hdfs command does not explicitely complain that the command I am trying to run
is not valid
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Key: HDFS-2565
URL: https://issues.apache.org/jira/browse/HDFS-2565
Project: Hadoop HDFS
Issue Type: Bug
Components: scripts
Affects Versions: 0.23.0, 0.23.1
Reporter: Bruno Mahé
[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()
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