[MC-902] The end obsidian platform resets every time entities go through the end portal, which can cause blocks to be deleted Created: 27/Oct/12  Updated: 28/Jun/24  Resolved: 28/May/24

Status: Resolved
Project: Minecraft: Java Edition
Component/s: None
Affects Version/s: Minecraft 1.4.2, 1.14.4, 1.16.1, 1.16.3, 1.16.4 Pre-release 1, 1.16.4 Pre-release 2, 1.16.4 Release Candidate 1, 1.16.4, 20w45a, 20w46a, 20w48a, 20w49a, 20w51a, 21w03a, 1.16.5, 21w05a, 21w05b, 21w06a, 21w07a, 21w08b, 21w10a, 21w11a, 21w13a, 21w14a, 21w17a, 21w20a, 1.17, 1.17.1 Pre-release 1, 1.17.1, 21w39a, 21w42a, 1.18, 1.18.1, 22w05a, 1.18.2 Pre-release 1, 1.18.2 Release Candidate 1, 1.18.2, 22w14a, 1.19 Pre-release 4, 1.19 Pre-release 5, 1.19 Release Candidate 1, 1.19 Release Candidate 2, 1.19, 22w24a, 1.19.1, 1.19.2, 1.19.3, 23w03a, 23w04a, 23w05a, 1.19.4, 1.20 Release Candidate 1, 1.20, 1.20.1, 24w11a, 1.20.6
Fix Version/s: 1.21 Pre-Release 1

Type: Bug
Reporter: [Mod] Avoma Assignee: [Mojang] SHugoh
Resolution: Fixed Votes: 34
Labels: None

Attachments: PNG File 2021-05-12_14.53.27.png     File MC-902.mp4    
Issue Links:
Duplicate
is duplicated by MC-29268 Blocks placed on end spawn platform d... Resolved
is duplicated by MC-32477 Chests vanish Resolved
is duplicated by MC-155127 Chests on the End Spawn Plattform dis... Resolved
is duplicated by MC-160847 End obsidian spawn platform resets ev... Resolved
is duplicated by MC-174548 shulker boxes disappear on end spawn ... Resolved
is duplicated by MC-178330 Shulker Box dissapearing in end Resolved
is duplicated by MC-179176 When I put a box of shulker or water ... Resolved
is duplicated by MC-181297 Shulkerboxes/ Enderchests despawn in End Resolved
is duplicated by MC-181571 Blocks disappear from The End spawn p... Resolved
is duplicated by MC-197670 Shulker Box and Crafting table despaw... Resolved
is duplicated by MC-200425 Died in the end, end base vanished Resolved
is duplicated by MC-243018 Endspawn deletes chests when entering... Resolved
is duplicated by MC-244701 Placed Shulker Boxes Disappeared When... Resolved
is duplicated by MC-244782 some items placed on the end obsidian... Resolved
is duplicated by MC-247851 Dragon Egg Dissapears After Player Te... Resolved
is duplicated by MC-254730 My shulker box disapeared Resolved
is duplicated by MC-263144 Chests disappear in the "End" Resolved
is duplicated by MC-1314 Obsidian Generator In The End Resolved
is duplicated by MC-4102 Chests dissapear if they are placed o... Resolved
Relates
relates to MC-273945 Unlike end portals, nether portals do... Open
relates to MC-108605 Attached blocks on End platform somet... Open
relates to MC-136525 Structure block destroy blocks instea... Open
relates to MC-272790 Shulker boxes and other blocks in the... Reopened
relates to MCPE-182118 The end obsidian platform resets ever... Reopened
relates to MC-160140 Shulker boxes on the obsidian platfor... Resolved
relates to MC-256395 Blocks broken by the obsidian platfor... Resolved
relates to MC-256396 Blocks broken by the obsidian platfor... Resolved
relates to MC-272553 Naturally generated End Stone drops i... Resolved
CHK:
Confirmation Status: Confirmed
Category:
Block states
Mojang Priority: Normal
Area: Platform

 Description   

The Bug:

The end obsidian platform resets every time entities go through the end portal, which can cause blocks to be deleted.

This notably results in containers like chests or shulker boxes which might contain valuable items within them being deleted.

Steps to Reproduce:

  1. Enter the end by using an end portal.
  2. Place some blocks on top of and around the obsidian platform that you spawn on.
  3. Take note of the blocks that you've just placed.
  4. Run the "/kill" command.
  5. Enter the end once again and attempt to locate the blocks you just previously placed.
  6. Take note as to whether or not the end obsidian platform resets every time entities go through the end portal, which can cause blocks to be deleted.

Observed Behavior:

The end obsidian platform resets every time entities go through the end portal, which can cause blocks to be deleted.

Expected Behavior:

Blocks on the end obsidian platform would not be deleted every time an entity goes through the end portal.

Code Analysis:

Code analysis by Avoma can be found below.

The following is based on a decompiled version of Minecraft 1.18.1 using MCP-Reborn.

net.minecraft.world.entity.Entity.java
public abstract class Entity implements Nameable, EntityAccess, CommandSource {
   ...
   public Entity changeDimension(ServerLevel $sl) {
      if (this.level instanceof ServerLevel && !this.isRemoved()) {
         ...
         if (portalinfo == null) {
            return null;
         } else {
            ...
            if (entity != null) {
               ...
               if ($sl.dimension() == Level.END) {
                  ServerLevel.makeObsidianPlatform($sl);
               }
            }
            ...

If we look at the above class, we can see that when an entity enters the end portal, the makeObsidianPlatform() method is called. This method completely regenerates the end obsidian platform (including the space above), causing blocks previously placed at its position to be deleted.



 Comments   
Comment by Numeritos [ 29/May/24 ]

Can reproduce in 1.21 Pre-1

EDIT: According to Kingbodgz' tweet (https://x.com/kingbdogz/status/1795823127362154962) this cannot be reproduced in 1.21 Pre-1

Comment by Brain81505 [ 11/Feb/23 ]

Can confirm in 23w06a

Comment by Brain81505 [ 01/Feb/23 ]

Can confirm in 23w05a

Comment by Brain81505 [ 25/Jan/23 ]

Can confirm in 23w04a

Comment by Brain81505 [ 18/Jan/23 ]

Can confirm in 23w03a

Comment by [Mod] Avoma [ 31/Aug/22 ]

purejosh, this game mechanic isn't working as intended as per the assinged "Mojang Priority" on this ticket. In other words, Mojang Studios have recognized this to be a valid problem.

Comment by enkvadrat [ 24/Aug/22 ]

I think the blocks should drop as if mined by a player instead of being deleted 

Comment by user-f2760 (Inactive) [ 23/Jul/22 ]

It also doesn't need to do that every time; as long as it can find a place with block below feet and air at head, it shouldn't regenerate; if there's none, it only needs to fill those 2 blocks, not destroying everything.

Comment by Mark Tolonen [ 23/Jul/22 ]

Is it intended that when I set a shulker box full of high tier items down and another player comes through and it vanishes?  That's a bug.  clear the space around the head of the incoming player if you must and regenerate the obsidian, but not the whole platform.

Comment by HubbiGamingTV [ 22/Jul/22 ]

this is intended because the end has a fixed spawnpoint and you would suffocate if the obsidian platform and 2 3 by 3 layers above it wouldnt reset. i would rather be happy about a basicly infinite obsidian farm because of that.

Comment by MacchuPicchu [ 16/Jun/22 ]

Present in 22w24a.

Comment by MacchuPicchu [ 02/Jun/22 ]

Present in 1.19-rc1.

Comment by MacchuPicchu [ 01/Jun/22 ]

Present in 1.19-pre5.

Comment by MacchuPicchu [ 30/May/22 ]

Present in 1.19-pre4.

Comment by Eric Schneider [ 02/Feb/22 ]

I just lost 3 SO MANY hours of work in mining and enchanting to this bug. How has this not been addressed? This is absolutely ridiculous.

