Return-Path: X-Original-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id DCB78C7CA for ; Wed, 16 May 2012 05:57:11 +0000 (UTC) Received: (qmail 7219 invoked by uid 500); 16 May 2012 05:57:09 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 7163 invoked by uid 500); 16 May 2012 05:57:09 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-issues@hadoop.apache.org Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 6584 invoked by uid 99); 16 May 2012 05:56:59 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 16 May 2012 05:56:59 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=5.0 tests=ALL_TRUSTED,T_RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.116] (HELO hel.zones.apache.org) (140.211.11.116) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 16 May 2012 05:56:57 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id BF3426F1E for ; Wed, 16 May 2012 05:56:22 +0000 (UTC) Date: Wed, 16 May 2012 05:56:22 +0000 (UTC) From: "Todd Lipcon (JIRA)" To: common-issues@hadoop.apache.org Message-ID: <53240570.2910.1337147782784.JavaMail.tomcat@hel.zones.apache.org> In-Reply-To: <699453940.43858.1336564673164.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] [Updated] (HADOOP-8372) normalizeHostName() in NetUtils is not working properly in resolving a hostname start with numeric character MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HADOOP-8372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Todd Lipcon updated HADOOP-8372: -------------------------------- Fix Version/s: (was: 3.0.0) (was: 2.0.0) 2.0.1 > normalizeHostName() in NetUtils is not working properly in resolving a hostname start with numeric character > ------------------------------------------------------------------------------------------------------------ > > Key: HADOOP-8372 > URL: https://issues.apache.org/jira/browse/HADOOP-8372 > Project: Hadoop Common > Issue Type: Bug > Components: io, util > Affects Versions: 1.0.0, 0.23.0 > Reporter: Junping Du > Assignee: Junping Du > Fix For: 2.0.1 > > Attachments: HADOOP-8372-v2.patch, HADOOP-8372-v3.patch, HADOOP-8372.patch, HADOOP-8372.patch > > > A valid host name can start with numeric value (You can refer RFC952, RFC1123 or http://www.zytrax.com/books/dns/apa/names.html), so it is possible in a production environment, user name their hadoop nodes as: 1hosta, 2hostb, etc. But normalizeHostName() will recognise this hostname as IP address and return directly rather than resolving the real IP address. These nodes will be failed to get correct network topology if topology script/TableMapping only contains their IPs (without hostname). -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira