No living connections Error while Elasticsearch connections in nodejs
<p>I am having this problem while connecting the elasticsearch connections.</p>

<pre><code>
var elasticsearch = require('elasticsearch');
var client = new elasticsearch.Client({ host: 'localhost:9200',
                                       log: 'trace'});

</code>
</pre>

<pre>

Elasticsearch ERROR: 2016-07-19T19:09:26Z
  Error: Request error, retrying -- connect ECONNREFUSED 127.0.0.1:9200
      at Log.error (/root/git_build/FirstMoveChess/node_modules/elasticsearch/src/lib/log.js:225:56)
      at checkRespForFailure (/root/git_build/FirstMoveChess/node_modules/elasticsearch/src/lib/transport.js:195:18)
      at HttpConnector. (/root/git_build/FirstMoveChess/node_modules/elasticsearch/src/lib/connectors/http.js:154:7)
      at ClientRequest.bound (/root/git_build/FirstMoveChess/node_modules/lodash-node/modern/internals/baseBind.js:56:17)
      at emitOne (events.js:96:13)
      at ClientRequest.emit (events.js:188:7)
      at Socket.socketErrorListener (_http_client.js:308:9)
      at emitOne (events.js:96:13)
      at Socket.emit (events.js:188:7)
      at emitErrorNT (net.js:1272:8)
      at _combinedTickCallback (internal/process/next_tick.js:74:11)
      at process._tickCallback (internal/process/next_tick.js:98:9)

Elasticsearch TRACE: 2016-07-19T19:09:27Z
  -> HEAD http://localhost:9200/

  
</pre>