liubao68 commented on a change in pull request #767: [SCB-662]Using 
cse/servicecomb duplicate key will get list of values
URL: 
https://github.com/apache/incubator-servicecomb-java-chassis/pull/767#discussion_r195391079
 
 

 ##########
 File path: 
foundations/foundation-config/src/main/java/org/apache/servicecomb/config/ConfigUtil.java
 ##########
 @@ -171,7 +171,14 @@ private static void 
duplicateServiceCombConfigToCse(AbstractConfiguration source
       }
 
       String cseKey = CONFIG_CSE_PREFIX + key.substring(key.indexOf(".") + 1);
-      source.addProperty(cseKey, source.getProperty(key));
+      if (!source.containsKey(cseKey)) {
+        source.addProperty(cseKey, source.getProperty(key));
+      } else {
+        LOGGER
+            .warn(
 
 Review comment:
   "stop working" can not be applied because we may configure some default 
values using cse or servicecomb, if doing this users code have to change to 
work properly. We can't do this now.

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