hadoop - Error running pig script -


i trying run pig-script on bulk wikipedia page statistics data. start off with, doing basic filter like:

a = load '/data' using pigstorage(' ') (project:chararray, page:chararray, requests:int, size:int); b= filter project == 'en'; dump b;

this working fine if loading 2-3 files erroring out if load files. error : org.apache.pig.impl.logicallayer.frontendexception: error 1066: unable open iterator alias b

to confirm there no corrupted records, made several copies of file working , ran above script, no luck. please advise!


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