I have tried to use kafka both building form source via gradle as well as un tgz-ing the tarball. Either way, none of the scripts work in the way described in the Quick Start section.
Following is an example : 6:15:40/kafka:91 $bin/zookeeper-server-start.sh config/zookeeper.properties Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/zookeeper/server/quorum/QuorumPeerMain Caused by: java.lang.ClassNotFoundException: org.apache.zookeeper.server.quorum.QuorumPeerMain at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247)