Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Plain View
Accumulo, mail # dev - hadoop classpath causing an exception (sub-command not defined?)


+
David Medinets 2012-12-14, 03:43
Copy link to this message
-
Re: hadoop classpath causing an exception (sub-command not defined?)
John Vines 2012-12-14, 05:18
I didn't think hadoop had a classpath argument, just Accumulo.

Sent from my phone, please pardon the typos and brevity.
On Dec 13, 2012 10:43 PM, "David Medinets" <[EMAIL PROTECTED]> wrote:

> I am at a loss to explain what I am seeing. I have installed Accumulo
> many times without a hitch. But today, I am running into a problem
> getting the hadoop classpath.
>
> $ /usr/local/hadoop/bin/hadoop
> Usage: hadoop [--config confdir] COMMAND
> where COMMAND is one of:
>   namenode -format     format the DFS filesystem
>   secondarynamenode    run the DFS secondary namenode
>   namenode             run the DFS namenode
>   datanode             run a DFS datanode
>   dfsadmin             run a DFS admin client
>   mradmin              run a Map-Reduce admin client
>   fsck                 run a DFS filesystem checking utility
>   fs                   run a generic filesystem user client
>   balancer             run a cluster balancing utility
>   jobtracker           run the MapReduce job Tracker node
>   pipes                run a Pipes job
>   tasktracker          run a MapReduce task Tracker node
>   job                  manipulate MapReduce jobs
>   queue                get information regarding JobQueues
>   version              print the version
>   jar <jar>            run a jar file
>   distcp <srcurl> <desturl> copy file or directories recursively
>   archive -archiveName NAME <src>* <dest> create a hadoop archive
>   daemonlog            get/set the log level for each daemon
>  or
>   CLASSNAME            run the class named CLASSNAME
> Most commands print help when invoked w/o parameters.
>
> I am using using the following version of hadoop:
>
> $ hadoop version
> Hadoop 0.20.2
> Subversion
> https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20
> -r 911707
> Compiled by chrisdo on Fri Feb 19 08:07:34 UTC 2010
>
> Inside the accumulo script is the line:
>
> HADOOP_CLASSPATH=`$HADOOP_HOME/bin/hadoop classpath`
>
> This line results in the following exception:
>
> $ $HADOOP_HOME/bin/hadoop classpath
> Exception in thread "main" java.lang.NoClassDefFoundError: classpath
> Caused by: java.lang.ClassNotFoundException: classpath
>     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: classpath. Program will exit.
>
> Am I missing something basic? What?
>
+
David Medinets 2012-12-14, 12:33
+
Jason Trost 2012-12-14, 12:45
+
David Medinets 2012-12-14, 14:21
+
Josh Elser 2012-12-14, 14:38