diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/webhdfs/ParameterParser.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/webhdfs/ParameterParser.java
index aaaba7326a0..233b4f233e8 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/webhdfs/ParameterParser.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/webhdfs/ParameterParser.java
@@ -58,8 +58,7 @@ class ParameterParser {
   private final Map<String, List<String>> params;
 
   ParameterParser(QueryStringDecoder decoder, Configuration conf) {
-    this.path = decodeComponent(decoder.path().substring(WEBHDFS_PREFIX_LENGTH),
-        StandardCharsets.UTF_8);
+    this.path = decoder.path().substring(WEBHDFS_PREFIX_LENGTH);
     this.params = decoder.parameters();
     this.conf = conf;
   }
diff --git a/hadoop-project/pom.xml b/hadoop-project/pom.xml
index c6045a9c2f4..d6252df8fd5 100644
--- a/hadoop-project/pom.xml
+++ b/hadoop-project/pom.xml
@@ -716,7 +716,7 @@
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-all</artifactId>
-        <version>4.0.23.Final</version>
+        <version>4.0.52.Final</version>
       </dependency>
 
       <dependency>