HDDS-608. Access denied exception for user hdfs while making getContainerWithPipeline call. Contributed by Mukul Kumar Singh.

hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/SCMClientProtocolServer.java

@@ -187,7 +187,7 @@ public class SCMClientProtocolServer implements
       }
     }
     String remoteUser = getRpcRemoteUsername();
-    getScm().checkAdminAccess(remoteUser);
+    getScm().checkAdminAccess(null);
     return scm.getContainerManager()
         .getContainerWithPipeline(containerID);
   }