@Override
                    public void onSofaException(SofaRpcException sofaException, String methodName, RequestBase request) {
                        latch.countDown();
                    }
set config parameter to using http2 with 'upgrade h2c' startup frame
test/test-integration/src/test/java/com/alipay/sofa/rpc/transport/http/Http2ClearTextHttpUpgradeTest.java