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Subject [38/50] [abbrv] hadoop git commit: HADOOP-12687. SecureUtil#QualifiedHostResolver#getByName should also try to resolve direct hostname (Sunil G via rohithsharmaks)
Date Thu, 07 Jan 2016 22:41:55 GMT
HADOOP-12687. SecureUtil#QualifiedHostResolver#getByName should also try to resolve direct
hostname (Sunil G via rohithsharmaks)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/2b252844
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/2b252844
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/2b252844

Branch: refs/heads/HDFS-1312
Commit: 2b252844e04eebd4f32815d4bd6f914c02994709
Parents: 791c163
Author: rohithsharmaks <rohithsharmaks@apache.org>
Authored: Thu Jan 7 10:42:48 2016 +0530
Committer: rohithsharmaks <rohithsharmaks@apache.org>
Committed: Thu Jan 7 10:42:48 2016 +0530

----------------------------------------------------------------------
 hadoop-common-project/hadoop-common/CHANGES.txt                | 4 ++++
 .../src/main/java/org/apache/hadoop/security/SecurityUtil.java | 6 ++++++
 2 files changed, 10 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/2b252844/hadoop-common-project/hadoop-common/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 770d37d..4631165 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -660,6 +660,10 @@ Release 2.9.0 - UNRELEASED
 
   BUG FIXES
 
+    HADOOP-12687. SecureUtil#QualifiedHostResolver#getByName should also try to
+    resolve direct hostname, incase multiple loopback addresses are present in
+    /etc/hosts (Sunil G via rohithsharmaks)
+
 Release 2.8.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/2b252844/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
index 38096ab..714c923 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
@@ -580,7 +580,13 @@ public class SecurityUtil {
           addr = getByNameWithSearch(host);
           if (addr == null) {
             addr = getByExactName(host);
+            // If multiple loopback addresses are present, a direct lookup
+            // will be helpful
+            if (addr == null) {
+              addr = InetAddress.getByName(host);
+            }
           }
+
         }
       }
       // unresolvable!


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