Return-Path: Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: (qmail 48957 invoked from network); 23 Feb 2011 14:39:22 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 23 Feb 2011 14:39:22 -0000 Received: (qmail 12812 invoked by uid 500); 23 Feb 2011 14:39:19 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 12578 invoked by uid 500); 23 Feb 2011 14:39:16 -0000 Mailing-List: contact common-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-user@hadoop.apache.org Delivered-To: mailing list common-user@hadoop.apache.org Received: (qmail 12570 invoked by uid 99); 23 Feb 2011 14:39:14 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 23 Feb 2011 14:39:14 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of gcjlhu-hadoop-user@m.gmane.org designates 80.91.229.12 as permitted sender) Received: from [80.91.229.12] (HELO lo.gmane.org) (80.91.229.12) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 23 Feb 2011 14:39:04 +0000 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1PsFrT-0007f1-B8 for common-user@hadoop.apache.org; Wed, 23 Feb 2011 15:38:39 +0100 Received: from c-68-47-130-2.hsd1.ar.comcast.net ([68.47.130.2]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 23 Feb 2011 15:38:39 +0100 Received: from sales by c-68-47-130-2.hsd1.ar.comcast.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 23 Feb 2011 15:38:39 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: common-user@hadoop.apache.org From: "gmane.org" Subject: NullPointerException on namenode Date: Wed, 23 Feb 2011 08:38:25 -0600 Lines: 39 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: c-68-47-130-2.hsd1.ar.comcast.net X-MSMail-Priority: Normal X-Newsreader: Microsoft Windows Mail 6.0.6002.18197 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18263 X-Virus-Checked: Checked by ClamAV on apache.org I restarted the cluster after the server was way overload by other task and now I get this 2011-02-23 08:36:18,307 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: java.lang.NullPointerException at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addChild(FSDirectory.java:1088) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addChild(FSDirectory.java:1100) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addNode(FSDirectory.java:1003) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedAddFile(FSDirectory.java:206) at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:637) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:1034) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:845) at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:379) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:99) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:347) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.(FSNamesystem.java:321) at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:267) at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:461) at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1202) at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1211) any ideas on how to fix or howtos out there I can not find?