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 <[email protected]> Authored: Thu Jan 7 10:42:48 2016 +0530 Committer: rohithsharmaks <[email protected]> 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!
