The HTTP Post request made in wendelin_client::handleRequest (at ebulk-data/embulk-wendelin-dataset-tool/lib/embulk/wendelin_client.rb) fails with error: Received fatal alert: handshake_failure

The code of the request:

req = Net::HTTP::Post.new(uri) res = Net::HTTP.start(uri.hostname, uri.port, :use_ssl => (uri.scheme == 'https'), :verify_mode => OpenSSL::SSL::VERIFY_NONE, :ssl_timeout => 300, :open_timeout => 300, :read_timeout => 300, ) do |http| http.request(req) end

The handshake_failure could be because of an incompatibility problem with the server due to certificates, SSL versions, etc.