[MC-2545] Persistent Chunk error / Corrupted world / Wrong location spam Created: 08/Nov/12  Updated: 05/Sep/24  Resolved: 05/Sep/24

Status: Resolved
Project: Minecraft: Java Edition
Component/s: None
Affects Version/s: Minecraft 1.4.4, Minecraft 1.4.5, Snapshot 12w50b, Minecraft 1.4.6, Minecraft 1.4.7, Snapshot 13w05b, Snapshot 13w09a, Snapshot 13w09b, Snapshot 13w09c, Snapshot 13w10a, Snapshot 13w10b, Minecraft 1.5.1, Minecraft 1.5.2, Snapshot 13w18b, Snapshot 13w18c, Snapshot 13w21b, Snapshot 13w22a, Minecraft 1.6.2, Minecraft 13w36a, Minecraft 13w36b, Minecraft 1.7.1, Minecraft 1.7.2, Minecraft 1.7.4, Minecraft 1.7.5, Minecraft 1.7.8, Minecraft 1.7.9, Minecraft 14w28b, Minecraft 14w29b, Minecraft 14w30c, Minecraft 14w32b, Minecraft 1.8, Minecraft 1.8.1, Minecraft 1.8.7, Minecraft 1.9.1, Minecraft 1.9.2, Minecraft 1.10.2, 1.14.4, 21w08b, 21w11a
Fix Version/s: Minecraft 1.8.1-pre1

Type: Bug
Reporter: Greg Richardson Assignee: Unassigned
Resolution: Fixed Votes: 71
Labels: hole, rendering, void, world
Environment:

Windows 8 (Windows 7 compatibility mode)


