[ https://issues.apache.org/jira/browse/HDFS-2930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hızır Sefa İrken updated HDFS-2930: ----------------------------------- Attachment: HDFS-2930.patch This patch gets rid of NoClass exception, instead prints a message. I can prepare a similar patch for 1.0 branch if needed. > 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} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira