We are getting the following error when trying to intergrate Azure SignalR to our exisitng blazor server application.
System.NullReferenceException: Object reference not set to an instance of an object. [blazor_f49e0680-3]: at Volo.Abp.AspNetCore.Components.Web.LeptonXTheme.Components.ApplicationLayout.SideMenu.Navigation.MobileNavbar.BuildRenderTree(RenderTreeBuilder __builder) [blazor_f49e0680-3]: at Microsoft.AspNetCore.Components.Rendering.ComponentState.RenderIntoBatch(RenderBatchBuilder batchBuilder, RenderFragment renderFragment, Exception& renderFragmentException).
Please help to fix the issue.
- ABP Framework version: v7.2.2
- UI type: Blazor Server
- DB provider: EF Core
- Tiered (MVC) or Identity Server Separated (Angular): yes
6 Answer(s)
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Hi,
This is a known issue, we fixed it in the patch version.
Your ticket refunded.
You can check this: https://support.abp.io/QA/Questions/5186/What-wrong-with-my-menu-construction-May-ABP-framework-throw-detail-exception-for-us-to-debug
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Hi
We haven’t release the patch version You can use the temporary solution
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You just need to uograde nugget packages after the patch version is released
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Thank you we have done that.
Now we have no menu items showing. I can see from Azure that connections are being made however the menu (administration) only shows home.
If i remove signalr connect the menu has around 20+ items however with it connected it only shows home.
Thanks
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Hi,
I think this is a new problem, could you create a new question for this? thanks.
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