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From Bruno Mahé (Created) (JIRA) <j...@apache.org>
Subject [jira] [Created] (HDFS-2565) hdfs command does not explicitely complain that the command I am trying to run is not valid
Date Fri, 18 Nov 2011 19:28:51 GMT
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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