}
// new ServerStream for processing servers headers
session.setServer(new NullStream(serverout));
// new ClientStream, because after close() link to ServerStream will
// lose
setServer(new Stream(this, session.getServer()));
clientout = ((Element) ((Service) element).getElement())
.get(getServer());
((Stream) getClient().outputstream).outputstream = clientout;
session.getClient().getFields()
.put("range", "bytes=" + index + "-");