title: Grails: Resolving "Server failed to start for port 8080: Address already in use."
body: <p>I'm getting this error when trying to resolve "<code>Server failed to start for port 8080: Address already in use</code>"</p>
  
  <pre><code> Error executing script 8888: For input string: ""
  </code></pre>
  
  <p>Can anybody help? Don't know what's wrong. Thanks.</p>