title: Maven jetty plugin,how to do this:modify the class with out restart server
body: <p>Some days early,my pm asked us to use maven and jetty to development and debug the app,but i had never used them any more.
  Right now , <strong>i can't to hot deploy the app with out restart the jetty</strong>,if i modify the app with restart the jetty every time ,i will be crazy.It waste lot of time.</p>
  
  <p>So,i hope somebody can help me that,how to config this.</p>
  
  <p>Thanks.</p>