This NPE shows that .tableinfo file does not exist. As suggested by Predrag below, run the repair tool multople times might solve the problem. (of course, sometime it might not solve the problem. We have to manually fix the issue) Another thing is that please check whether any file/directory exist for this 'prod:testj' table (via hdfs commands). I suspected that the entire table directory disappear (as I mentioned earlier, someone might make a mistake by removing this directory). In this case, another solution is to drop this table and recreate the table and re-populate data. ... View more