From ab3885f2c8cfd63ff94e548c40db3b4ea52c12e8 Mon Sep 17 00:00:00 2001
From: Xiaoyu Yao <xyao@apache.org>
Date: Mon, 4 Jun 2018 08:55:01 -0700
Subject: [PATCH] HDDS-126. Fix findbugs warning in MetadataKeyFilters.java.
 Contributed by Akira Ajisaka.

---
 .../main/java/org/apache/hadoop/utils/MetadataKeyFilters.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/MetadataKeyFilters.java b/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/MetadataKeyFilters.java
index d3a29435de3..153e2f79441 100644
--- a/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/MetadataKeyFilters.java
+++ b/hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/MetadataKeyFilters.java
@@ -19,6 +19,7 @@ package org.apache.hadoop.utils;
 
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
+import org.apache.hadoop.hdfs.DFSUtil;
 import org.apache.hadoop.ozone.OzoneConsts;
 
 /**
@@ -94,7 +95,7 @@ public final class MetadataKeyFilters {
       if (Strings.isNullOrEmpty(keyPrefix)) {
         accept = true;
       } else {
-        byte [] prefixBytes = keyPrefix.getBytes();
+        byte [] prefixBytes = DFSUtil.string2Bytes(keyPrefix);
         if (currentKey != null && prefixMatch(prefixBytes, currentKey)) {
           keysHinted++;
           accept = true;