Errno::econnreste:an existing connection was forcibly closed by the remote

From https://ruby.taobao.org/

Due to domestic network reasons (you know), the intermittent connection to the resource file that rubygems.org stored on Amazon S3 failed. So you will encounter gem install rack or bundle install when the time is not responding, specifically can be used gem install rails -V to view the execution process.

This is a full rubygems.org image, you can use this instead of the official version, the synchronization frequency is currently 15 minutes to ensure that as far as possible to synchronize with the official services.
How do I use it?

$ gem Sources--add https://ruby.taobao.org/--remove https://rubygems.org/$ gem sources-l*** current sources ***http s://ruby.taobao.org# Make sure only ruby.taobao.org$ gem Install rails  

Errno::econnreste:an existing connection was forcibly closed by the remote