From 687d4dbd1d26c3f6cfd24ee37e872a1fef9552d1 Mon Sep 17 00:00:00 2001
From: Jakob Homan <jghoman@apache.org>
Date: Sat, 12 Jun 2010 02:12:16 +0000
Subject: [PATCH] HADOOP-6682. NetUtils:normalizeHostName does not process
 hostnames starting with [a-f] correctly.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@953929 13f79535-47bb-0310-9956-ffa450edef68
---
 CHANGES.txt                                  | 3 +++
 src/java/org/apache/hadoop/net/NetUtils.java | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/CHANGES.txt b/CHANGES.txt
index 65c4823c347..24da48af1d8 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -87,6 +87,9 @@ Trunk (unreleased changes)
     HADOOP-6613. Moves the RPC version check ahead of the AuthMethod check.
     (Kan Zhang via ddas)
 
+    HADOOP-6682. NetUtils:normalizeHostName does not process hostnames starting
+    with [a-f] correctly. (jghoman)
+
 Release 0.21.0 - Unreleased
 
   INCOMPATIBLE CHANGES
diff --git a/src/java/org/apache/hadoop/net/NetUtils.java b/src/java/org/apache/hadoop/net/NetUtils.java
index e8590618726..bc81d5b79a8 100644
--- a/src/java/org/apache/hadoop/net/NetUtils.java
+++ b/src/java/org/apache/hadoop/net/NetUtils.java
@@ -398,7 +398,7 @@ public class NetUtils {
    * @return its IP address in the string format
    */
   public static String normalizeHostName(String name) {
-    if (Character.digit(name.charAt(0), 16) != -1) { // it is an IP
+    if (Character.digit(name.charAt(0), 10) != -1) { // it is an IP
       return name;
     } else {
       try {