Houses in Zombie Villages disappear when spawned using /locate
seed: -1562706640675644911
If you go to the coordinates [-752, ~, 96] that appear after entering /locate Village, the zombie village house is not created. However, if you use /tp, the zombie village remains.
Linked Issues
is duplicated by7
MC-198002Some villages don't generate buildings when teleporting above it for the first timeDuplicateMC-209205Error "Unknown tag:" is loggedDuplicateMC-212024Zombie village sometimes doesn't generate the house structuresDuplicateMC-215508A village with zero buildings (Version 21w05b)DuplicateMC-217162the village does not existDuplicateMC-222386Abandoned Village doesn't generate abandoned village housesDuplicateMC-224521Villages hut don't generate but path generatesDuplicate
![[Helper] pine1needle](../../../data/avatars/users/41329.png){kind=small}
Created Issue:
zombie village creation bug
seed: -1562706640675644911If you go to the coordinates [-752, ~, 96] that appear after entering /locate Village, the zombie village house is not created. However, if you use /tp, the zombie village remains.
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![[Bot] Arisa](../../../data/avatars/users/43007.png){kind=small}
image-2020-10-17-12-12-14-720.png
zombievillage creation bugZombie Villages can sometimes initially spawn without any houses
Zombie Villagescan sometimes initially spawn without any housesHouses in Zombie Villages disappear when spawned using /locate
![[Mod] Michael Wobst](../../../data/avatars/users/37868.png){kind=small}
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The bug
While performing the reproduction steps for MC-123696 the game logged the following error multiple times:
Unknown tag: aew@1c69c647
(aew being net.minecraft.tags.SetTag, Mojang name)
Logger name: cwa (net.minecraft.world.level.levelgen.structure.PoolElementStructurePiece, Mojang name)
Logging thread: Server thread
I do not know how to reproduce this. The same error message is logged when reproducing MC-202186, therefore these bugs might be related.
Was there a zombie village nearby? This sounds like you both encountered MC-202186 by unknowingly following steps 3 - 6 of this comment.
@[Helper] pine1needle, I did not notice the errors right away but based on the other logged messages I assumed it had happened while reproducing MC-123696. However, the reproduction steps for MC-123696 use a the_void superflat world so there should not have been any zombie villages.
But thanks for pointing out that the same error message appeared for MC-202186. I will mark the reports as related.
Thanks, it looks like that is MC-194132; I have added the preset, seed and coordinates there (I hope that is alright for you).
That would explain this error message (which I have seen now again).
Since the reproduction steps here were not known anyways, I will resolve this report as duplicate of MC-194132 and MC-202186.
TelepathicGrunt, that issue is not caused by the datapack; it's caused by using /locate on a zombie village. This report should be resolved as a duplicate of MC-202186. Also, thank you for creating this datapack because it provides an alternative way to reproduce MC-202186 without having to find seeds that have zombie villages.
Perhaps this report should be forward-resolved as a duplicate of MC-202186 because that report contains more detailed information.
Also, [Mod] Chandler, are you completely sure that it's possible for the buildings to be missing when teleporting above the village (without using the /locate command)? I tried testing that using the seed in this report, but the buildings generated every time. In my testing, the buildings only disappear when the /locate command is used.
Resolving forward to MC-202186, as it has more traffic and valuable comments there. Thank you for your report!
This issue is already being tracked at MC-202186. 
![[Mod] Avoma](../../../data/avatars/users/86198.png){kind=small}
Does MC-202186, happen to describe your issue?
nvm, didn't see the comments. Resolved as a duplicate of MC-202186.
Duplicate of MC-202186
As stated above already, this issue has been fixed in 21w11a, which would therefore make this ticket a duplicate of MC-202186.
Duplicate of MC-202186, which was fixed in 21w11a.
Thank you for your report!
We're tracking this issue in MC-202186, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as Fixed. Please check the Fix Version/s field in that ticket to see in which version this behavior was or will be fixed.
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Unable to reproduce, in which version was the world created?
I was able to reproduce this in 1.16.3, but strangely, this bug only occurs sometimes. If your first attempt doesn't reproduce this bug, please try it multiple times. Here are some more detailed reproduction steps.
It's also possible to get the log to spam these errors without using the /locate command.
Enter the world created with that seed, and enter /locate village right away. When the [-752, ~, 96] come up, press it to teleport.
This bug does not appear when the player overlaps with a house or ground. If you're in creative mode, you can just fly up a little and type /locate Village.
And I think this bug only happens in 1.16.x.
I found another seed that can be used to reproduce this bug (in 1.16.3). For this seed, in order for the /locate command to give you the coordinates of the zombie village (instead of a different normal village), you must first go to another location. (I'll omit the steps about looking at the log in these instructions because I already included those steps in a previous comment.)
Is this bug possible in all zombie village?
I found Zombie Village with village finder (https://www.chunkbase.com/apps/village-finder)
seed : 8568360091535165803
/tp 1968 96 -2497 → /locate village → [752, ~, -3488]
/tp 1728 100 -1984 → /locate village → [1104, ~, -1456]
–
seed : 11
/tp 7856 100 7216 → /locate village → [7888 ~, 6736]
–
I think this bug happens in every zombie village.
Both of the seeds listed in previous comments still reproduce this bug in 1.16.4 and 20w51a. However, the unknown tag error is slightly different; instead of aeg, it has aei in 1.16.4 and aew in 20w51a. The change in the error does not mean that the bug itself has changed; the error changed because Mojang's obfuscation maps change from version to version. I viewed the obfuscation maps for these versions (1.16.3's map, 1.16.4's map, 20w51a's map) and confirmed that aeg, aei, and aew all correspond to net.minecraft.tags.SetTag in their respective versions.
In
MC-196686, TelepathicGrunt uploaded a datapack that causes every village to be a zombie village. That datapack can be used as an alternative way to reproduce this bug.Also, I've noticed that when the village returned by /locate is close to spawn, it tends to generate its buildings much more often than when the village returned by /locate is far from spawn.
I am able to reproduce this in 21w10a, but not in 21w11a, so this is fixed in 21w11a. This was probably fixed by the fix of
MC-197883becauseMC-197883mentions similar errors.