Improve the usability of namenode -format ------------------------------------------
Key: HDFS-1905 URL: https://issues.apache.org/jira/browse/HDFS-1905 Project: Hadoop HDFS Issue Type: Bug Components: name-node Affects Versions: 0.23.0 Reporter: Bharath Mundlapudi Assignee: Bharath Mundlapudi Priority: Minor Fix For: 0.23.0 While setting up 0.23 version based cluster, i ran into this issue. When i issue a format namenode command, which got changed in 23, it should let the user know to ./hdfs namenode -format I get the following error msg, still its not clear what and how user should use this command. 11/05/09 15:36:25 ERROR namenode.NameNode: java.lang.IllegalArgumentException: Format must be provided with clusterid at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:1483) at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1623) at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1689) The usability of this command can be improved. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira