error running chapter 07

[ensemblearner]

Hi.. I am getting this error when I am trying to parse json... with follwoing flags hadoop jar hbasech07.jar ParseJson -i testtable -o testtable throws this error:

java.lang.RuntimeException: java.lang.reflect.InvocationTargetException at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:115) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:719) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370) at org.apache.hadoop.mapred.Child$4.run(Child.java:255) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:416) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1093) at org.apache.hadoop.mapred.Child.main(Child.java:249) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:532) at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:113) ... 7 more Caused by: java.lang.NoClassDefFoundError: org/json/simple/parser/JSONParser at mapreduce.ParseJson$ParseMapper.(ParseJson.java:49) ... 12 more Caused by: java.lang.ClassNotFoundException: org.json.simple.parser.JSONParser 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) ... 13 more