net/http, golang.org/x/net/http2

[rakeshkumbi]

What version of Go are you using (go version)?

go version go1.20.3 linux/amd64

Does this issue reproduce with the latest release?

Yes

What operating system and processor architecture are you using (go env)?

go env Output

GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/rakeshkumbi/.cache/go-build"
GOENV="/home/rakeshkumbi/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/rakeshkumbi/learning/go/golib/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/rakeshkumbi/learning/go/golib:/home/rakeshkumbi/learning/go/workspace"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.20.3"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/home/rakeshkumbi/learning/go/workspace/test_h2/go.mod"
GOWORK=""
CGO_CFLAGS="-O2 -g"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-O2 -g"
CGO_FFLAGS="-O2 -g"
CGO_LDFLAGS="-O2 -g"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build708873615=/tmp/go-build -gno-record-gcc-switches"

What did you do?

I am trying to send HTTP/2 proxy request without TLS to my HTTP2 Proxy server (nginx & vertex). But the requests and responses which are being sent and received are of HTTP1.1.

Here is my code:
https://go.dev/play/p/Ln1KiQ2200s

What did you expect to see?

I am expecting the HTTP/2 request/responses

What did you see instead?

The requests/responses made are HTTP1.1

[seankhliao]

see h2c

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