Attachments: PNG File 2012-11-08_20.27.32.png     PNG File 2013-01-21_20.30.41.png     PNG File 2015-06-21_16.11.58.png     Zip Archive Bug Report.zip     Text File LocSpam.txt     PNG File MC-2545-1.8 (2).png     PNG File MC-2545-1.8.1 (fixed) (2).png     PNG File MC-2545-1.8.1 (fixed).png     PNG File MC-2545-1.8.png     PNG File i307^cimgpsh_orig.png     PNG File i327^cimgpsh_orig.png     PNG File i328^cimgpsh_orig.png     PNG File log spam.png     PNG File new_terrain.png     JPEG File screenshot-1.jpg     JPEG File screenshot-2.jpg    
Issue Links:
Duplicate
is duplicated by MC-5399 NullPointerException on server start Resolved
is duplicated by MC-5463 1.4.6 Server-Side chunk errors Resolved
is duplicated by MC-5676 Unloaded chunks Resolved
is duplicated by MC-6433 Player is stuck in a block that not l... Resolved
is duplicated by MC-7264 Random Server Crash Resolved
is duplicated by MC-8279 Falling into void in unloaded chuncks... Resolved
is duplicated by MC-8545 world holes Resolved
is duplicated by MC-8564 missing chunck in solo gameplay Resolved
is duplicated by MC-8767 Permanently damaged chunks, ghost chunks Resolved
is duplicated by MC-8769 CHUNKS NOT LOADING CAUSING MASSIVE LAGG Resolved
is duplicated by MC-9020 Pigs are spawning everywhere and big ... Resolved
is duplicated by MC-9207 The blocks disappear. Resolved
is duplicated by MC-9228 Chunks not loading? Resolved
is duplicated by MC-9528 Large shadow area never illuminates Resolved
is duplicated by MC-9969 Missing chunk at origin chunk (0,0) Resolved
is duplicated by MC-10606 World chunk (Only one that we know of... Resolved
is duplicated by MC-10672 I got on my server without wifi i wen... Resolved
is duplicated by MC-10911 Can't Load Save World Resolved
is duplicated by MC-11159 Chunk doesnt load Resolved
is duplicated by MC-11246 Weird Chunk/Block Errors Resolved
is duplicated by MC-11301 Wrong Location in the console / Extre... Resolved
is duplicated by MC-11627 [SEVERE] Wrong location! rb['item.ite... Resolved
is duplicated by MC-12237 World being self-destruct Resolved
is duplicated by MC-12993 Logged onto world and all except thre... Resolved
is duplicated by MC-13092 I was playing harcore single player, ... Resolved
is duplicated by MC-13134 Unfixed Chunk Error Resolved
is duplicated by MC-14740 chunks not loading Resolved
is duplicated by MC-14938 Giant world holes Resolved
is duplicated by MC-15000 Chunks not loading Resolved
is duplicated by MC-15141 Chunks randomly dissapearing Resolved
is duplicated by MC-15167 World Corruption? Resolved
is duplicated by MC-15231 Minecraft doesn't do things anymore Resolved
is duplicated by MC-15344 Error in loading Nether chunks Resolved
is duplicated by MC-15375 World Generation Issues Resolved
is duplicated by MC-15630 Crash Resolved
is duplicated by MC-15977 Game ticks Resolved
is duplicated by MC-15986 Chunks not loading world Resolved
is duplicated by MC-16474 The game have created a "black hole" ... Resolved
is duplicated by MC-18330 Some chunks aren't loaded, and lead s... Resolved
is duplicated by MC-18552 There is an area that is zero fps, ha... Resolved
is duplicated by MC-19034 Wrong location of some mobs Resolved
is duplicated by MC-19249 my world got filled with betaholes Resolved
is duplicated by MC-20355 FPS drop - Launcher stuck Resolved
is duplicated by MC-20953 [SEVERE] Wrong location! Resolved
is duplicated by MC-22112 1.6.1 will not load my world!!! Resolved
is duplicated by MC-23182 semi-transparent black column that is... Resolved
is duplicated by MC-23197 Wrong Loaction Mob Duplication Resolved
is duplicated by MC-24760 Extremely bad lag and console is spam... Resolved
is duplicated by MC-25493 i was in a mine getting wood en found... Resolved
is duplicated by MC-25670 big holes Resolved
is duplicated by MC-25792 chunk errors in old maps Resolved
is duplicated by MC-25818 Permanent Chunck not Loading Resolved
is duplicated by MC-26023 Chunks lost - Server Bug Resolved
is duplicated by MC-26058 bug holes that wont disappere when i ... Resolved
is duplicated by MC-26421 a random hole appeared in the middle ... Resolved
is duplicated by MC-26709 A large section of the map (vertical ... Resolved
is duplicated by MC-27038 16by16 area that cant be used Resolved
is duplicated by MC-27543 Wierd chunk error does not dissapair Resolved
is duplicated by MC-28003 Chunks don't load at all Resolved
is duplicated by MC-28247 Chunk won't load Resolved
is duplicated by MC-28509 I can't play my world! Resolved
is duplicated by MC-28516 1.6.2 black hole bug Resolved
is duplicated by MC-29204 Server Crash Resolved
is duplicated by MC-29337 Chunk Problems Resolved
is duplicated by MC-30525 A big black hole till the void Resolved
is duplicated by MC-30611 World does not exist, unable to move. Resolved
is duplicated by MC-30740 Worlds take a long time to load then ... Resolved
is duplicated by MC-30826 computer issued blue screen of death,... Resolved
is duplicated by MC-30983 "dark space" and game not loading (re... Resolved
is duplicated by MC-31392 chunks restored/missing after power o... Resolved
is duplicated by MC-33062 This happens every time I open a worl... Resolved
is duplicated by MC-33328 Minecraft world won't open Resolved
is duplicated by MC-33559 major problem Resolved
is duplicated by MC-33690 I feel through a glitch in the world ... Resolved
is duplicated by MC-36164 You can fall through the floor on a u... Resolved
is duplicated by MC-37171 World Generate Bugs Resolved
is duplicated by MC-37446 a random chunck lake pit appeared Resolved
is duplicated by MC-37868 [SEVERE] Chunk file at 18,21 is in th... Resolved
is duplicated by MC-38021 All the blocks in a square area were ... Resolved
is duplicated by MC-38871 Maps, chunks Resolved
is duplicated by MC-38877 Unloaded Chunk Resolved
is duplicated by MC-38968 Minecraft server freezes and boots al... Resolved
is duplicated by MC-39220 Repeatedly corrupted vanilla survival... Resolved
is duplicated by MC-39225 It can,t load Resolved
is duplicated by MC-39716 Only small vertical section of world ... Resolved
is duplicated by MC-40281 Server issue Resolved
is duplicated by MC-40671 World Not Loading, Freezes when 'Worl... Resolved
is duplicated by MC-40948 When i log on i can only see half the... Resolved
is duplicated by MC-41193 Block/Item Lag in Single Player Resolved
is duplicated by MC-41446 Lagging Resolved
is duplicated by MC-41930 Descending Preformance of my Minecraft Resolved
is duplicated by MC-42326 #black holes appeared Resolved
is duplicated by MC-42419 Two javaw.exe processes consuming nea... Resolved
is duplicated by MC-42432 black hole Resolved
is duplicated by MC-42506 Acts like far lands Resolved
is duplicated by MC-42527 Nothing loading and saving properly Resolved
is duplicated by MC-42966 Permanent dead chunk Resolved
is duplicated by MC-43941 Mass mob spawns Resolved
