@Override
    public String hello() {
        RpcInvokeContext context = RpcInvokeContext.getContext();
        LOGGER.info("-----b-----:" + context);
        reqBaggage = context.getRequestBaggage("reqBaggageB");
        if (reqBaggage != null) {
            context.putResponseBaggage("respBaggageB", "b2aaa");
        } else {
            context.putResponseBaggage("respBaggageB_force", "b2aaaff");
        }
        String s1 = sampleServiceC.hello();
        String s2 = sampleServiceD.hello();
        return s1 + s2;
    }
@author <a href="mailto:zhanggeng.zg@antfin.com">GengZhang</a>
test/test-integration/src/test/java/com/alipay/sofa/rpc/test/baggage/BSampleServiceImpl.java