heyile commented on a change in pull request #947:  [SCB-837] make http2 
production ready
URL: 
https://github.com/apache/incubator-servicecomb-java-chassis/pull/947#discussion_r226131786
 
 

 ##########
 File path: 
foundations/foundation-vertx/src/main/java/org/apache/servicecomb/foundation/vertx/metrics/DefaultHttpClientMetrics.java
 ##########
 @@ -133,7 +139,24 @@ public void disconnected(Object webSocketMetric) {
 
   @Override
   public DefaultHttpSocketMetric connected(SocketAddress remoteAddress, String 
remoteName) {
-    return new DefaultHttpSocketMetric(null);
+    // when host of createEndpoint is not ip but a hostName
+    // get from remoteAddress will return null
+    // in this time need to try again with remoteName
+    // connected is a low frequency method, this try logic will not cause 
performance problem
+
+    DefaultClientEndpointMetric clientEndpointMetric = 
this.clientEndpointMetricManager
+        .getClientEndpointMetric(remoteAddress);
+    if (clientEndpointMetric == null) {
+      LOGGER.warn("can not find endpointMetric directly by remoteAddress {}, 
try again with remoteName {}",
 
 Review comment:
   ok, get

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