is duplicated by MC-43995 cows spawning everywhere Resolved
is duplicated by MC-44148 I can't enter my world Resolved
is duplicated by MC-45248 Major Chunk loading error Resolved
is duplicated by MC-45273 Corrupt Beta Hole Resolved
is duplicated by MC-45352 Chunck error with LAN World Resolved
is duplicated by MC-46578 Lots And Lots of Chunk Errors Resolved
is duplicated by MC-47146 World generation bug 1.7.4 Resolved
is duplicated by MC-47349 Minecraft Game Not Responding Resolved
is duplicated by MC-47391 Game freezes, CPU 100% busy, appears ... Resolved
is duplicated by MC-47702 Large areas of chunks not loading in ... Resolved
is duplicated by MC-48541 Corrupted Chunks Resolved
is duplicated by MC-48750 chunks will not load Resolved
is duplicated by MC-49426 Chunk errors Resolved
is duplicated by MC-49920 Chunks disappear or become corrupt in... Resolved
is duplicated by MC-50737 Loading Error Resolved
is duplicated by MC-50880 chunck not loading in at all Resolved
is duplicated by MC-51294 All the mobs are frozen and my map wo... Resolved
is duplicated by MC-51534 Chunk Error Resolved
is duplicated by MC-51854 Chunck not loading Resolved
is duplicated by MC-51945 Chunk missing Resolved
is duplicated by MC-52040 Chunk Error does not render Resolved
is duplicated by MC-52335 Air chunks Resolved
is duplicated by MC-52392 1.7.5 Glitches (Dug Rock Reappears, T... Resolved
is duplicated by MC-52545 Old Bug Is Back Resolved
is duplicated by MC-52810 Part of my world (top to bottom) goes... Resolved
is duplicated by MC-52911 1.7.8 Server Not Connectable Resolved
is duplicated by MC-52935 A huge rectangular hole in the world Resolved
is duplicated by MC-52990 Unloaded chunks in single player world. Resolved
is duplicated by MC-53053 My casle fan world will not build ter... Resolved
is duplicated by MC-53176 A huge 30x30 pit of nothing just appe... Resolved
is duplicated by MC-53951 Chunk loading glitch Resolved
is duplicated by MC-55167 World Holes Resolved
is duplicated by MC-55334 World loading errors. Resolved
is duplicated by MC-55831 Crashing computer, world missing pieces Resolved
is duplicated by MC-56103 Empty spaces Resolved
is duplicated by MC-56664 A chunk of the world is missing, and ... Resolved
is duplicated by MC-56773 World does not load and consumes RAM Resolved
is duplicated by MC-57124 Server Overloaded Resolved
is duplicated by MC-58684 Empty chunks Resolved
is duplicated by MC-59331 Missing chunk of the world in my surv... Resolved
is duplicated by MC-59346 16x16 area Dark area opens to bottom ... Resolved
is duplicated by MC-62067 Bug in saved game Resolved
is duplicated by MC-62585 Chests/doors either don't work or hav... Resolved
is duplicated by MC-64005 Wrong Location of a entity Resolved
is duplicated by MC-64016 java.lang.exception: stack trace. at... Resolved
is duplicated by MC-64033 Random mobs spawn Resolved
is duplicated by MC-64583 Random Craters in the Ground (not cav... Resolved
is duplicated by MC-65206 random unloaded hole Resolved
is duplicated by MC-66103 There is a large hole in my fortress.... Resolved
is duplicated by MC-68103 Black Hole Resolved
is duplicated by MC-69044 a chunk not loading and light not lig... Resolved
is duplicated by MC-69567 Chunk Loading Issues in 1.8-pre2 / co... Resolved
is duplicated by MC-69653 Got the vertical cave in my village Resolved
is duplicated by MC-71277 Chunks unloading and staying unloaded Resolved
is duplicated by MC-71458 Crashed on Power Outage now whole blo... Resolved
is duplicated by MC-71775 1.8 chunks regenerating when leaving ... Resolved
is duplicated by MC-71783 When loading my 1.8 survival world,an... Resolved
is duplicated by MC-71950 Chunk not loading and recovering Resolved
is duplicated by MC-72098 un-use-able chunks Resolved
is duplicated by MC-72143 Wrong location error in log Resolved
is duplicated by MC-72164 Chunks not loading. Resolved
is duplicated by MC-72218 Big hole in scenery Resolved
is duplicated by MC-72264 Black Hole in 1.8 Resolved
is duplicated by MC-72942 Chunks replacing sections of my Minec... Resolved
is duplicated by MC-73659 Rectangular holes t bottom of world r... Resolved
is duplicated by MC-73749 Random Holes Resolved
is duplicated by MC-73750 World went blank, then respawned to a... Resolved
is duplicated by MC-74070 A chunk of land is not being rendered... Resolved
is duplicated by MC-74192 Large Pits Appearing In Game Resolved
is duplicated by MC-74479 Bug with chunks loading.... Resolved
is duplicated by MC-74495 entire world disintegrated after a ch... Resolved
is duplicated by MC-74539 Chunk error Resolved
is duplicated by MC-74793 Saved game loses everything built Resolved
is duplicated by MC-74861 A big hole in the ground ! Resolved
is duplicated by MC-75375 Huge hole to void - 1 chunk? Resolved
is duplicated by MC-76026 Big chunks of the map start missing a... Resolved
is duplicated by MC-78793 A large hole or structures cut in hal... Resolved
is duplicated by MC-81955 Mysterious Giant Holes Resolved
is duplicated by MC-81993 When I try to open a world not create... Resolved
is duplicated by MC-82259 Pit of Death? Resolved
is duplicated by MC-93134 Missing chunk Resolved
is duplicated by MC-95857 Chasm is created in village Resolved
is duplicated by MC-136905 My server crashed, when I started it ... Resolved
is duplicated by MC-157736 when i exited my world and came back ... Resolved
is duplicated by MC-157738 A random chunk appeared Resolved
is duplicated by MC-219883 world generation Resolved
is duplicated by MC-996 Can't load my world Resolved
is duplicated by MC-1194 Worlds not saving, chunks not loading... Resolved
is duplicated by MC-1217 Enderman glitch death Resolved
is duplicated by MC-1245 Infinite Hole Resolved
is duplicated by MC-1337 bottomless pit Resolved
is duplicated by MC-2297 I killed the Ender Dragon and My worl... Resolved
is duplicated by MC-2477 internal exception:java.net.sockectti... Resolved
is duplicated by MC-2730 Large Biomes Chunk Failure Resolved
is duplicated by MC-3525 18 by 18 bottomless pit Resolved
is duplicated by MC-3742 Impossible continue of loaded game Resolved
is duplicated by MC-4006 Some of chunks not loaded, player stuck Resolved
is duplicated by MC-4215 Two missing chunks Resolved
is duplicated by MC-4746 Almost Chunk Error? Resolved
is duplicated by MC-4972 Square area won't render Resolved
is duplicated by MC-5316 Chunk error Resolved
Relates
relates to MC-276407 Upgrading old worlds affected by MC-2... Open
relates to MC-2548 A chunk with previously generated dat... Resolved
relates to MC-3766 Game crashes when opening a second in... Resolved
relates to MC-4001 Chunk reverts to an earlier state Resolved
relates to MC-4061 Entity Mass Spawning near chunk error Resolved
CHK:
Confirmation Status: Confirmed
Category:
Chunk loading
Mojang Priority: Important
Area: Platform

