Return-Path: Delivered-To: apmail-lucene-hadoop-dev-archive@locus.apache.org Received: (qmail 86996 invoked from network); 26 Oct 2007 11:59:15 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 26 Oct 2007 11:59:15 -0000 Received: (qmail 44560 invoked by uid 500); 26 Oct 2007 11:59:01 -0000 Delivered-To: apmail-lucene-hadoop-dev-archive@lucene.apache.org Received: (qmail 44531 invoked by uid 500); 26 Oct 2007 11:59:01 -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 44522 invoked by uid 99); 26 Oct 2007 11:59:01 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 26 Oct 2007 04:59:01 -0700 X-ASF-Spam-Status: No, hits=-100.0 required=10.0 tests=ALL_TRUSTED 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; Fri, 26 Oct 2007 11:59:14 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 5990E71424E for ; Fri, 26 Oct 2007 04:58:51 -0700 (PDT) Message-ID: <16208886.1193399931363.JavaMail.jira@brutus> Date: Fri, 26 Oct 2007 04:58:51 -0700 (PDT) From: "Arun C Murthy (JIRA)" To: hadoop-dev@lucene.apache.org Subject: [jira] Created: (HADOOP-2107) Hadoop examples cannot execute on a single-node cluster post HADOOP-1622 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org Hadoop examples cannot execute on a single-node cluster post HADOOP-1622 ------------------------------------------------------------------------ Key: HADOOP-2107 URL: https://issues.apache.org/jira/browse/HADOOP-2107 Project: Hadoop Issue Type: Bug Components: mapred Affects Versions: 0.16.0 Reporter: Arun C Murthy Priority: Blocker Fix For: 0.16.0 All hadoop examples on single-node cluster, post HADOOP-1622, fail with: {noformat} Running 10 maps. Job started: Fri Oct 26 17:23:51 IST 2007 07/10/26 17:23:51 WARN mapred.JobClient: No job jar file set. User classes may not be found. See JobConf(Class) or JobConf#setJar(String). 07/10/26 17:23:52 INFO mapred.JobClient: Running job: job_200710261722_0001 07/10/26 17:23:53 INFO mapred.JobClient: map 0% reduce 0% 07/10/26 17:24:07 INFO mapred.JobClient: Task Id : task_200710261722_0001_m_000000_0, Status : FAILED java.lang.RuntimeException: java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.hadoop.examples.RandomWriter$RandomInputFormat at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:576) at org.apache.hadoop.mapred.JobConf.getInputFormat(JobConf.java:512) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:156) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1936) Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.hadoop.examples.RandomWriter$RandomInputFormat at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:544) at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:568) ... 3 more Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.examples.RandomWriter$RandomInputFormat at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:524) at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:542) ... 4 more {noformat} The examples work once I reverted the HADOOP-1622 patch. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.