Return-Path: X-Original-To: apmail-hadoop-common-user-archive@www.apache.org Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 23F2D10C3F for ; Sun, 11 Aug 2013 03:21:05 +0000 (UTC) Received: (qmail 27861 invoked by uid 500); 11 Aug 2013 03:21:01 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 27358 invoked by uid 500); 11 Aug 2013 03:20:54 -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 27346 invoked by uid 99); 11 Aug 2013 03:20:53 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 11 Aug 2013 03:20:53 +0000 X-ASF-Spam-Status: No, hits=1.7 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jane.wayne2978@gmail.com designates 209.85.219.41 as permitted sender) Received: from [209.85.219.41] (HELO mail-oa0-f41.google.com) (209.85.219.41) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 11 Aug 2013 03:20:46 +0000 Received: by mail-oa0-f41.google.com with SMTP id j6so8506252oag.14 for ; Sat, 10 Aug 2013 20:20:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=zeLSUI/NOsimC9o+RthNLeqcgcKIUWRJKqMVynO6SnY=; b=gAyiZf/XMlBN8q7Puz2iq0wNfLNpLtd5tCaaQrfHKyPYf5beJqBa5Cha1R2VaAhpGb n+TNPOOJCrZoW8ipWHNMZofb2adRBtuPL+7pLW0yNi+bwoW3hOL2E09/Ri5LRl98fq9z 8CQ3LPIyJPApPr5e7Wz1q0KuU/pgYFY+X9eV4lCkMox6rMrd9Th1HRFLljwsJNDkBoG3 Wiva2BdiRJZCLHcH56NdbF/X1QMjFgnc3Bsy5WUmWagGG7EPlbeLmLcLe7ME4l0IzWSh oCps3WWzfzppcC5Znsz8EvvtZVwl+kyPziWTmeDGkja0XLRNGkIPxuN06cX5wcaiS+UE Ynhw== MIME-Version: 1.0 X-Received: by 10.182.61.19 with SMTP id l19mr29277obr.55.1376191225837; Sat, 10 Aug 2013 20:20:25 -0700 (PDT) Received: by 10.76.166.234 with HTTP; Sat, 10 Aug 2013 20:20:25 -0700 (PDT) Date: Sat, 10 Aug 2013 23:20:25 -0400 Message-ID: Subject: hadoop v0.23.9, namenode -format command results in Could not find or load main class org.apache.hadoop.hdfs.server.namenode.NameNode From: Jane Wayne To: common-user@hadoop.apache.org Content-Type: multipart/alternative; boundary=e89a8fb1ef7228bc5d04e3a37dec X-Virus-Checked: Checked by ClamAV on apache.org --e89a8fb1ef7228bc5d04e3a37dec Content-Type: text/plain; charset=ISO-8859-1 hi, i have downloaded and untarred hadoop v0.23.9. i am trying to set up a single node instance to learn this version of hadop. also, i am following as best as i can, the instructions at http://hadoop.apache.org/docs/r0.23.9/hadoop-project-dist/hadoop-common/SingleCluster.html . when i attempt to run ${HADOOP_HOME}/bin/hdfs namenode -format, i get the following error. Error: Could not find or load main class org.apache.hadoop.hdfs.server.namenode.NameNode the instructions in the link above are complete. they jump right in and say, "assuming you have installed hadoop-common/hadoop-hdfs..." what does this assumption even mean? how do we install hadoop-common and hadoop-hdfs? right now, i am running on CentOS 6.4 x64 minimal. my steps are the following. 0. installed jdk 1.7 (Oracle) 1. tar xfz hadoop-0.23.9.tar.gz 2. mv hadoop-0.23.9 /opt 3. ln -s /opt/hadoop-0.23.9 /opt/hadoop 4. export HADOOP_HOME=/opt/hadoop 5. export JAVA_HOME=/opt/java 6. export PATH=${JAVA_HOME}/bin:${HADOOP_HOME}/bin:${PATH} any help is appreciated. --e89a8fb1ef7228bc5d04e3a37dec--