World (created in 1.8) which loads fine in 16w38a, causes a crash in 16w39a with the following crash report
When run on the server with the same world file, a java.lang.NullPointerException: Ticking block entity is reported that comes from a hopper
MC-107687
Hopper crashes a game on load with Ticking block entity exception
Resolved
Duplicate
0
Caused by a hopper filling a furnace with items. See MC-107392.