parserFactory.setSchema(s);
parserFactory.setNamespaceAware(true);
parser = parserFactory.newSAXParser();
//Get back to the beginning of the stream
is.reset();
JPAHandler handler = new JPAHandler(b, epr.getVersion());
parser.parse(is, handler);
persistenceUnits.addAll(handler.getPersistenceUnits());
}