jetty-web.xml

<?xml version="1.0"  encoding="ISO-8859-1"?>
<!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN" "http://jetty.mortbay.org/configure.dtd">

<Configure class="org.eclipse.jetty.webapp.WebAppContext">
    <Set class="org.eclipse.jetty.util.resource.Resource" name="defaultUseCaches">false</Set>
</Configure>