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net/http: TestTransportEventTrace_h2 fails with "expected substring "WroteRequest: {Err:<nil>}" in output." #15744

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mikioh opened this issue May 19, 2016 · 5 comments

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commented May 19, 2016

See https://build.golang.org/log/641eac826e7b0a6183e1b0ce7c6bb75e572c73e0
Looks like netDial succeeds but httptrace.GotConnInfo is empty, strange.

--- FAIL: TestTransportEventTrace_h2 (0.01s)
    transport_test.go:3305: expected substring "WroteRequest: {Err:<nil>}" in output.
    transport_test.go:3326: Output:
        Getting conn for dns-is-faked.golang:64428 ...
        DNS start: {Host:dns-is-faked.golang}
        DNS done: {Addrs:[{IP:127.0.0.1 Zone:}] Err:<nil> Coalesced:false}
        ConnectStart: Connecting to tcp 127.0.0.1:64428 ...
        ConnectDone: connected to tcp 127.0.0.1:64428 = <nil>
        got conn: {Conn:<nil> Reused:false WasIdle:false IdleTime:0s}
        got conn: {Conn:0xc4202d8000 Reused:false WasIdle:true IdleTime:2562047h47m16.854775807s}
        first response byte
        first response byte
FAIL
FAIL    net/http    14.351s
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commented May 19, 2016

Not only dragonfly but linux-ppc64le-buildlet:
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commented May 19, 2016

and linux-amd64-nocgo:

@mikioh mikioh changed the title net/http: TestTransportEventTrace_h2 fails with empty httptrace.GotConnInfo net/http: TestTransportEventTrace_h2 fails with "expected substring "WroteRequest: {Err:<nil>}" in output." May 19, 2016

@bradfitz bradfitz self-assigned this May 19, 2016

@bradfitz bradfitz added this to the Go1.7 milestone May 19, 2016

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commented May 19, 2016

I have a fix.
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commented May 19, 2016

CL https://golang.org/cl/23254 mentions this issue.
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commented May 19, 2016

CL https://golang.org/cl/23235 mentions this issue.

gopherbot pushed a commit to golang/net that referenced this issue May 20, 2016

@bradfitz
http2: delay sending request body in Transport if 100-continue is set 
In Go 1.6, the HTTP/1 client got Transport.ExpectContinueTimeout.

This makes the HTTP/2 client respect a Request's "Expect:
100-continue" field and the Transport.ExpectContinueTimeout
configuration.

This also makes sure to call the traceWroteRequest hook if the server
replied while we're still writing the request, since that code was
in the same spot and it couldn't be trivially separated.

Updates golang/go#13851 (fixed after integrating it into std)
Updates golang/go#15744

Change-Id: I67dfd68532daa6c4a0c026549c6e5cbfce50e1ea
Reviewed-on: https://go-review.googlesource.com/23235
Reviewed-by: Andrew Gerrand <adg@golang.org>
202ff48

@gopherbot gopherbot closed this in 16f846a May 20, 2016

@golang golang locked and limited conversation to collaborators May 20, 2017

@gopherbot gopherbot added the FrozenDueToAge label May 20, 2017

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