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Merge pull request #3296 from dotnet/brecon/preview9

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Add AspNetCore Preview9 Known issues
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Lee Coward 2019-09-04 11:15:29 -07:00 committed by GitHub
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release-notes/3.0/preview/3.0.0-preview-known-issues.md
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@ -33,6 +33,25 @@ To update the path for every new terminal session, the `export` entry will need
## ASP.NET Core
### Preview 9
- **WebSocket connections to IIS In-Process servers will close after the client sends ~30MB**
WebSocket connections to IIS In-Process servers will close after the client sends ~30MB of data.
To workaround this issue you can host your app with the [OutOfProcess](https://docs.microsoft.com/aspnet/core/host-and-deploy/aspnet-core-module?view=aspnetcore-3.0#out-of-process-hosting-model) hosting model. Or you can change the `MaxRequestBodySize` limit in your app when handling WebSocket requests by adding the following to your middleware pipeline:
```csharp
app.Use(next => context =>
{
if (context.WebSockets.IsWebSocketRequest)
{
context.Features.Get<IHttpMaxRequestBodySizeFeature>()?.MaxRequestBodySize = null;
}
return next(context);
});
```
### Preview 8
- **Starting a client or bi-directional streaming gRPC call with an already canceled `CallOptions.CancellationToken` will hang**