 Description   

Chunk error in my single player world, is not fixable with a relog at all. World was generated in 1.4.2, and has been played through to 1.4.4 pre but only since 1.4.4 pre has the chunk error happened.



 Comments   
Comment by Ceresjanin123 [ 05/Sep/24 ]

I can confirm this issue has been fixed in 1.8.1 pre1.
Every single instance of "can confirm" or "duplicates" since then has been unrelated chunk loading issues, terrain generation quirks or difference between terrain gen between different version. Many issues were straight up invalid but marked as a duplicate of this report anyway

This permament chunk error that this report is about is indeed fixed. You can see it by downloading the world from MC-11246
If you load it in 1.8 you will notice permament chunk errors in chunks located at -488 (Y) 295 and -429 (Y) 458
You will also notice the signature "Wrong location!" spam in the console.

If you load the world in 1.8.1 the chunk errors and log spam is gone

TLDR; This is fixed the issue should be closed

Comment by [Mod] ampolive [ 11/Aug/23 ]

OCA3P Your screenshots show an issue with Bedrock Edition. Please head to the MCPE project instead, this project is for Java Edition only.

Comment by OCA3P [ 10/Aug/23 ]

holes..... and they are pretty much real... minecraft bedrock 1.20 i wake up in a void, lost all my itens and a few usefull villagers ;-; (help please, i miss Gregório so much).... (sorry for my poor english. i'm far from being fluent)

Comment by Ceresjanin123 [ 20/Oct/21 ]

This no longer occurs. Some people mistake chunks loading slowly for chunk errors and "confirm" this bug is still present while it is not.
I actually haven't been able to find any of those dark chunk errors that caused MC-4061 for quite some time

Comment by corey manlen [ 19/Feb/21 ]

happenend to me in 21w07a

Comment by [Mojang] Adrian Östergård [ 14/Feb/20 ]

Is this still an issue in 1.15.2 or later? If it's still an issue, please provide repro steps or attach a world where the issue happens.

Comment by Richard Langlo [ 21/Jan/20 ]

This happened to me also. I assume there is no fix for this?

Big black hole going through the world. I have logged out/in. I have traveled to the nether and back. When I jump into the hole, I will fall through the world and die. 

Since my house is partly in the hole, I have made my water elevator flow into the hole. I was able to travel down and into my mineshaft that is also affected. 

Playing bedrock edition, windows 10. V1.14.1. 

Comment by carpet0928 [ 04/Oct/18 ]

I think this issue was already confirmed for 1.13.1 per duplicate MC-136905.

Comment by [Mod] Asteraoth [ 03/Oct/18 ]

Is this still an issue in Minecraft 1.13.1?

Comment by Matthew [ 25/Jun/18 ]

Does this still affect the current versions of Minecraft? (1.12.2, 1.13-pre3). If so, please update the ticket accordingly.

Comment by Jessica Kathryn Olson [ 15/Apr/17 ]

this just happened to me except a little bit later i found part of the chunk that had been taken out, most of it. it was a separate area of my world...

Comment by CDES4 (Inactive) [ 20/Oct/16 ]

Cool.

Comment by SunCat [ 20/Oct/16 ]

Fix Version(s) list contains versions in which they attempted to fix the issue.

