Agree with alexanderpilhar we have only started seeing this since the upgrade to 8.2.1. Also this is happening in our production environment.

at System.Threading.CancellationToken.ThrowOperationCanceledException()
at MySqlConnector.Core.CommandExecutor.ExecuteReaderAsync(IReadOnlyList`1 commands, ICommandPayloadCreator payloadCreator, CommandBehavior behavior, IOBehavior ioBehavior, CancellationToken cancellationToken) in C:\projects\mysqlconnector\src\MySqlConnector\Core\CommandExecutor.cs:line 20
at Microsoft.EntityFrameworkCore.Storage.RelationalCommand.ExecuteReaderAsync(RelationalCommandParameterObject parameterObject, CancellationToken cancellationToken)
at Microsoft.EntityFrameworkCore.Storage.RelationalCommand.ExecuteReaderAsync(RelationalCommandParameterObject parameterObject, CancellationToken cancellationToken)
at Microsoft.EntityFrameworkCore.Storage.RelationalCommand.ExecuteReaderAsync(RelationalCommandParameterObject parameterObject, CancellationToken cancellationToken)
at Microsoft.EntityFrameworkCore.Query.Internal.QueryingEnumerable`1.AsyncEnumerator.InitializeReaderAsync(DbContext _, Boolean result, CancellationToken cancellationToken)
at Pomelo.EntityFrameworkCore.MySql.Storage.Internal.MySqlExecutionStrategy.ExecuteAsync[TState,TResult](TState state, Func`4 operation, Func`4 verifySucceeded, CancellationToken cancellationToken)
at Microsoft.EntityFrameworkCore.Query.Internal.QueryingEnumerable`1.AsyncEnumerator.MoveNextAsync()
at Microsoft.EntityFrameworkCore.Query.ShapedQueryCompilingExpressionVisitor.SingleOrDefaultAsync[TSource](IAsyncEnumerable`1 asyncEnumerable, CancellationToken cancellationToken)
at Microsoft.EntityFrameworkCore.Query.ShapedQueryCompilingExpressionVisitor.SingleOrDefaultAsync[TSource](IAsyncEnumerable`1 asyncEnumerable, CancellationToken cancellationToken)
at Abp.EntityFrameworkCore.Repositories.EfCoreRepositoryBase`3.FirstOrDefaultAsync(TPrimaryKey id)
at Abp.Domain.Uow.UnitOfWorkInterceptor.InternalInterceptAsynchronous[TResult](IInvocation invocation)
at Abp.Domain.Uow.UnitOfWorkInterceptor.InternalInterceptAsynchronous[TResult](IInvocation invocation)
at Abp.Domain.Uow.UnitOfWorkInterceptor.InternalInterceptAsynchronous[TResult](IInvocation invocation)
at Nito.AsyncEx.Synchronous.TaskExtensions.WaitAndUnwrapException[TResult](Task`1 task)
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 XXXX.Friendships.Cache.UserFriendsCache.GetUserFriendsCacheItemInternal(UserIdentifier userIdentifier) in D:\a\1\s\aspnet-core\src\XXXX.Core\Friendships\Cache\UserFriendsCache.cs:line 195
at Castle.Proxies.UserFriendsCacheProxy.GetUserFriendsCacheItemInternal_callback(UserIdentifier userIdentifier)
at Castle.Proxies.Invocations.UserFriendsCache_GetUserFriendsCacheItemInternal.InvokeMethodOnTarget()
at Castle.DynamicProxy.AbstractInvocation.Proceed()
at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
at Castle.DynamicProxy.AbstractInvocation.Proceed()
at Castle.Proxies.UserFriendsCacheProxy.GetUserFriendsCacheItemInternal(UserIdentifier userIdentifier)
at XXXX.Friendships.Cache.UserFriendsCache.<>c__DisplayClass8_0.<GetCacheItem>b__0(String f) in D:\a\1\s\aspnet-core\src\XXXX.Core\Friendships\Cache\UserFriendsCache.cs:line 46
at Abp.Runtime.Caching.CacheExtensions.<>c__DisplayClass5_0`2.<Get>b__0(String k)
at Abp.Runtime.Caching.AbpCacheBase`2.Get(TKey key, Func`2 factory)
at Abp.Runtime.Caching.CacheExtensions.Get[TKey,TValue](ICache cache, TKey key, Func`2 factory)
at Castle.Proxies.Invocations.UserFriendsCache_GetCacheItem.InvokeMethodOnTarget()
at Castle.DynamicProxy.AbstractInvocation.Proceed()
at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
at Castle.DynamicProxy.AbstractInvocation.Proceed()
at Castle.Proxies.UserFriendsCacheProxy.GetCacheItem(UserIdentifier userIdentifier)
at XXXX.Friendships.ChatUserStateWatcher.NotifyUserConnectionStateChange(UserIdentifier user, Boolean isConnected) in D:\a\1\s\aspnet-core\src\XXXX.Core\Friendships\ChatUserStateWatcher.cs:line 45
at XXXX.Friendships.ChatUserStateWatcher.OnlineClientManager_UserDisconnected(Object sender, OnlineUserEventArgs e) in D:\a\1\s\aspnet-core\src\XXXX.Core\Friendships\ChatUserStateWatcher.cs:line 41
at Abp.RealTime.OnlineClientManager.Remove(String connectionId)
at Abp.AspNetCore.SignalR.Hubs.OnlineClientHubBase.OnDisconnectedAsync(Exception exception)
