MdcInjectionFilter mdcFilter = new MdcInjectionFilter();
acceptor.getFilterChain().addLast("mdcFilter", mdcFilter);
SessionFilter sessionFilter = getSessionFilter();
if (sessionFilter != null) {
// add and IP filter to the filter chain.
acceptor.getFilterChain().addLast("sessionFilter",
new MinaSessionFilter(sessionFilter));
}