HDFS-11665. HttpFSServerWebServer$deprecateEnv may leak secret. Contributed by John Zhuge.

hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/fs/http/server/HttpFSServerWebServer.java

@@ -123,10 +123,9 @@ public class HttpFSServerWebServer {
     if (value == null) {
       return;
     }
-    String propValue = conf.get(propName);
-    LOG.warn("Environment variable {} = '{}' is deprecated and overriding"
-            + " property {} = '{}', please set the property in {} instead.",
-        varName, value, propName, propValue, confFile);
+    LOG.warn("Environment variable {} is deprecated and overriding"
+            + " property {}', please set the property in {} instead.",
+        varName, propName, confFile);
     conf.set(propName, value, "environment variable " + varName);
   }