Detects the condition where there is a error with one of the input files in
Conditions to check:
1. EOFException in log
2. A line indicating the split file in the log. This is needed to
generate the proper error message.
Examine the hive query, job configuration, and the lines from the task log
seen so far though processLogLine() and generate a possible cause/solution.
Once this method is called, the implementing class should be reset to the
state before any processLogLine() calls were made.