For the course Distributed Data Processing using MapReduce, grades and feedback for Assignment 1 can be found under “3. Feedback From Instructor” when you click on “Assignments” on Blackboard.
There are 7 more assignments, so lot's of possibilities to improve. If after 8 assignments the average grade is 5 or lower, then there will be additional assignments to pass the course. If you did not get the system working yet, please note that you will have to be able to run Hadoop in (at minimum in stand-alone mode) for Assignment 4.