YARN-10081. Exception message from ClientRMProxy#getRMAddress is misleading. Contributed by Ravuri Sushma Sree

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/ClientRMProxy.java

@@ -104,7 +104,7 @@ public class ClientRMProxy<T> extends RMProxy<T>  {
     } else {
       String message = "Unsupported protocol found when creating the proxy " +
           "connection to ResourceManager: " +
-          ((protocol != null) ? protocol.getClass().getName() : "null");
+          ((protocol != null) ? protocol.getName() : "null");
       LOG.error(message);
       throw new IllegalStateException(message);
     }