partialResponse.setInterceptorChain(chain);
exchange.put(ConduitSelector.class,
new PreexistingConduitSelector(backChannel,
exchange.get(Endpoint.class)));
if (chain != null && !chain.doIntercept(partialResponse)
&& partialResponse.getContent(Exception.class) != null) {
if (partialResponse.getContent(Exception.class) instanceof Fault) {
throw (Fault)partialResponse.getContent(Exception.class);
} else {
throw new Fault(partialResponse.getContent(Exception.class));