title: How To Implement a progress bar using Spring 3 MVC?
body: <p>Can anyone teach me or direct to a working example to satisfy this requirement.</p>
  
  <p>Scenario:</p>
  
  <ol>
  <li>List item My Web App is using spring mvc.</li>
  <li>One of the services it provides is that when the user clicks on a button a long running process will occur on the server. (Query database, write files, write logs, etc...) this process can take a few seconds or a few minutes.</li>
  <li><p><em><strong></em>*Problem*<em>*</em>*</strong>
  How can I implement the service to update the client of its progress.</p>
  
  <hr></li>
  <li><p>The service returns true or false if the process was successful.</p></li>
  </ol>
  
  <p>Thanks for your replies. A code snippet or a complete tutorial will be most helpful. </p>