this.exchange.setOutMessage(null);
// install default interceptors
chain.add(new ServiceInvokerInterceptor());
chain.add(new OutgoingChainInterceptor());
// install interceptors for handler processing
chain.add(new MustUnderstandInterceptor());
chain.add(new LogicalHandlerInInterceptor(binding));
chain.add(new SOAPHandlerInterceptor(binding));