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