Attempted to send a bulk request to Elasticsearch configured at '["http://127.0.0.1:9200/"]', but Elasticsearch appears to be unreachable or down! {:error_message=>"Connection refused (Connection refused)", :class=>"Manticore::SocketException", :client_config=>{:hosts=>["http://127.0.0.1:9200/"], :ssl=>nil, :transport_options=>{:socket_timeout=>0, :request_timeout=>0, :proxy=>nil, :ssl=>{}}, :transport_class=>Elasticsearch::Transport::Transport::HTTP::Manticore, :logger=>nil, :tracer=>nil, :reload_connections=>false, :retry_on_failure=>false, :reload_on_failure=>false, :randomize_hosts=>false, :http=>{:scheme=>"http", :user=>nil, :password=>nil, :port=>9200}}, :level=>:error}