Cannot process pending renders after the renderer has been disposed. Object name: 'Renderer'.

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Duplicated

Last Updated: 31 Aug 2020 12:08 by ADMIN

Mr Chas

Created on: 29 Aug 2020 08:21

Category: UI for Blazor

Type: Bug Report

Cannot process pending renders after the renderer has been disposed. Object name: 'Renderer'.

Just wondering if there has been any movement on this issue. We are seeing this in our production system application insights logs. Thanks!

System.ObjectDisposedException: at Microsoft.AspNetCore.Components.RenderTree.Renderer.ProcessPendingRender (Microsoft.AspNetCore.Components, Version=3.1.7.0, Culture=neutral, PublicKeyToken=adb9793829ddae60) at Microsoft.AspNetCore.Components.Server.Circuits.RemoteRenderer.ProcessPendingRender (Microsoft.AspNetCore.Components.Server, Version=3.1.6.0, Culture=neutral, PublicKeyToken=adb9793829ddae60) at Microsoft.AspNetCore.Components.RenderTree.Renderer.AddToRenderQueue (Microsoft.AspNetCore.Components, Version=3.1.7.0, Culture=neutral, PublicKeyToken=adb9793829ddae60) at Microsoft.AspNetCore.Components.ComponentBase.StateHasChanged (Microsoft.AspNetCore.Components, Version=3.1.7.0, Culture=neutral, PublicKeyToken=adb9793829ddae60) at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContextDispatcher.InvokeAsync (Microsoft.AspNetCore.Components, Version=3.1.7.0, Culture=neutral, PublicKeyToken=adb9793829ddae60) at Telerik.Blazor.Components.RootComponent.TelerikFragmentContainer.Refresh (Telerik.Blazor, Version=2.16.0.0, Culture=neutral, PublicKeyToken=20b4b0547069c4f8) at Telerik.Blazor.Components.RootComponent.TelerikRootComponentFragment.Dispose (Telerik.Blazor, Version=2.16.0.0, Culture=neutral, PublicKeyToken=20b4b0547069c4f8) at Microsoft.AspNetCore.Components.Rendering.ComponentState.Dispose (Microsoft.AspNetCore.Components, Version=3.1.7.0, Culture=neutral, PublicKeyToken=adb9793829ddae60) at Microsoft.AspNetCore.Components.RenderTree.Renderer.Dispose (Microsoft.AspNetCore.Components, Version=3.1.7.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)

https://feedback.telerik.com/blazor/1451036-system-objectdisposedexception-cannot-process-pending-renders-after-the-renderer-has-been-disposed-when-i-refresh-a-page-with-f5

https://feedback.telerik.com/blazor/1446870-window-throws-cannot-process-pending-renders-after-the-renderer-has-been-disposed-when-the-user-closes-the-page

Duplicated

This item is a duplicate of an already existing item. You can find the original item here:

ObjectDisposedException when Disposing Grid

3 comments

Mr Chas

Posted on: 31 Aug 2020 08:24

Not seeing the app break right now. Just getting a lot of log entries in app insights.

Mr Chas

Posted on: 31 Aug 2020 08:24

Not seeing the app break right now. Just getting a lot of log entries in app insights.

ADMIN

Svetoslav Dimitrov

Posted on: 31 Aug 2020 08:22

Hello Charles,

They originate from the lack of proper OnUnmounted lifecycle hook in the framework, which is logged in the ASPNET Core GitHub repository (issue). We have raised the priority of those exceptions, internally, in order to provide a workaround solution until Microsoft implement a proper method.

Could you confirm whether they break the app?

Regards,
Svetoslav Dimitrov
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