Argument is not taking as a string

Hi Krishna, As you suggested , I took the file input format as a string but while passing it just a word.It’s throwing error.I have mentioned program and error below.   Argument isĀ :- notroot@ubuntu:~$ hadoop jar lab/programs/HadoopTraining.jar mrd.training.sample.FilterTrnsDetails input/txns1 “credit” output/sum7 Error :-14/08/28 15:12:28 ERROR security.UserGroupInformation: PriviledgedActionException as:notroot cause:org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not exist: hdfs://localhost:8020/user/notroot/credit[…]