title: Log4J different log level for each package in log4j2.xml
body: <p>I have a java web app with <code>log4j2.xml</code> 
  I need to have a different level for each package
  for example:</p>
  
  <p><code>com.myexample.firstmodule.*</code> this should be with <code>INFO</code> level
  <code>com.myexample.secondmodule.*</code> this should be with <code>TRACE</code> level</p>
  
  <p>I found some answers telling how to do that in <code>.propreties</code> file, but I couldn't understand how to do it with <code>.xml</code></p>
  
  <p>Anyone can help with that, please?</p>
  
  <p>Thanks in advance</p>