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HADOOP-9369. DNS#reverseDns() can return hostname with . appended at the end. Contributed by Karthik Kambatla. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1454173 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2013-03-07 23:51:43 +00:00
parent d46bbdd43f
commit 4dac9a60ef
2 changed files with 9 additions and 1 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -71,6 +71,9 @@ Release 2.0.5-beta - UNRELEASED
HADOOP-9337. org.apache.hadoop.fs.DF.getMount() does not work on Mac OS. HADOOP-9337. org.apache.hadoop.fs.DF.getMount() does not work on Mac OS.
(Ivan A. Veselovsky via atm) (Ivan A. Veselovsky via atm)
HADOOP-9369. DNS#reverseDns() can return hostname with . appended at the
end. (Karthik Kambatla via atm)
Release 2.0.4-alpha - UNRELEASED Release 2.0.4-alpha - UNRELEASED
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

7
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/DNS.java
View File

@ -89,7 +89,12 @@ public class DNS {
ictx.close(); ictx.close();
} }
return attribute.get("PTR").get().toString(); String hostname = attribute.get("PTR").get().toString();
int hostnameLength = hostname.length();
if (hostname.charAt(hostnameLength - 1) == '.') {
hostname = hostname.substring(0, hostnameLength - 1);
}
return hostname;
} }
/** /**