Return-Path: Delivered-To: apmail-lucene-hadoop-dev-archive@locus.apache.org Received: (qmail 33643 invoked from network); 8 Mar 2007 19:00:54 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 8 Mar 2007 19:00:53 -0000 Received: (qmail 66477 invoked by uid 500); 8 Mar 2007 19:00:59 -0000 Delivered-To: apmail-lucene-hadoop-dev-archive@lucene.apache.org Received: (qmail 66451 invoked by uid 500); 8 Mar 2007 19:00:59 -0000 Mailing-List: contact hadoop-dev-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-dev@lucene.apache.org Received: (qmail 66442 invoked by uid 99); 8 Mar 2007 19:00:59 -0000 Received: from herse.apache.org (HELO herse.apache.org) (140.211.11.133) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 08 Mar 2007 11:00:59 -0800 X-ASF-Spam-Status: No, hits=0.0 required=10.0 tests= X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO brutus.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 08 Mar 2007 11:00:50 -0800 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id B01A671407A for ; Thu, 8 Mar 2007 11:00:28 -0800 (PST) Message-ID: <22622491.1173380428718.JavaMail.root@brutus> Date: Thu, 8 Mar 2007 11:00:28 -0800 (PST) From: "Nigel Daley (JIRA)" To: hadoop-dev@lucene.apache.org Subject: [jira] Created: (HADOOP-1092) NullPointerException in HeartbeatMonitor thread MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org NullPointerException in HeartbeatMonitor thread ----------------------------------------------- Key: HADOOP-1092 URL: https://issues.apache.org/jira/browse/HADOOP-1092 Project: Hadoop Issue Type: Bug Components: dfs Affects Versions: 0.12.0 Reporter: Nigel Daley Priority: Blocker Fix For: 0.12.1 Running NNBench with latest trunk, I saw this NPE in the Namenode log: Exception in thread "org.apache.hadoop.dfs.FSNamesystem$HeartbeatMonitor@182bcde" java.lang.NullPointerException at org.apache.hadoop.dfs.FSNamesystem.countContainingNodes(FSNamesystem.java:2506) at org.apache.hadoop.dfs.FSNamesystem.access$000(FSNamesystem.java:52) at org.apache.hadoop.dfs.FSNamesystem$UnderReplicationBlocks.update(FSNamesystem.java:456) at org.apache.hadoop.dfs.FSNamesystem.removeStoredBlock(FSNamesystem.java:2242) at org.apache.hadoop.dfs.FSNamesystem.removeDatanode(FSNamesystem.java:1876) at org.apache.hadoop.dfs.FSNamesystem.heartbeatCheck(FSNamesystem.java:1958) at org.apache.hadoop.dfs.FSNamesystem$HeartbeatMonitor.run(FSNamesystem.java:1698) at java.lang.Thread.run(Thread.java:619) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.