[ https://issues.apache.org/jira/browse/HDFS-2565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chu Tong updated HDFS-2565: --------------------------- Status: Patch Available (was: Open) I tested this locally on my own dev cluster. No test is included as the changes are trivial. > hdfs command does not explicitely complain that the command I am trying to > run is not valid > ------------------------------------------------------------------------------------------- > > Key: HDFS-2565 > URL: https://issues.apache.org/jira/browse/HDFS-2565 > Project: Hadoop HDFS > Issue Type: Bug > Components: scripts > Affects Versions: 0.23.1, 0.23.0 > Reporter: Bruno Mahé > Assignee: Chu Tong > Labels: bigtop, noob > Attachments: HDFS-2565.patch > > > [root@bigtop-fedora-15 ~]# hdfs foobar > Exception in thread "main" java.lang.NoClassDefFoundError: foobar > Caused by: java.lang.ClassNotFoundException: foobar > at java.net.URLClassLoader$1.run(URLClassLoader.java:217) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:205) > at java.lang.ClassLoader.loadClass(ClassLoader.java:321) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) > at java.lang.ClassLoader.loadClass(ClassLoader.java:266) > Could not find the main class: foobar. Program will exit. > Instead of loading any class, it would be nice to explain the command is not > valid and to call print_usage() -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira