Return-Path: Delivered-To: apmail-hadoop-common-dev-archive@www.apache.org Received: (qmail 1936 invoked from network); 3 Nov 2009 20:17:58 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 3 Nov 2009 20:17:58 -0000 Received: (qmail 64460 invoked by uid 500); 3 Nov 2009 20:17:57 -0000 Delivered-To: apmail-hadoop-common-dev-archive@hadoop.apache.org Received: (qmail 63915 invoked by uid 500); 3 Nov 2009 20:17:56 -0000 Mailing-List: contact common-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-dev@hadoop.apache.org Delivered-To: mailing list common-dev@hadoop.apache.org Received: (qmail 63905 invoked by uid 99); 3 Nov 2009 20:17:56 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 Nov 2009 20:17:56 +0000 X-ASF-Spam-Status: No, hits=-10.5 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI 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; Tue, 03 Nov 2009 20:17:52 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id BD4EB234C4B4 for ; Tue, 3 Nov 2009 12:17:32 -0800 (PST) Message-ID: <1580072328.1257279452774.JavaMail.jira@brutus> Date: Tue, 3 Nov 2009 20:17:32 +0000 (UTC) From: "Tsz Wo (Nicholas), SZE (JIRA)" To: common-dev@hadoop.apache.org Subject: [jira] Created: (HADOOP-6359) NetworkTopology.chooseRandom(..) throws an IllegalArgumentException MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 NetworkTopology.chooseRandom(..) throws an IllegalArgumentException ------------------------------------------------------------------- Key: HADOOP-6359 URL: https://issues.apache.org/jira/browse/HADOOP-6359 Project: Hadoop Common Issue Type: Bug Reporter: Tsz Wo (Nicholas), SZE When numOfDatanodes == 0, NetworkTopology.chooseRandom(..) throws an IllegalArgumentException. {noformat} 2009-09-30 00:12:50,768 ERROR org.mortbay.log: /nn_browsedfscontent.jsp java.lang.IllegalArgumentException: n must be positive at java.util.Random.nextInt(Random.java:250) at org.apache.hadoop.net.NetworkTopology.chooseRandom(NetworkTopology.java:536) at org.apache.hadoop.net.NetworkTopology.chooseRandom(NetworkTopology.java:504) ... {noformat} -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.