What happens when a futures contract for hogs is not closed out before it expires?

what happens if a trader in the futures market forgets to close out a long position. Will someone dump 40,000 pounds of squealing porkers on his lawn the morning after his contract expires?|||Most brokers do not deal with delivery, and will close out or roll over your contract for you before expiration.|||SUE-EEEEEEEEEEEEEEEEEEEEEEE!!!!!!|||better call the fencing people today!