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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2565) hdfs command does not explicitely complain that the command I am trying to run is not valid
Date Sun, 14 Sep 2014 19:14:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer updated HDFS-2565:
-----------------------------------
    Status: Open  (was: Patch Available)

> 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, 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()



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