Comment by CDES4 (Inactive) [ 20/Oct/16 ]

Change Required
Fix Version(s) "Minecraft 1.8.1-pre1" to "None"
Reason; Affects Version contains versions after Fix Version

Comment by null (Inactive) [ 27/Jul/16 ]

Appears to still be in 1.10.2. I went to the chunk error in 2012-11-08_20.27.32.png, but I found a chunk that was generated with new terrain (new_terrain.png).

[18:37:32] [Server thread/INFO]: Starting integrated minecraft server version 1.10.2
[18:37:32] [Server thread/INFO]: Generating keypair
[18:37:32] [Server thread/INFO]: Preparing start region for level 0
[18:37:33] [Server thread/ERROR]: Chunk file at -11,12 is in the wrong location; relocating. (Expected -11, 12, got -6, 13)
[18:37:33] [Server thread/WARN]: Wrong location! (-6, 13) should be (-11, 12), zd['Skeleton'/37, l='LP server', x=-85.22, y=65.00, z=216.65]
[18:37:33] [Server thread/WARN]: Wrong location! (-6, 13) should be (-11, 12), zd['Skeleton'/38, l='LP server', x=-86.51, y=64.00, z=213.31]
[18:37:33] [Server thread/WARN]: Wrong location! (-6, 13) should be (-11, 12), zd['Skeleton'/39, l='LP server', x=-87.89, y=64.00, z=213.88]
[18:37:33] [Server thread/WARN]: Wrong location! (-6, 13) should be (-11, 12), zg['Spider'/40, l='LP server', x=-86.67, y=65.00, z=216.24]
[18:37:33] [Server thread/WARN]: Tried to add entity Skeleton but it was marked as removed already
[18:37:33] [Server thread/WARN]: Tried to add entity Skeleton but it was marked as removed already
[18:37:33] [Server thread/WARN]: Tried to add entity Skeleton but it was marked as removed already
[18:37:33] [Server thread/WARN]: Tried to add entity Spider but it was marked as removed already
[18:37:33] [Server thread/INFO]: Preparing spawn area: 62%
[18:37:33] [Server thread/INFO]: Changing view distance to 16, from 10
[18:37:34] [Server thread/INFO]: __null[local:E:28b6d04d] logged in with entity id 249 at (-83.05588815617669, 65.24918707874468, 248.28641046637858)
[18:37:34] [Server thread/INFO]: __null has joined the game
Comment by user-f2760 (Inactive) [ 03/Apr/16 ]

I just had this in my world

[12:58:48] [Server thread/WARN]: Wrong location! (14, 33) should be (12, 30), xq
['Lightning'/104, l='Luigi's Mansion', x=227,50, y=54,00, z=532,50]

now I know what happens to my custom lightning

reopened and updated the affected versions

Comment by Lewis Holmes [ 01/Aug/15 ]

Not fixed.

Comment by a [ 23/Jun/15 ]

This ticket has an awful description, yet somehow it's been used as the main link for a ton of other tickets. It's been used as a dumping ground for any report that is related to chunk errors. However, I doubt ALL those dupe tickets are actually reporting the same issue.

I recently had a world that was created fresh in 1.8.7 load (after a couple save and quits) with a couple missing chunks. It was impossible to walk into the empty pit. Reloading the chunks with F3+A did not work. Exiting the world and opening it again restored the chunks to their proper state.

I'm adding a screenshot and relevant log info anyway...

[16:05:46] [Server thread/INFO]: PLAYER joined the game
[16:05:48] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2282ms behind, skipping 45 tick(s)
[16:05:49] [Client thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.util.ConcurrentModificationException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_45]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_45]
	at g.a(SourceFile:61) [1.8.7.jar:?]
	at ave.av(SourceFile:880) [1.8.7.jar:?]
	at ave.a(SourceFile:325) [1.8.7.jar:?]
	at net.minecraft.client.main.Main.main(SourceFile:124) [1.8.7.jar:?]
Caused by: java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429) ~[?:1.8.0_45]
	at java.util.HashMap$KeyIterator.next(HashMap.java:1453) ~[?:1.8.0_45]
	at ne.<init>(SourceFile:23) ~[1.8.7.jar:?]
	at amy.<init>(SourceFile:80) ~[1.8.7.jar:?]
	at bcz.c(SourceFile:50) ~[1.8.7.jar:?]
	at bdb.b(SourceFile:135) ~[1.8.7.jar:?]
	at bcy.a(SourceFile:890) ~[1.8.7.jar:?]
	at gp.a(SourceFile:81) ~[1.8.7.jar:?]
	at gp.a(SourceFile:10) ~[1.8.7.jar:?]
	at fh$1.run(SourceFile:13) ~[1.8.7.jar:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_45]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_45]
	at g.a(SourceFile:60) ~[1.8.7.jar:?]
	... 3 more
Comment by Kyle Bartush [ 09/May/15 ]

Can not reproduce in minecraft 1.8 or 1.8.1

Comment by Dan Midgett [ 23/Apr/15 ]

Come on Mojang! Fix this issue already! This really messes up player's saves when it happens.

