Packet132TileEntityData isn't working as it should...

Hey guys,

I'm having issues with updating a mob spawner.
(Mob inside the spawner - only updated on login!?!)
Normally a call from BlockState should work.
But if I use the update (or even update(true) method, nothing changes. So I went deeper and wanted to send a packet directly.

It's called Packet132.
I looked into the classes
(see
http://www.wiki.vg/Protocol#Update_Tile_Entity_.280x84.29
https://github.com/Bukkit/mc-dev/blob/master/net/minecraft/server/Packet132TileEntityData.java
https://github.com/Bukkit/CraftBukk...necraft/server/TileEntityMobSpawner.java#L165
)

I tried to achieve a paket update with reflection, my code runs just fine.
I tried to call the update method on the spawner, not working

I even tried to get the spawner with another way, calling update method on it - not working.

My 3 code variants

PHP:

// Block is a valid mob spawner, player is valid, too
Field tileField = CraftCreatureSpawner.class.getDeclaredField("spawner");
Packet132TileEntityData packet;
BlockState blockState = block.getState();
CraftCreatureSpawner spawner = ((CraftCreatureSpawner) blockState);
net.minecraft.server.TileEntityMobSpawner tile = (net.minecraft.server.TileEntityMobSpawner) tileField.get(spawner);
NBTTagCompound nbttagcompound = new NBTTagCompound();
tile.b(nbttagcompound);
packet = new Packet132TileEntityData(block.getX(), block.getY(), block.getZ(), 1, nbttagcompound);
player.sendMessage("Packet is coming!");
CraftPlayer cp = (CraftPlayer) player;
cp.getHandle().netServerHandler.sendPacket(packet);
player.sendMessage("Packet received!");
 
// Same with
tile.getUpdatePacket();
 
// Not working, too
CraftWorld world = (CraftWorld) block.getWorld();
TileEntityMobSpawner spawner3 = (TileEntityMobSpawner) world.getTileEntityAt(block.getX(), block.getY(), block.getZ());
spawner3.getUpdatePacket();


Any other ideas or a MINECRAFT and not bukkit bug?
Only re-login works...

Thanks in advance