Hexiaoqiao commented on code in PR #6951:
URL: https://github.com/apache/hadoop/pull/6951#discussion_r1685331915


##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java:
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@@ -8838,6 +8838,10 @@ private Supplier<String> 
getLockReportInfoSupplier(String src, String dst,
       UserGroupInformation ugi = Server.getRemoteUser();
       String userName = ugi != null ? ugi.toString() : null;
       InetAddress addr = Server.getRemoteIp();
+      if (addr != null) {

Review Comment:
   Strong +1 to update TestFSNamesystemLockReport only. And move log out of 
lock could improve at next PR. Thanks.



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