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https://issues.apache.org/jira/browse/HDFS-2565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13582541#comment-13582541
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Chu Tong commented on HDFS-2565:
--------------------------------
since the changes are trivial, there is no test included and I tested this on
my local development setup.
> 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: 0.23.0, 0.23.1
> 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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