I a were playing a survival adventure with the latest snapshot, i found this generation bug as shown in these screenshots.
MC-14723
I have found generation bug in the latest snapshot [13w17a]
Resolved
Duplicate
0
William
(Unassigned)
Unconfirmed
world
Snapshot 13w17a
Retrieved
47th Duplicate of MC-315, please use the search function to see if your bug has already been submitted. Currently over 55% of tickets are being closed as duplicate.