Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 67528 invoked from network); 8 Aug 2008 18:15:08 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 8 Aug 2008 18:15:08 -0000 Received: (qmail 21100 invoked by uid 500); 8 Aug 2008 18:15:03 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 21072 invoked by uid 500); 8 Aug 2008 18:15:03 -0000 Mailing-List: contact core-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-dev@hadoop.apache.org Received: (qmail 21053 invoked by uid 99); 8 Aug 2008 18:15:03 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 08 Aug 2008 11:15:03 -0700 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 08 Aug 2008 18:14:15 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id AA85A234C1B9 for ; Fri, 8 Aug 2008 11:13:44 -0700 (PDT) Message-ID: <2035199028.1218219224697.JavaMail.jira@brutus> Date: Fri, 8 Aug 2008 11:13:44 -0700 (PDT) From: "Robert Chansler (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Updated: (HADOOP-3612) NPE if the system can't determine its own name and you go DNS.getDefaultHost(null) In-Reply-To: <1002542975.1213988745040.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HADOOP-3612?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Robert Chansler updated HADOOP-3612: ------------------------------------ Component/s: dfs > NPE if the system can't determine its own name and you go DNS.getDefaultHost(null) > ---------------------------------------------------------------------------------- > > Key: HADOOP-3612 > URL: https://issues.apache.org/jira/browse/HADOOP-3612 > Project: Hadoop Core > Issue Type: Bug > Components: dfs > Affects Versions: 0.18.0 > Reporter: Steve Loughran > Assignee: Steve Loughran > Priority: Minor > > In a test case that I am newly writing, on my infamous "home machine with broken DNS", I cant call getByName(null) without seeing a stack trace: > Testcase: testNullInterface took 0.014 sec > Caused an ERROR > null > java.lang.NullPointerException > at java.net.NetworkInterface.getByName(NetworkInterface.java:226) > at org.apache.hadoop.net.DNS.getIPs(DNS.java:94) > at org.apache.hadoop.net.DNS.getHosts(DNS.java:141) > at org.apache.hadoop.net.DNS.getDefaultHost(DNS.java:218) > at org.apache.hadoop.net.DNS.getDefaultHost(DNS.java:235) > at org.apache.hadoop.net.TestDNS.testNullInterface(TestDNS.java:62) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.