System.OperationCanceledException: The operation was canceled.
at System.Threading.CancellationToken.ThrowOperationCanceledException()
at MySqlConnector.Core.CommandExecutor.ExecuteReaderAsync(IReadOnlyList`1 commands, ICommandPayloadCreator payloadCreator, CommandBehavior behavior, IOBehavior ioBehavior, CancellationToken cancellationToken) in C:\projects\mysqlconnector\src\MySqlConnector\Core\CommandExecutor.cs:line 20
at Microsoft.EntityFrameworkCore.Storage.RelationalCommand.ExecuteReaderAsync(RelationalCommandParameterObject parameterObject, CancellationToken cancellationToken)
at Microsoft.EntityFrameworkCore.Storage.RelationalCommand.ExecuteReaderAsync(RelationalCommandParameterObject parameterObject, CancellationToken cancellationToken)
at Microsoft.EntityFrameworkCore.Storage.RelationalCommand.ExecuteReaderAsync(RelationalCommandParameterObject parameterObject, CancellationToken cancellationToken)
at Microsoft.EntityFrameworkCore.Query.Internal.QueryingEnumerable`1.AsyncEnumerator.InitializeReaderAsync(DbContext _, Boolean result, CancellationToken cancellationToken)
at Pomelo.EntityFrameworkCore.MySql.Storage.Internal.MySqlExecutionStrategy.ExecuteAsync[TState,TResult](TState state, Func`4 operation, Func`4 verifySucceeded, CancellationToken cancellationToken)
at Microsoft.EntityFrameworkCore.Query.Internal.QueryingEnumerable`1.AsyncEnumerator.MoveNextAsync()
at Microsoft.EntityFrameworkCore.Query.ShapedQueryCompilingExpressionVisitor.SingleOrDefaultAsync[TSource](IAsyncEnumerable`1 asyncEnumerable, CancellationToken cancellationToken)
at Microsoft.EntityFrameworkCore.Query.ShapedQueryCompilingExpressionVisitor.SingleOrDefaultAsync[TSource](IAsyncEnumerable`1 asyncEnumerable, CancellationToken cancellationToken)
at Abp.EntityFrameworkCore.Repositories.EfCoreRepositoryBase`3.FirstOrDefaultAsync(TPrimaryKey id)
at Abp.Domain.Uow.UnitOfWorkInterceptor.InternalInterceptAsynchronous[TResult](IInvocation invocation)
at Abp.Domain.Uow.UnitOfWorkInterceptor.InternalInterceptAsynchronous[TResult](IInvocation invocation)
at Abp.Domain.Uow.UnitOfWorkInterceptor.InternalInterceptAsynchronous[TResult](IInvocation invocation)
at Nito.AsyncEx.Synchronous.TaskExtensions.WaitAndUnwrapException[TResult](Task`1 task)
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 XXXX.Friendships.Cache.UserFriendsCache.GetUserFriendsCacheItemInternal(UserIdentifier userIdentifier) in D:\a\1\s\aspnet-core\src\XXXX.Core\Friendships\Cache\UserFriendsCache.cs:line 195
at Castle.Proxies.UserFriendsCacheProxy.GetUserFriendsCacheItemInternal_callback(UserIdentifier userIdentifier)
at Castle.Proxies.Invocations.UserFriendsCache_GetUserFriendsCacheItemInternal.InvokeMethodOnTarget()
at Castle.DynamicProxy.AbstractInvocation.Proceed()
at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
at Castle.DynamicProxy.AbstractInvocation.Proceed()
at Castle.Proxies.UserFriendsCacheProxy.GetUserFriendsCacheItemInternal(UserIdentifier userIdentifier)
at XXXX.Friendships.Cache.UserFriendsCache.<>c__DisplayClass8_0.<GetCacheItem>b__0(String f) in D:\a\1\s\aspnet-core\src\XXXX.Core\Friendships\Cache\UserFriendsCache.cs:line 46
at Abp.Runtime.Caching.CacheExtensions.<>c__DisplayClass5_0`2.<Get>b__0(String k)
at Abp.Runtime.Caching.AbpCacheBase`2.Get(TKey key, Func`2 factory)
at Abp.Runtime.Caching.CacheExtensions.Get[TKey,TValue](ICache cache, TKey key, Func`2 factory)
at Castle.Proxies.Invocations.UserFriendsCache_GetCacheItem.InvokeMethodOnTarget()
at Castle.DynamicProxy.AbstractInvocation.Proceed()
at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
at Castle.DynamicProxy.AbstractInvocation.Proceed()
at Castle.Proxies.UserFriendsCacheProxy.GetCacheItem(UserIdentifier userIdentifier)
at XXXX.Friendships.ChatUserStateWatcher.NotifyUserConnectionStateChange(UserIdentifier user, Boolean isConnected) in D:\a\1\s\aspnet-core\src\XXXX.Core\Friendships\ChatUserStateWatcher.cs:line 45
at XXXX.Friendships.ChatUserStateWatcher.OnlineClientManager_UserDisconnected(Object sender, OnlineUserEventArgs e) in D:\a\1\s\aspnet-core\src\XXXX.Core\Friendships\ChatUserStateWatcher.cs:line 41
at Abp.RealTime.OnlineClientManager.Remove(String connectionId)
at Abp.AspNetCore.SignalR.Hubs.OnlineClientHubBase.OnDisconnectedAsync(Exception exception)
Upgrade from 8.1 to 8.2 and issue with TimeSpan. #8566
Answer

Thank you for saving me hours of work :)

problem deploying asp,net zero 8.1 on a azure linux app service #8428
Answer

I am currently running it all on an Azure App Service Linux setup with .Net Core 3.1

The only issue I've encountered so far is where images are uploaded (profile picture). The current code uses system.drawing.common and this depends on libgdiplus.

I cannot actually get libgdiplus to work even after installing into the host through SSH (for testing purposes). In prod version in my startup I detect if I'm running on Linux and run a custom install.sh script which installs a bunch of apt-get packages needed for other third party libraries I'm using. They all work fine. libgdiplus will not.

Also based on this link https://www.hanselman.com/blog/HowDoYouUseSystemDrawingInNETCore.aspx

I suspect ASP Zero should probably move away from using system.drawing.common if they can :)

So you should really have no problems running this on the Linux App Service.

Cheers

[Ignore...Resolved] Manually add a filter on the tenant ID #8433
Question

Hi,

I have a situation where I need to disable the tenant filters and then optionally manually add a filter on the tenant ID.

I do it as follows.

Wrap my code in using (UnitOfWorkManager.Current.DisableFilter(AbpDataFilters.MustHaveTenant, AbpDataFilters.MayHaveTenant)) {

Then do a var query = repo.GetAll() .Include(a bunch of related tables). etc

Further down in my logic with the IQueryable I will add in the following.

query.Where(_ => _.TenantId == AbpSession.TenantId.Value)

When I execute that query the TenantID filter is NOT enforced as I expect it to be.

The DisableFilter appears to overrule any manually added TenantId filter.

Is this expected? How do I get around this?

I feel like I'm missing something here.

Email template logo does not display in outlook or gmail #8386
Answer

Most email clients don't display external images by default these days. One approach is to not link to an external image and base64 encode the image directly into the template.

I'm about to make the same change to my templates as well.

Notifications From A Tenant To A Host #8319
Answer

Looking at the code that should also work as eventually it will get to this part of the code.

The tenantId would be null in this case and thus it will set the current tenantid in the filter to null and in affect be the host account. Same as just doing the settenantid call yourself really before publishing.

    [UnitOfWork]
    protected virtual async Task<List<NotificationSubscriptionInfo>> GetSubscriptionsAsync(int? tenantId, string notificationName, string entityTypeName, string entityId)
    {
        using (_unitOfWorkManager.Current.SetTenantId(tenantId))
        {
            return await _notificationSubscriptionRepository.GetAllListAsync(s =>
                s.NotificationName == notificationName &&
                s.EntityTypeName == entityTypeName &&
                s.EntityId == entityId
            );
        }
    }
Notifications From A Tenant To A Host #8319
Answer

Ok thanks for that hint. I wasn't but I will.

I have found the cause of the issue. Complex and I'm not entirely sure it is intended behaviour but I understand it now.

  1. The notificationpublisher code has these lines in it. So even if you pass null or empty for the tenant Id's in your notification the publisher will add in the current logged in session one (which in my case is an actual tenant and not the host account).

       if (tenantIds.IsNullOrEmpty() && userIds.IsNullOrEmpty())
   {
       tenantIds = new[] { AbpSession.TenantId };
   }

  2. Then there is this code in the DefaultNotificationDistributor, before the call to the _notificationStore.GetSubscriptionsAsync. If this check passes then it will call the GetSubscriptionsAsync that has the disabling of the filters. If this check DOESN'T pass then it will use the tenant ID passed into it and not disable the filter. if (tenantIds.IsNullOrEmpty() || (tenantIds.Length == 1 && tenantIds[0] == NotificationInfo.AllTenantIds.To<int>())) {

Solutions:

  1. If you want to send a notification from a tenant to the HOST only then switch to the host context before publishing the notification (using (_unitOfWorkManager.Current.SetTenantId(null))

  2. If you are publishing a notification from a tenant and want to send it to any tentant or host subscribed to that particular notification name then set the tenantID to NotificationInfo.AllTenantIds (which is 0).

Got love digging through the ABP Code :)

Cheers to anyone else who comes across this.

Rick

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