As was noted by someone else...
James J. Fuld (1916 - 2008) in his "The Book of World Famous Music" 5th ed. P. 312 says the first known printing of this song was Jan. 20, 1846 under the title: "Jim Crack Corn, or The Blue Tail Fly" by F.D. Benteen. Fuld states that Dan Emmett is sometimes claimed to be the author of "Jim Crack Corn" but in a footnote says Emmett arranged a "De Blue Tail Fly" but did not compose it, and that Emmett's version has a different melody and words. Fuld supplies no lyrics in his book except for the refrain,"Jim crack corn I don't care." I don't pretend to know which story is correct about this song.