Metrics page may appear blank after a few seconds. about opentelemetry-dotnet HOT 6 CLOSED

@mhdimsy, please check https://github.com/open-telemetry/opentelemetry-dotnet-contrib/blob/Instrumentation.AspNetCore-1.9.0/src/OpenTelemetry.Instrumentation.AspNetCore/README.md#metrics

I am closing this as the issue was solved. Please create separate one if you fins some problems with metrics.

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Is the scraping endpoint setup as well? (The code snippet above does not indicate so...)
https://github.com/open-telemetry/opentelemetry-dotnet/blob/main/examples/AspNetCore/Program.cs#L168

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Yes
In startup.cs file this line exist.
Just the first few seconds it works fine, but then it stops sending.
please see the image

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FYI:
I activate console exporter
While the console is printing the metrics correctly, the issue I mentioned still exists.

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@mhdimsy, please give a chance to OpenTelemetry.Exporter.Prometheus.AspNetCore 1.9.0-beta.2. It was released yesterday.

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@Kielek , Thanks it works.
But AddAspNetCoreInstrumentation not has http_server_active_requests metrics, this is correct?

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