HDDS-7193. S3gateway Grpc Ranger Authorizer NPE Unhandled Exception (#3749)

Co-authored-by: neils-dev <neil2021.gres@gmai.com>
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
index f3be612..baaa9f9 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
+++ b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
@@ -4149,7 +4149,7 @@
       InetAddress remoteIp = Server.getRemoteIp();
       resolved = resolveBucketLink(requested, new HashSet<>(),
           ugi,
-          remoteIp,
+          remoteIp != null ? remoteIp : omRpcAddress.getAddress(),
           remoteIp != null ? remoteIp.getHostName() :
               omRpcAddress.getHostName());
     } else {