Turns out, the instructions in the PDF are outdated and no longer work. I tried to follow the install via tarball step-by-step, but got the following error: [accumulo@localhost accumulo]$ ./bin/accumulo  init Uncaught exception: org/apache/zookeeper/KeeperException java.lang.NoClassDefFoundError: org/apache/zookeeper/KeeperException     at java.lang.Class.forName0(Native Method)     at java.lang.Class.forName(Class.java:247)     at org.apache.accumulo.start.classloader.AccumuloClassLoader.loadClass(AccumuloClassLoader.java:375)     at org.apache.accumulo.start.classloader.AccumuloClassLoader.loadClass(AccumuloClassLoader.java:382)     at org.apache.accumulo.start.Main.main(Main.java:48) Caused by: java.lang.ClassNotFoundException: org.apache.zookeeper.KeeperException     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:306)     at java.lang.ClassLoader.loadClass(ClassLoader.java:247)     ... 5 more   ZOOKEEPER_HOME=/usr/lib/zookeeper/   does anyone have an updated documentation that has accumulo working on cdh4.4 VM? thx,   ... View more