title: Download and install button in greyed out in Eclipse for Apache Tomcat v8.0
body: <p>I want Eclipse to download and install Apache Tomcat server environment but that option is greyed out for me</p>
  
  <p><a href="https://i.stack.imgur.com/r9U75.png" rel="noreferrer"><img src="https://i.stack.imgur.com/r9U75.png" alt="enter image description here"></a></p>
  
  <p>Any idea what might be missing?</p>
  
  <pre><code>Eclipse details :
  Eclipse Java EE IDE for Web Developers.
  Version: Mars.2 Release(4.5.2)
  Java 8
  </code></pre>