YARN-8612. Fix NM Collector Service Port issue in YarnConfiguration. Contributed by Prabha Manepalli.

(cherry picked from commit 1697a0230696e1ed6d9c19471463b44a6d791dfa)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java

@@ -1038,7 +1038,7 @@ public class YarnConfiguration extends Configuration {
       NM_PREFIX + "collector-service.address";
   public static final int DEFAULT_NM_COLLECTOR_SERVICE_PORT = 8048;
   public static final String DEFAULT_NM_COLLECTOR_SERVICE_ADDRESS =
-      "0.0.0.0:" + DEFAULT_NM_LOCALIZER_PORT;
+      "0.0.0.0:" + DEFAULT_NM_COLLECTOR_SERVICE_PORT;
 
   /** Interval in between cache cleanups.*/
   public static final String NM_LOCALIZER_CACHE_CLEANUP_INTERVAL_MS =