[MC-51706] Custom Mob Spawners Do Not Spawn Passive Mobs

I was creating custom mob spawners and notice that the hostile mob spawners work as they should while the ones that spawn passive mobs (Ex. Sheep, Cows, Villagers, Wolfs, etc) will not spawn mobs. This worked in 1.7, is this a bug or was this patched up intentionally?

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Comments 7

Jeremy Tunesi 2014-03-19T23:07:59Z

On a side note, I was using the Set block Command

kumasasa 2014-03-19T23:19:54Z

Please provide the exact command you've used.

Jeremy Tunesi 2014-03-19T23:28:15Z

/setblock ~ ~ ~ mob_spawner 0 replace {EntityId:Cow}

Jeremy Tunesi 2014-03-19T23:29:17Z

I also did it with a command block so that it would replace the block once I finished adding these properties

/setblock ~ ~ ~ mob_spawner 0 replace {EntityId:Cow,SpawnRange:4,RequiredPlayerRange:16,SpawnCount:2,MaxNearbyEntities:6,MinSpawnDelay:100,MaxSpawnDelay:100}

kumasasa 2014-03-22T08:15:13Z

Cannot confirm.
A spawner created with

/setblock ~ ~1 ~ minecraft:mob_spawner 0 replace {EntityId:Cow,SpawnPotentials:[{Type:Cow,Weight:1}]}

spawns cows, see screenshot.

Jeremy Tunesi 2014-03-24T22:50:15Z

Thanks, I wasn't sure at first.

Jeremy Tunesi 2014-03-24T23:42:56Z

It's because I'm in a mushroom biome... LOL. I discovered it on my own but my game crashed when I placed the block down. Derp. Sorry, this isn't a bug. I thought it was