title: Zeppelin change port already in use by Spark Master
body: <p>When I start zeppelin on AWS, It starts on port 8080, but there is Spark Master so it says port already in use... I tried changing port in zeppelin in config files, in "zeppelin-site.xml.template"</p>
  
  <pre><code>&lt;property&gt;
    &lt;name&gt;zeppelin.server.port&lt;/name&gt;
    &lt;value&gt;8050&lt;/value&gt;
    &lt;description&gt;Server port.&lt;/description&gt;
  &lt;/property&gt;
  </code></pre>
  
  <p>I made it too in "zeppelin-env.sh.template" adding the env line for the same port.</p>
  
  <p>When I start zeppelin, I get OK, but if I see the open ports, It doesn't appear 8050 anywhere, so looks like It is still trying to deploy on port 8080, where Spark Master is...</p>
  
  <p>Someone who got zeppelin not ignoring changed port?</p>
  
  <p>Thanks</p>