You know why this happens right? It is because minecraft has a real-time autosaving feature. It's saving all the time. If anything interferes or interrupts that process in midsave then you get a corrupted chunk from saving. But there is a solution to real-time saving errors! It's the same solution as the one for handling noise corruption in cell phone transmissions, namely: REDUNDANCY. When you try to save over a perfectly good old save for a chunk DON'T overwrite it directly. Instead back up the working old save for that chunk. Hold onto these backups for about 5 minutes backwards. Then, if the game detects a missing/relocated/corrupt chunk replace it with the most recent backup and inform the player a chunk error has been detected and it was restored from a backup. This is the smart way to do it. It would mean that you don't need to back up your whole game, just carry backups for a few minutes in the past and only for the chunks that have been recently updated. This wouldn't even up file-sizes much. When you log out and close the game permanently only carry the latest backup so the game can run a check for errors when you log back in and restore if it detects this problem. Since you usually only have made changes to a few chunks in the minute before you logged out this would not increase file-sizes nearly as much as even a single backup of the whole save. They back up level.dat so they really should do the same for recently updated chunks.

Comment by Christa Lunn [ 27/Jan/15 ]

My server running 1.8.1 just got hit by this today, console spam with:

27.01 00:57:17 [Server] Server thread/ERROR Chunk file at 108,151 is in the wrong location; relocating. (Expected 108, 151, got 100, 149)
27.01 00:57:12 [Server] Server thread/ERROR Chunk file at 105,137 is in the wrong location; relocating. (Expected 105, 137, got 101, 141)

Comment by Dlawso the Really Lucky Rabbit [ 17/Dec/14 ]

Cannot reproduce with a fresh world created in 1.8.1. If you're still experiencing this issue, then the whole world might be corrupted.

Comment by Jason D. Stubbings [ 17/Dec/14 ]

Agreed - still an issue in 1.8.1 - see MC-75375. This issue should be re-opened as it certainly is not resolved

Comment by Marcus [ 04/Dec/14 ]

same happens to me

Comment by Jasper van den Berg [ 29/Nov/14 ]

Still occurs in 1.8.1!!!
MC-74861

Comment by Marcono1234 [ 22/Nov/14 ]

Maybe still occurs in 1.8.1-pre5 (according to MC-74539)

Comment by Lucas Ignacio Morrison Osorio [ 05/Oct/14 ]

well this got fixed on 1.8.x, not released yet.

Comment by Luciano Silvestri [ 22/Sep/14 ]

the bug still occurs in 1.8

Comment by Louis Poeker [ 18/Sep/14 ]

MCedit is helpful and to recommend.

You can delete the corrupted chunk
It is easy and quickly done
you loose then everything that was on it (but that was already the case when it was corrupted)
no guarantee, that it could happen again on the same chunk (since we don't know the reason), so don't build to large stuff on it

Comment by Louis Poeker [ 16/Sep/14 ]

same for v1.8

staying some time next to it results in "not be able to interact anymore with anything, so i can't dig/mine anymore

Comment by Stephen R Hudson [ 24/Aug/14 ]

Still happening in pre-1

Comment by Ezio [ 06/Aug/14 ]

Still happening in 14w31a

Comment by Daniel Toro [ 06/Aug/14 ]

Just happened to me on version 1,7.10. I jumped in the hole died by drowning, re spawned, but the error persisted tried minning around the hole but no blocks would generate, no mobs either. Finally the world won´t load anymore.

Comment by Stephen R Hudson [ 29/Jul/14 ]

Persistant errors in a newly created 14w30c vanilla world.

Comment by John [ 27/Jul/14 ]

i get this issue in 14w30c but i dont crash or get permenet chunk errors

Comment by Fredrik [ 25/Jul/14 ]

Log from 14w30c, where the server seems to run fine but console log gets a lot of these:

[17:43:39] [Server thread/WARN]: Wrong location! (-9, -27) should be (-9, -28), abo['Cow'/3846968, l='world', x=-136,14, y=64,00, z=-430,88]
java.lang.Exception: Stack trace
at java.lang.Thread.dumpStack(Unknown Source)
at bed.a(SourceFile:641)
at bet.a(SourceFile:333)
at bet.a(SourceFile:95)
at bet.a(SourceFile:83)
at qk.e(SourceFile:133)
at qk.c(SourceFile:85)
at qk.d(SourceFile:120)
at aqa.a(SourceFile:278)
at aqa.f(SourceFile:274)
at aqa.p(SourceFile:661)
at avp.c(SourceFile:66)
at asv.b(SourceFile:421)
at ql.h(SourceFile:375)
at ql.c(SourceFile:202)
at net.minecraft.server.MinecraftServer.y(SourceFile:597)
at ph.y(SourceFile:303)
at net.minecraft.server.MinecraftServer.x(SourceFile:529)
at net.minecraft.server.MinecraftServer.run(SourceFile:445)
at java.lang.Thread.run(Unknown Source)

Comment by Juan Gaspar Garcia [ 16/Jul/14 ]

still in 14w29b

Comment by Juan Gaspar Garcia [ 11/Jul/14 ]

still in 14w28b...

