Azalea trees can generate on top of huge mushrooms, trees & bamboo
Linked Issues
is blocked by1
is duplicated by37
Created Issue:
Azalea trees can generate on top of huge mushrooms
I found an azalea tree on a huge mushroom in a Dark Forest biome.
Seed: -667656356887419648
Coordinates: -1137 71 46004
I found an azalea tree on a huge mushroom in a Dark Forest biome.
Seed: -667656356887419648
Coordinates: -1137 71 46004
Azalea trees can generate on top of huge mushrooms & trees
is duplicated by
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Azalea trees can generate on top of huge mushrooms & trees and converts leaves / mushroom blocks to rooted dirt
is duplicated by
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Azalea trees can generate on top of huge mushrooms&trees and converts leaves / mushroom blocks to rooted dirtAzalea trees can generate on top of huge mushrooms, trees & bamboos and converts leaves / mushroom blocks to rooted dirt
Azalea trees can generate on top of huge mushrooms, trees & bamboosand converts leaves / mushroom blocks to rooted dirt
Azalea trees can generate on top of huge mushrooms, trees & bamboos
is duplicated by
is duplicated by
is duplicated by
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relates to
The Bug
Trees spawn on top of each other upon world generation, causing lots of tree skyscrapers. Relates to MC-237500.
To Reproduce
- use the datapack listed on this report, it will give an invalid verification
- press go back
- press done, it skips the verification
- leave the seed blank and create world
- press safe mode, and proceed
- look around
The Error
Trees generate on top of each other
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Duplicate of MC-237500.
Duplicates MC-237500
Duplicate of MC-237500.
Duplicate of MC-237500.
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Duplicates MC-237500
May relate to MC-237500
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Duplicate of MC-237500.
Duplicate of MC-237500.
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Duplicate of MC-237500.
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The Issue
When using a custom worldgen datapack that affects trees in 21w38a or later, trees will spawn generating ontop of each other, creating large tree walls. This is similar and possibly related to MC-237500, the issue with the Azalea trees occasionally spawning ontop of other trees. This issue does not occur in 21w37a or earlier. Because I reported the bug late, I was unable to list the affected versions to include 21w38a or 21w39a, but it also occurs in those.
Expected Behavior
Trees generate like normal, not stacked up ontop of each other.
Observed Behavior
Trees are generating in pillars, stacked up ontop of each other. They generate with dirt blocks underneath them as well, ontop of which the next tree spawns.
Replication
To encounter this problem, I was using the EMD's Better Trees (https://www.planetminecraft.com/data-pack/better-trees-4969464/) datapack. Simply place the datapack into the datapack's folder when creating a new world, and observe any biome that has trees in it.
Duplicate of MC-237500.
Duplicate of MC-237500.
Duplicate of MC-237500.
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Might as well include bamboo in MC-237500.
Duplicate of MC-237500.
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Duplicate of MC-237500.
Duplicate of MC-237500.
Duplicates MC-237500
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Duplicate of MC-237500. Bamboo is covered by one of its duplicates.
Duplicate of MC-237500.
Duplicate of MC-237500.
Duplicate of MC-237500 ![]()
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Duplicate of MC-237500.
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Duplicate of MC-237500.
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Whoops! Already found duplicate issue MC-237500, please close this
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Duplicate of MC-237500
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Duplicate of MC-237500
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Duplicate of MC-237500.
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I can confirm that the azalea tree generates on top of the giant mushroom using the provided seed and coordinates in 21w38a.
Additionally, a user on Twitter says that an azalea tree generated on top of another tree for them, but I was not able to confirm the Twitter user's claim. When I use the seed and coordinates from the Twitter user's screenshot, no azalea tree generates at that location.
This is hard to reproduce due to MC-219200, but i can confirm the azalea trees generating on top of trees.
I can confirm that azalea trees generate in spots that are most likely not intended. Use the seed: -7278925848930483343 and go to the coordinates: -35 120 97.
Can confirm for 21w40a.
Can also confirm in 21w40a.
Can confirm in 21w40a, Also wanted to note this happens on top of Jungle Trees too. This is due to the biomes being dense with trees id assume
Jungle Tree: https://imgur.com/a/GcWURie
Hace una semana compré un realm y este tiene un error un poco peculiar , ya que a los miembros de mi realm al jugar llega un punto en el que el juego ya no tiene acciones y procede a expulsarnos . Y tarda en entrar y al poder acceder este no guardo el progreso hecho en cierto tiempo
I think this is related to
MC-238844Also occurs in 21w41a
found in 21w41a
40 99 366
-6384163316876495942
Can also end up on top of bamboo (
MC-239140).This also occurs on bamboos.
Can confirm for 21w42a as well.
Agreed, it happens in 21w42a too
Can also spawn on top of packed ice.
Markku, that issue is currently being tracked at
MC-239237.Therefore, it relates to
MC-239237.This is due to the azalea tree not checking if the block below it is a valid base block, unlike other trees, which check if they can be placed by checking if the sapling could be placed there.
Another case of this happening.
Bug still present in 21w44a
Confirmed. My assumption is the game prioritizes Bamboo over Azalea and the bamboo is seen as a 'solid' surface for generation.

Confirmed for 1.18 pre-release 1
Mr_Quasi please provide the seed and coordinates of the 1.18 pre-release 1 location. As in this version Azalea trees can't generate at the moment due to
MC-241278make sure you are actually testing reports before you say confirmed in X versionThen this issue is blocked by
MC-241278.