gemstash problem

gemstash_problem.shell

 $ cat /etc/nginx/sites-available/gemstash.conf
server {
        listen 80;
        listen [::]:80;

        server_name gemstash;
        keepalive_timeout 0;

        location / {
                proxy_pass http://127.0.0.1:9292;
        }
}

 $ cat Gemfile
source "http://gemstash/"
gem "main"

 $ bundle install
Fetching gem metadata from http://gemstash/...........
Fetching version metadata from http://gemstash/..
Gem::RemoteFetcher::FetchError: too many connection resets (http://gemstash/gems/arrayfields-4.9.2.gem)
Gem::RemoteFetcher::FetchError: too many connection resets (http://gemstash/gems/chronic-0.10.2.gem)
Gem::RemoteFetcher::FetchError: too many connection resets (http://gemstash/gems/fattr-2.2.2.gem)
Gem::RemoteFetcher::FetchError: too many connection resets (http://gemstash/gems/map-6.5.5.gem)
Using bundler 1.11.2
An error occurred while installing arrayfields (4.9.2), and Bundler cannot continue.
Make sure that `gem install arrayfields -v '4.9.2'` succeeds before bundling.