> It will be ok if the file has more than two characters,that is a little > interesting. I can not understand the result of function checkInputFormat is > OrcInputFormat,maybe that is just right.
My guess is that it is trying to read the 3 letter string "ORC" from that file and failing. https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java#L471 Cheers, Gopal
