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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2930) bin/hdfs should print a message when an invalid command is specified
Date Fri, 06 Apr 2012 14:25:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13248390#comment-13248390
] 

Hadoop QA commented on HDFS-2930:
---------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12521036/HDFS-2930.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 1 new or modified test files.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/2211//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2211//console

This message is automatically generated.
                
> bin/hdfs should print a message when an invalid command is specified
> --------------------------------------------------------------------
>
>                 Key: HDFS-2930
>                 URL: https://issues.apache.org/jira/browse/HDFS-2930
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: tools
>    Affects Versions: 0.23.1
>            Reporter: Eli Collins
>              Labels: newbie
>         Attachments: HDFS-2930.patch
>
>
> hdfs will currently give a NoClassDefFoundError stacktrace if there's a typo specifying
the command.
> {noformat}
> hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs dfadmin
> Exception in thread "main" java.lang.NoClassDefFoundError: dfadmin
> Caused by: java.lang.ClassNotFoundException: dfadmin
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
> 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
> {noformat}

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