title: Getting an error "unable to resolve class org.jfree.util.Log grails" after upgrading grails from 1.3.x to 2.0.4
body: <p>I have app developed in grails 1.3.x version, i upgraded to 2.0.4, I have a <code>Log.debug()</code>  statement and importing <code>import org.jfree.util.Log</code> package, When i run the app, its giving me the error.</p>
  
  <pre><code>unable to resolve class org.jfree.util.Log grails
  </code></pre>
  
  <p>What is the configuration for log4j after upgrading, how to resolve this issue. </p>