Comment by NekoJonez [ 01/Jun/14 ]

I have seen this issue for the latest snapshots. I was playing Legendary by Vechs and the orange wool area had a whole chunk missing.

Comment by Stephen R Hudson [ 31/May/14 ]

Also getting this problem in 1.7.9, resolution involves either reverting to a backup copy and pasting changes via mcedit (or just re-doing the work) or deleting the chunk from the current world and pasting in construction from a backup. Without deleting the chunk using MCEdit, it generates continual errors as players or mobs attempt to move into the bad chunk.

When it reported:

Chunk file at 4,7 is in the wrong location; relocating. (Expected 4, 7, got 11, 15)

it actually was 4,7 and should have been kept at 4,7, not relocated!

This has happened a number of times now, very annoying and requiring many hours of rework to resolve.

Comment by Colleen Tefel [ 31/May/14 ]

Resolved? But the hole is still there and the glitch is spreading. In that biome mine carts wont go on powered track, pressure plates don't work, chests have very delayed opening and I can't build anything because I get stuck in a sort of time warp. It started with one small area now my whole village biome is ruined and I'm concerned it's going to spread even further if I continue to play. Is my whole world of almost a years worth of intensive work destroyed?

Comment by Itouch2 [ 14/May/14 ]

Confirmed for 1.7.9. (MC-55167)

Comment by Anthony Martin [ 03/Apr/14 ]

I noticed that the server will call Thread.dumpStack() every time it reports "Wrong Location!" which is very expensive (much lag inducing). If would be nice if Mojang would call logger.isDebuggingEnabled() (or whatever they use) before arbitrarily calling Thread.dumpStack().

Comment by Charlotte Buff [ 18/Dec/13 ]

This never occured to me before, but since 1.7.4 it is happening constanly. Some corrupted chunks are fully non-solid, others experience the "stuck in invisible block" effect described further above. Most chunks luckily reload properly after logging out and back in or changing render distance multiple times, but one chunk in one particular world fails to load under any circumstances.

Comment by ZaCloud [ 18/Dec/13 ]

For some reason, MC-41197 is listed as a duplicate of this issue (blocks break, then re-appear). And that one's listed as "Resolved", but it is happening to me again in release 1.7.4, in Windows 7. It's consistent and ruins my attempts at a hardcore speed-run, so I had to go back to 1.7.2 for the time being.

I'm really not sure this issue and MC-41197 should be counted as the same; nobody without programming knowledge would look for this issue, if their symptom is blocks breaking, then un-breaking. This made it hard for me to attempt reporting the issue.

Thanks.

Comment by secret_online [ 09/Dec/13 ]

Observed on a vanilla server I run on both the snapshots leading up to 1.7, and 1.7.2 realease.

Comment by Anthony Martin [ 07/Dec/13 ]

I also observed this in 1.7.3 pre-release.

Comment by Grzegorz Bubniak [ 07/Dec/13 ]

I think I have this bug in 1.7.3 prerelease

Not rendered chunk appeared in my singleplayer survival game. I can't enter the chunk. It causes severe lag. After a minute or so of gameplay FPS starts dropping, game starts to lag and usage of processor increases drastically for java process (the launcher).
The development console gets flooded with such type of messages (for various mobs):

[18:01:51 INFO]: Client> java.lang.Exception: Stack trace
[18:01:51 INFO]: Client> 	at java.lang.Thread.dumpStack(Unknown Source)
[18:01:51 INFO]: Client> 	at aoo.a(SourceFile:572)
[18:01:51 INFO]: Client> 	at afs.a(SourceFile:1392)
[18:01:51 INFO]: Client> 	at mm.a(SourceFile:480)
[18:01:51 INFO]: Client> 	at afs.g(SourceFile:1346)
[18:01:51 INFO]: Client> 	at afs.h(SourceFile:1253)
[18:01:51 INFO]: Client> 	at mm.h(SourceFile:365)
[18:01:51 INFO]: Client> 	at net.minecraft.server.MinecraftServer.u(SourceFile:510)
[18:01:51 INFO]: Client> 	at net.minecraft.server.MinecraftServer.t(SourceFile:440)
[18:01:51 INFO]: Client> 	at btk.t(SourceFile:117)
[18:01:51 INFO]: Client> 	at net.minecraft.server.MinecraftServer.run(SourceFile:357)
[18:01:51 INFO]: Client> 	at lb.run(SourceFile:616)
[18:01:51 INFO]: Client> 
[18:01:51] [Server thread/ERROR]: Wrong location! xc['Skeleton'/31301, l='survival_test_startu', x=170,50, y=14,00, z=452,50]

The coords given in the last line match the problematic chunk, thus I think mobs spawned in the chunk or mobs trying to enter the chunk cause the lag.

