The holes does not disappear. Buildings disappear and the landscape restores to the first generation before modifications were done.
The problem appear in world named jurbjv8furdfiv (survival mode & peaceful).
Environment
operating system = Windows 7, Java ver = 7 update 7 (build 1.7.0_07-b11)
Linked issues
duplicates 3
Comments 2
Related/Dupe of MC-4061.
Duplicate of MC-2548. Please use the search function to check before posting in the future.