When I try to 4 a step getting error.
hadoop@ubuntu:~$ hadoop jar hadoop-2.3.0/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.3.0.jar pi 2 100
Not a valid JAR: /edx/app/hadoop/hadoop-2.3.0/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.3.0.jar
I have google but not find any solution.