Return-Path: Delivered-To: apmail-lucene-hadoop-commits-archive@locus.apache.org Received: (qmail 77999 invoked from network); 25 Mar 2007 13:16:28 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 25 Mar 2007 13:16:28 -0000 Received: (qmail 53597 invoked by uid 500); 25 Mar 2007 13:16:35 -0000 Delivered-To: apmail-lucene-hadoop-commits-archive@lucene.apache.org Received: (qmail 53575 invoked by uid 500); 25 Mar 2007 13:16:35 -0000 Mailing-List: contact hadoop-commits-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hadoop-dev@lucene.apache.org Delivered-To: mailing list hadoop-commits@lucene.apache.org Received: (qmail 53566 invoked by uid 99); 25 Mar 2007 13:16:35 -0000 Received: from herse.apache.org (HELO herse.apache.org) (140.211.11.133) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 25 Mar 2007 06:16:35 -0700 X-ASF-Spam-Status: No, hits=-99.5 required=10.0 tests=ALL_TRUSTED,NO_REAL_NAME X-Spam-Check-By: apache.org Received: from [140.211.11.3] (HELO eris.apache.org) (140.211.11.3) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 25 Mar 2007 06:16:27 -0700 Received: by eris.apache.org (Postfix, from userid 65534) id 290871A9838; Sun, 25 Mar 2007 06:16:07 -0700 (PDT) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: svn commit: r522260 - in /lucene/hadoop/trunk: CHANGES.txt src/java/org/apache/hadoop/dfs/FSNamesystem.java Date: Sun, 25 Mar 2007 13:16:07 -0000 To: hadoop-commits@lucene.apache.org From: tomwhite@apache.org X-Mailer: svnmailer-1.1.0 Message-Id: <20070325131607.290871A9838@eris.apache.org> X-Virus-Checked: Checked by ClamAV on apache.org Author: tomwhite Date: Sun Mar 25 06:16:06 2007 New Revision: 522260 URL: http://svn.apache.org/viewvc?view=rev&rev=522260 Log: HADOOP-1122. Fix divide-by-zero exception in FSNamesystem chooseTarget method. Contributed by Dhruba Borthakur. Modified: lucene/hadoop/trunk/CHANGES.txt lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSNamesystem.java Modified: lucene/hadoop/trunk/CHANGES.txt URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/CHANGES.txt?view=diff&rev=522260&r1=522259&r2=522260 ============================================================================== --- lucene/hadoop/trunk/CHANGES.txt (original) +++ lucene/hadoop/trunk/CHANGES.txt Sun Mar 25 06:16:06 2007 @@ -34,6 +34,9 @@ 10. HADOOP-1068. Improve error message for clusters with 0 datanodes. (Dhruba Borthakur via tomwhite) +11. HADOOP-1122. Fix divide-by-zero exception in FSNamesystem + chooseTarget method. (Dhruba Borthakur via tomwhite) + Release 0.12.2 - 2007-23-17 Modified: lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSNamesystem.java URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSNamesystem.java?view=diff&rev=522260&r1=522259&r2=522260 ============================================================================== --- lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSNamesystem.java (original) +++ lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSNamesystem.java Sun Mar 25 06:16:06 2007 @@ -2794,8 +2794,9 @@ List choosenNodes, List excludedNodes, long blocksize ) { - if( numOfReplicas == 0 ) + if( numOfReplicas == 0 || clusterMap.getNumOfLeaves()==0 ) { return new DatanodeDescriptor[0]; + } if( excludedNodes == null) { excludedNodes = new ArrayList();