Arpit Agarwal created HDFS-7734: ----------------------------------- Summary: 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 Priority: Blocker
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)