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x/crypto: ssh.Client.NewSession() return {OpenChannelError: 2} when create sftp client with one same ssh client #37057

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ling2yt opened this issue Feb 5, 2020 · 1 comment
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x/crypto: ssh.Client.NewSession() return {OpenChannelError: 2} when create sftp client with one same ssh client #37057

ling2yt opened this issue Feb 5, 2020 · 1 comment
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@ling2yt
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ling2yt commented Feb 5, 2020 •
edited

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

$ go version
go version go1.13.4 darwin/amd64

Does this issue reproduce with the latest release?

not check

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

go env Output
$ go env
GO111MODULE="on"
GOARCH="amd64"
GOBIN=""
GOCACHE="****"
GOENV="****"
GOEXE=""
GOFLAGS=" -mod="
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="****"
GOPRIVATE=""
GOPROXY="direct"
GOROOT="/usr/local/Cellar/go/1.13.4/libexec"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/Cellar/go/1.13.4/libexec/pkg/tool/darwin_amd64"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="****"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/y1/_847f7z555g5vt1p8d85kh1w0000gn/T/go-build040337807=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

I create one ssh client and new almost 12 sftp client on
the func is as follows:
sftpClient, err := sftp.NewClient(sshClient)

I got the error when I create the 11th or 12th sftp session like :
{
Reason: 2,
Message: "open failed",
}

Is there any restrict of the number when creating the sftp client on one ssh client ?

What did you expect to see?

What did you see instead?
@gopherbot gopherbot added this to the Unreleased milestone Feb 5, 2020
@cagedmantis
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We don't really use our issue tracker for questions. More people will see your question, and you will get better answers, if you ask on a forum rather than on the issue tracker. See https://golang.org/wiki/Questions.

@golang golang locked and limited conversation to collaborators Feb 6, 2021
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@cagedmantis @ling2yt @gopherbot