I found a bug in minecraft, because when I try to move a fence by a sticky piston or piston in snapshot 14w10a, my minecraft crash
MC-50331
bug with a pistons and fences
Resolved
Duplicate
0
Incomplete without a crash report (
[minecraft|http://hopper.minecraft.net/help/finding-minecraft-data-folder]/crash-reports/crash-<DATE>-client.txt). Please attach it so that we can diagnose your issue.