56f1136b_Hadoop_Troubleshooting__Possible_Problem
[Symptom] When you try the grep example in the QuickStart, you get an error like the following: org.apache.hadoop.mapred.InvalidInputException: Input path doesnt exist : /user/ross/input [Possible Solution] bin/hadoop dfs -put conf input [Possible Problem] 
You haven't created an input directory containing one or more text files.
Hadoop Troubleshooting
Possible Problem