I went to a blaze spawner in my single player world, waited a few minutes and realized that no blazes have spawned, I decided to start a new world using the same seed to see if there was something wrong with the world I was playing in and the spawner still didn't spawn anything in the new generated world. I took the same seed into 1.9 pre-release 1 and the mobs spawned so it is a new bug that happened in pre-release 2.
I also checked on a skeleton spawner in both versions, in pre-release 2 it's broken and works fine in pre-release 1.
I assume zombie spawners and spider spawners are broken as well.
Related issues
duplicates
Comments


Same here. Skeleton, cave spider and zombie spawner doesn't work in prerelease 2.

confirming presence of bug in 1.9-pre2 – typical zombie farm design from spawner is nonfunctional and spawns no mobs. worked in 1.9-pre1

yes all spawners not working on our pre2 server you get the sparkle like they are spawning but nothing happens, added another mob egg and same thing checked spawners all over the server, none working survival vanilla server

Same here on our South African server and my single player worlds.

confirmed. Same problem in all pre-2 worlds.

Every issue on this and there are many say that it is resolved or a duplicate it is not then there's not a pre-released 3 I don't understand are spawners are not working and I can't seem to find an original issue just duplicates disposed of as duplicates


Thanks for the info that's great news
I assume all spawners are broken - I have 2 blaze spawners, a zombie spawner and a skeleton spawner and none spawn mobs