Return-Path: Delivered-To: apmail-hadoop-core-user-archive@www.apache.org Received: (qmail 223 invoked from network); 5 Apr 2009 05:29:47 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 5 Apr 2009 05:29:47 -0000 Received: (qmail 88096 invoked by uid 500); 5 Apr 2009 05:29:44 -0000 Delivered-To: apmail-hadoop-core-user-archive@hadoop.apache.org Received: (qmail 87989 invoked by uid 500); 5 Apr 2009 05:29:44 -0000 Mailing-List: contact core-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-user@hadoop.apache.org Delivered-To: mailing list core-user@hadoop.apache.org Received: (qmail 87979 invoked by uid 99); 5 Apr 2009 05:29:44 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 05 Apr 2009 05:29:44 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of fossist@gmail.com designates 209.85.200.173 as permitted sender) Received: from [209.85.200.173] (HELO wf-out-1314.google.com) (209.85.200.173) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 05 Apr 2009 05:29:37 +0000 Received: by wf-out-1314.google.com with SMTP id 23so1664267wfg.2 for ; Sat, 04 Apr 2009 22:29:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=fXOwYXtWno6JNchIEz0THmqmFiVI1wQ/Sb/69hIsBT8=; b=QkZUqXsiWgl96li7ZCtfjhPPKGZSrAeXEPBfcrHufEBp/f9DYTcWSWnvekKXzXccLK 58o8x12vAD5EB4gZV0EoBaRslI6D31m+lj0MqZkwClxC7pVFxdLTzHNDKAIX/P6djVOW kaKgoNymqx58je/qSQ4IMWrS9nY2Dyl2CFozU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=vRAmWTClEhj9mFrNe3kOZ/7PFD7wC1P9HzgmRL+nGSE/rpligsvo/mwlxuETn0qEo8 9Krs+ZensGbFNdbIqYsIKG/xT7j1RrUEBmvI4wUKBdQHXdW2xd/aLifemKI0XsfAuhQn S1XzN9r9UyhWHVXUI0N8K2LIeMDlv+WHf3WlU= MIME-Version: 1.0 Received: by 10.142.166.7 with SMTP id o7mr855017wfe.198.1238909356255; Sat, 04 Apr 2009 22:29:16 -0700 (PDT) In-Reply-To: <3f8297b20904040616l1e63a8b6o558578325fd667b7@mail.gmail.com> References: <3f8297b20904040616l1e63a8b6o558578325fd667b7@mail.gmail.com> Date: Sun, 5 Apr 2009 10:59:16 +0530 Message-ID: <3f8297b20904042229v3765ba5dma195255361c2b0af@mail.gmail.com> Subject: Re: NullPointerException while starting start-dfs.sh From: Foss User To: core-user@hadoop.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org On Sat, Apr 4, 2009 at 6:46 PM, Foss User wrote: > Whenever I try to start the DFS, I get this error: > > hadoop@namenode:~/hadoop-0.19.1$ bin/start-dfs.sh > starting namenode, logging to > /home/hadoop/hadoop-0.19.1/bin/../logs/hadoop-hadoop-namenode-hadoop-name= node.out > 10.31.253.142: starting datanode, logging to > /home/hadoop/hadoop-0.19.1/bin/../logs/hadoop-hadoop-datanode-hadoop-slav= e-a.out > 10.31.253.146: starting datanode, logging to > /home/hadoop/hadoop-0.19.1/bin/../logs/hadoop-hadoop-datanode-hadoop-slav= e-b.out > 10.31.253.135: starting secondarynamenode, logging to > /home/hadoop/hadoop-0.19.1/bin/../logs/hadoop-hadoop-secondarynamenode-ha= doop-jobtracker.out > 10.31.253.130: starting secondarynamenode, logging to > /home/hadoop/hadoop-0.19.1/bin/../logs/hadoop-hadoop-secondarynamenode-ha= doop-namenode.out > 10.31.253.135: Exception in thread "main" java.lang.NullPointerException > 10.31.253.135: =A0at > org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:132) > 10.31.253.135: =A0at > org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:= 130) > 10.31.253.135: =A0at > org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:= 134) > 10.31.253.135: =A0at > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(Secon= daryNameNode.java:131) > 10.31.253.135: =A0at > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.(Secondary= NameNode.java:115) > 10.31.253.135: =A0at > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNa= meNode.java:469) > > What could be the problem? > > 10.31.253.130 is the namenode > 10.31.253.135 is the job tracker > I am replying my own question here as I figured out the solution. The hadoop-site.xml in the job tracker was not configured. After configuring it, this got resolved.