[GitHub] [zeppelin] cuspymd commented on a change in pull request #4122: [ZEPPELIN-5379] LIST_CONFIGURATIONS command cannot return the default…

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cuspymd commented on a change in pull request #4122:
URL: https://github.com/apache/zeppelin/pull/4122#discussion_r635757279



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File path: zeppelin-interpreter/src/main/java/org/apache/zeppelin/conf/ZeppelinConfiguration.java
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@@ -871,6 +871,10 @@ public boolean isPrometheusMetricEnabled() {
         completeConfiguration.put(c.getVarName(), sysConfig.getString(c.getVarName()));
       } else if (envConfig.containsKey(c.name())) {
         completeConfiguration.put(c.getVarName(), envConfig.getString(c.name()));
+      }else {
+        if (getString(c)!=null){
+          completeConfiguration.put(c.getVarName(),getString(c));
+        }

Review comment:
       Since `envConfig` and `sysConfig` are checked in `getString()`, would it be okay to delete lines 870~873?
   
   However, it seems that the check order of `envConfig` and `sysConfig` is different only in `getCompleteConfiguration()`.
   @zjffdu @Reamer  Which of `envConfig` and `sysConfig` takes precedence?




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