pherf tool is not working

java -Xms512m -Xmx3072m  -cp "/Users/asinghal/git/apache/phoenix/bin/../phoenix-pherf/config:/etc/hbase/conf:/Users/asinghal/git/apache/phoenix/bin/../phoenix-client/target/phoenix-4.8.0-HBase-1.2-SNAPSHOT-client.jar:/Users/asinghal/git/apache/phoenix/bin/../phoenix-pherf/target/phoenix-pherf-4.8.0-HBase-1.2-SNAPSHOT-minimal.jar" -Dlog4j.configuration=file:/Users/asinghal/git/apache/phoenix/bin/log4j.properties org.apache.phoenix.pherf.Pherf -drop all -l -q -z localhost -schemaFile '.*user_defined_schema.sql' -scenarioFile '.*user_defined_scenario.xml'

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/cli/ParseException
        at java.lang.Class.getDeclaredMethods0(Native Method)
        at java.lang.Class.privateGetDeclaredMethods(Class.java:2615)
        at java.lang.Class.getMethod0(Class.java:2856)
        at java.lang.Class.getMethod(Class.java:1668)
        at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494)
        at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.cli.ParseException
        at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
        ... 6 more