http.server.duration metric description is wrong

[deleteLater]

The metric description for http.server.duration should be Measures the duration of inbound HTTP requests while we're using measures the duration of the inbound HTTP request.

This could cause an error like this (from my environment)

2024-02-21 14:00:05 2024-02-21T06:00:05.268Z    error   prometheusexporter@v0.93.0/log.go:23    error gathering metrics: collected metric http_server_duration_milliseconds label:{name:"deployment_environment" value:"local"} label:{name:"http_flavor" value:"1.0"} label:{name:"http_host" value:"[127.0.0.1:10000](http://127.0.0.1:10000/)"} label:{name:"http_method" value:"POST"} label:{name:"http_scheme" value:"http"} label:{name:"http_server_name" value:"[0.0.0.0](http://0.0.0.0/)"} label:{name:"http_status_code" value:"200"} label:{name:"job" value:"featbit-das"} label:{name:"label1" value:"featbit"} label:{name:"net_host_port" value:"10000"} histogram:{sample_count:3 sample_sum:44 bucket:{cumulative_count:0 upper_bound:0} bucket:{cumulative_count:0 upper_bound:5} bucket:{cumulative_count:0 upper_bound:10} bucket:{cumulative_count:3 upper_bound:25} bucket:{cumulative_count:3 upper_bound:50} bucket:{cumulative_count:3 upper_bound:75} bucket:{cumulative_count:3 upper_bound:100} bucket:{cumulative_count:3 upper_bound:250} bucket:{cumulative_count:3 upper_bound:500} bucket:{cumulative_count:3 upper_bound:750} bucket:{cumulative_count:3 upper_bound:1000} bucket:{cumulative_count:3 upper_bound:2500} bucket:{cumulative_count:3 upper_bound:5000} bucket:{cumulative_count:3 upper_bound:7500} bucket:{cumulative_count:3 upper_bound:10000}} has help "measures the duration of the inbound HTTP request" but should have "Measures the duration of inbound HTTP requests."
2024-02-21 14:00:05     {"kind": "exporter", "data_type": "metrics", "name": "prometheus"}
2024-02-21 14:00:05 [github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter.(*promLogger).Println](http://github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter.(*promLogger).Println)
2024-02-21 14:00:05     [github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter@v0.93.0/log.go:23](http://github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter@v0.93.0/log.go:23)
2024-02-21 14:00:05 [github.com/prometheus/client_golang/prometheus/promhttp.HandlerForTransactional.func1](http://github.com/prometheus/client_golang/prometheus/promhttp.HandlerForTransactional.func1)
2024-02-21 14:00:05     [github.com/prometheus/client_golang@v1.18.0/prometheus/promhttp/http.go:144](http://github.com/prometheus/client_golang@v1.18.0/prometheus/promhttp/http.go:144)
2024-02-21 14:00:05 net/http.HandlerFunc.ServeHTTP
2024-02-21 14:00:05     net/http/server.go:2136
2024-02-21 14:00:05 net/http.(*ServeMux).ServeHTTP
2024-02-21 14:00:05     net/http/server.go:2514
2024-02-21 14:00:05 [go.opentelemetry.io/collector/config/confighttp.(*decompressor).ServeHTTP](http://go.opentelemetry.io/collector/config/confighttp.(*decompressor).ServeHTTP)
2024-02-21 14:00:05     [go.opentelemetry.io/collector/config/confighttp@v0.93.0/compression.go:147](http://go.opentelemetry.io/collector/config/confighttp@v0.93.0/compression.go:147)
2024-02-21 14:00:05 [go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp.(*middleware).serveHTTP](http://go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp.(*middleware).serveHTTP)
2024-02-21 14:00:05     [go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp@v0.47.0/handler.go:225](http://go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp@v0.47.0/handler.go:225)
2024-02-21 14:00:05 [go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp.NewMiddleware.func1.1](http://go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp.NewMiddleware.func1.1)
2024-02-21 14:00:05     [go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp@v0.47.0/handler.go:83](http://go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp@v0.47.0/handler.go:83)
2024-02-21 14:00:05 net/http.HandlerFunc.ServeHTTP
2024-02-21 14:00:05     net/http/server.go:2136
2024-02-21 14:00:05 [go.opentelemetry.io/collector/config/confighttp.(*clientInfoHandler).ServeHTTP](http://go.opentelemetry.io/collector/config/confighttp.(*clientInfoHandler).ServeHTTP)
2024-02-21 14:00:05     [go.opentelemetry.io/collector/config/confighttp@v0.93.0/clientinfohandler.go:28](http://go.opentelemetry.io/collector/config/confighttp@v0.93.0/clientinfohandler.go:28)
2024-02-21 14:00:05 net/http.serverHandler.ServeHTTP
2024-02-21 14:00:05     net/http/server.go:2938
2024-02-21 14:00:05 net/http.(*conn).serve
2024-02-21 14:00:05     net/http/server.go:2009

• https://github.com/search?q=repo%3Aopen-telemetry%2Fopentelemetry-python-contrib+HTTP_SERVER_DURATION&type=code
• Ensure all http.server.duration metrics have the same description opentelemetry-demo#738

[Rodrigo-Novas]

That's true, I found that message in these files. I'm going to make a PR about this, I hope they approve it

[KyriosGN0]

Hey, this was reintroduced in 0.46b0.

[emdneto]

@KyriosGN0 could you please raise an issue pointing out the error you are having?

[KyriosGN0]

@emdneto, i have Otel collector deployed in k8s which are running into the errors listed in this issue , what details should i provide ?

[emdneto]

@KyriosGN0 please go to https://github.com/open-telemetry/opentelemetry-python-contrib/issues/new/choose and create a "Bug report" . You'll have a form to fill with all details needed.