Comment by Mark Tolonen [ 06/Dec/21 ]

This horrible behavior.  I've been playing for years and didn't know this, and having a couple shulker boxes of stuff that took hours to create vanish without warning is a bug, esp. when there is no cause to clear the blocks...the platform had plenty of space to spawn players.  The fact that this was opened 9 years ago means "Normal" priority is to ignore it.

Comment by [Mod] Avoma [ 04/Oct/21 ]

I am able to confirm this behavior in 21w39a. Here are some extra details regarding this problem.

The Bug:

The end obsidian platform resets every time an entity goes through the end portal, which can cause blocks to be deleted.

Steps to Reproduce:

  • Enter the end by using an end portal.
  • Place some blocks on top of and around the obsidian platform that you spawn on.
  • Take note of the blocks that you've just placed.
  • Run the "/kill" command.
  • Enter the end once again by using an end portal and notice how some blocks that you previously placed have been deleted.

Observed Behavior:

The end obsidian platform resets every time an entity goes through the end portal, which can cause blocks to be deleted.

Expected Behavior:

The end obsidian platform would not reset every time an entity goes through the end portal, which wouldn't cause blocks to be deleted.

Comment by user-f2760 (Inactive) [ 30/Aug/21 ]

I can see how this is a way of preventing "spawn killing", by breaking the platform, or filling its space up. However, it makes more sense to only set the obsidian blocks if there's air, and only set air anywhere on the platform, if there's no air on the platform (and if there is, to move the player to it).

Comment by W_V [ 30/Aug/21 ]

Also, where is the source of this not being a bug?

Comment by [Mod] ampolive [ 30/Aug/21 ]

Newer players might not know this. Also this has an assigned Mojang Priority, so it is considered a bug.

Comment by purejosh [ 30/Aug/21 ]

This is an intended feature. Not a bug. The solution is to not use the obsidian platform as an area to put your stuff. 

Comment by Boas Bakker [ 29/Aug/21 ]

Why is this a bug? It is so people can't trap the end, by removing the platform and letting you fall in the void, or by soffocating you, intentional or not intentional. It also allowed for farming obsidian this way, which is used by many players. In my opinion this should be intentional game design. (If you want to fix it you could only generate the platform and remove the blocks once, when they enter.)

Comment by [Mod] Avoma [ 17/Aug/21 ]

Relates to MCPE-52483.

Comment by [Mod] Avoma [ 15/Jul/21 ]

Can confirm in 1.17.1.

Comment by Steve Hsu [ 28/Jun/21 ]

caused by the fix for MC-123155

Comment by [Mod] ampolive [ 27/Jun/21 ]

Can confirm in 1.17.1 Pre-release 1.

Comment by [Mod] Avoma [ 18/Jun/21 ]

Can confirm in 1.17.

Comment by [Mod] Avoma [ 30/Apr/21 ]

Can confirm in 21w17a.

Comment by [Mod] Avoma [ 14/Mar/21 ]

Can confirm in 21w10a. Video attached.

Comment by [Mod] Avoma [ 05/Feb/21 ]

Can confirm in 21w05b.

Comment by [Mod] markderickson [ 17/Sep/20 ]

Hi! I'd like to request ownership of this report.

Comment by David Vázquez [ 04/Apr/20 ]

Just lost the best shulker box I had, thanks mojang, really cool. Btw, I know this isn't completely a bug, but still, your game is already full of unsolved bugs. 

Comment by Dennis Gründel [ 24/Jun/19 ]

ye if this is a permanent thing.. pls put it in the Wiki. It is very disappointing.

Comment by ms [ 29/Oct/12 ]

Oh wauw, hadn't thought about that. Well thanks for clarifying this for me.

Comment by Chalmes (Jon) [ 29/Oct/12 ]

If it didn't reset, then someone could fill it with blocks and when you went through, you'd suffocate.

Nether portals have a bit of space in them already so that can't happen with them.

Comment by ms [ 29/Oct/12 ]

Oh okay thanks.
But isn't it still a bid stupid, that it resets everytime?

Comment by Chalmes (Jon) [ 28/Oct/12 ]

Intended. The spawn platform and the air above it are reset each time someone enters the end.

Tip: Don't place your chests on it.

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