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" <david.medin...@gmail.com> 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? >
