title: How to catch UrlFetchApp.fetch exception
body: <p>Is there any way to catch the exception from <code>UrlFetchApp.fetch</code>?</p>
  
  <p>I thought I can use <code>response.getResponseCode()</code> to check the response code, but I'm not able to, for e.g when there is 404 error, the script not continue and just stop at <code>UrlFetchApp.fetch</code></p>