Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 6E0D0175E7 for ; Wed, 4 Feb 2015 19:33:34 +0000 (UTC) Received: (qmail 20386 invoked by uid 500); 4 Feb 2015 19:33:35 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 20328 invoked by uid 500); 4 Feb 2015 19:33:35 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 20311 invoked by uid 99); 4 Feb 2015 19:33:35 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 04 Feb 2015 19:33:35 +0000 Date: Wed, 4 Feb 2015 19:33:35 +0000 (UTC) From: "Andrew Wang (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HDFS-7734) Class cast exception in NameNode#main MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HDFS-7734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Andrew Wang updated HDFS-7734: ------------------------------ Resolution: Fixed Fix Version/s: 2.7.0 Status: Resolved (was: Patch Available) Committed to trunk and branch-2, thanks for the patch Yi, and Arpit/Kihwal too for discussion. > Class cast exception in NameNode#main > ------------------------------------- > > Key: HDFS-7734 > URL: https://issues.apache.org/jira/browse/HDFS-7734 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Affects Versions: 2.7.0 > Reporter: Arpit Agarwal > Assignee: Yi Liu > Priority: Blocker > Fix For: 2.7.0 > > Attachments: HDFS-7734.001.patch, HDFS-7734.002.patch > > > NameNode hits the following exception immediately on startup. > {code} > 15/02/03 15:50:25 ERROR namenode.NameNode: Failed to start namenode. > java.lang.ClassCastException: org.apache.log4j.Logger cannot be cast to org.apache.commons.logging.Log > at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1557) > 15/02/03 15:50:25 INFO util.ExitUtil: Exiting with status 1 > {code} > Location of the exception in NameNode.java: > {code} > public static void main(String argv[]) throws Exception { > if (DFSUtil.parseHelpArgument(argv, NameNode.USAGE, System.out, true)) { > System.exit(0); > } > try { > StringUtils.startupShutdownMessage(NameNode.class, argv, > (org.apache.commons.logging.Log) LogManager.getLogger(LOG.getName())); <<<<< Failed here. > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)