private repo - go 1.13 - `go mod ..` failed: ping “sum.golang.org/lookup” .. verifying package .. 410 gone

Question

I am using golang 1.13 .

I have a project that depends on a private gitlab project.

I have the ssh keys for the same.

When I try to retrieve the depen

Answer 1

Change following go variable's setting and then upgrade your package,

$ export GO111MODULE=on
$ export GOPROXY=direct
$ export GOSUMDB=off
$ go get -u