File webInfClassesDir = new File(webInfDir, "classes");
if (webInfClassesDir.exists())
IO.delete(webInfClassesDir);
webInfClassesDir.mkdir();
LOG.debug("Copying WEB-INF/classes from "+web_inf_classes+" to "+webInfClassesDir.getAbsolutePath());
web_inf_classes.copyTo(webInfClassesDir);
}
web_inf=Resource.newResource(extractedWebInfDir.getCanonicalPath());
ResourceCollection rc = new ResourceCollection(web_inf,web_app);