Environment: Win 8.1 (x64), Java 7 update 45 (64-bit), i7-4770 3,4GHz, 16GB RAM, GTX760

Comment by Mark Veldhuis [ 16/Nov/13 ]

I think I have this problem too:

-Yesterday a chunk got corrupted.
-It had loaded correctly just minutes before.
-Closing and opening the game did not solve it.
-The world has been upgraded several times, this chunk was originally generated last year.
-I never downgraded, or used editors, game mode has always been adventure
-this chunk never regenerated, as happened before somewhere else in this world, but is a grey hole. Entering it will make you fall slowly, like sinking in the water.
-loading the world takes very long time, and all loading takes 'for ever'
-many glitches, sudden change of player location, general feeling of corruption
-reverted to backup

from the log:
20:33:43] [main/INFO]: Setting user: goudensun
[20:33:43] [main/INFO]: (Session ID is token:50c38eb7da7d4b0f9db2f872380cfb4b:d11567930001402ba76a2861e3cbd606)
[20:33:44] [Client thread/INFO]: LWJGL Version: 2.9.0
[20:33:45] [Client thread/INFO]: Reloading ResourceManager: Default
[20:33:46] [Sound Library Loader/INFO]: Sound engine started
[20:33:46] [Client thread/INFO]: Created: 512x256 textures/blocks-atlas
[20:33:47] [Client thread/INFO]: Created: 256x256 textures/items-atlas
[20:33:54] [Client thread/WARN]: Unable to play empty soundEvent: minecraft:music.menu
[20:33:58] [Client thread/WARN]: Unable to play empty soundEvent: minecraft:music.menu
[20:34:00] [Server thread/INFO]: Starting integrated minecraft server version 1.7.2
[20:34:00] [Server thread/INFO]: Generating keypair
[20:34:00] [Server thread/INFO]: Preparing start region for level 0
[20:34:02] [Server thread/INFO]: Preparing spawn area: 10%
[20:34:03] [Server thread/INFO]: goudensun[local:E:f53c9bea] logged in with entity id 59 at (1325.5, 70.69999998807907, -1708.766343297474)
[20:34:03] [Server thread/INFO]: goudensun joined the game
[20:34:05] [Server thread/ERROR]: Chunk file at 88,-113 is in the wrong location; relocating. (Expected 88, -113, got 78, -109)
[20:34:05] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2740ms behind, skipping 54 tick(s)
[20:34:56] [Server thread/ERROR]: Chunk file at 88,-113 is in the wrong location; relocating. (Expected 88, -113, got 78, -109)
[20:35:34] [Server thread/ERROR]: Wrong location! we['entity.MinecartRideable.name'/210, l='Finnmuren', x=1408.17, y=67.35, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! mm['goudensun'/59, l='Finnmuren', x=1408.17, y=66.55, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! mm['goudensun'/59, l='Finnmuren', x=1408.17, y=66.55, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! mm['goudensun'/59, l='Finnmuren', x=1408.17, y=66.55, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! mm['goudensun'/59, l='Finnmuren', x=1408.17, y=66.55, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! mm['goudensun'/59, l='Finnmuren', x=1408.17, y=66.55, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! mm['goudensun'/59, l='Finnmuren', x=1408.17, y=66.55, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! we['entity.MinecartRideable.name'/210, l='Finnmuren', x=1408.57, y=67.35, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! mm['goudensun'/59, l='Finnmuren', x=1408.57, y=66.55, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! mm['goudensun'/59, l='Finnmuren', x=1408.57, y=66.55, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! mm['goudensun'/59, l='Finnmuren', x=1408.57, y=66.55, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! mm['goudensun'/59, l='Finnmuren', x=1408.57, y=66.55, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! we['entity.MinecartRideable.name'/210, l='Finnmuren', x=1408.77, y=67.35, z=-1799.50]
[20:35:34] [Server thread/ERROR]: Wrong location! mm['goudensun'/59, l='Finnmuren', x=1408.77, y=66.55, z=-1799.50]

Comment by Anthony Martin [ 09/Nov/13 ]

Loading the region in MCEdit (0.1.8 build 665) and opening World Info, then clicking Repair Regions fixed the problem and now I don't have the error messages.

Comment by Anthony Martin [ 29/Oct/13 ]

Observed in 1.7.2, general release. The map was reset for this release, so everything is completely new, yet we still see these problems on occasion. Example of messages spammed to log:

[09:59:02] [Server thread/ERROR]: Wrong location! uq['Bat'/11866, l='swim3', x=53591.27, y=28.10, z=-47280.06]
[09:59:02] [Server thread/ERROR]: Wrong location! uq['Bat'/11866, l='swim3', x=53591.40, y=28.10, z=-47280.24]
[09:59:02] [Server thread/ERROR]: Wrong location! uq['Bat'/11866, l='swim3', x=53591.56, y=28.10, z=-47280.45]
[09:59:03] [Server thread/ERROR]: Wrong location! uq['Bat'/11866, l='swim3', x=53591.65, y=28.13, z=-47280.67]
[09:59:03] [Server thread/ERROR]: Wrong location! uq['Bat'/11866, l='swim3', x=53591.67, y=28.17, z=-47280.92]
[09:59:03] [Server thread/ERROR]: Wrong location! uq['Bat'/11866, l='swim3', x=53591.64, y=28.22, z=-47281.18]
[09:59:03] [Server thread/ERROR]: Wrong location! uq['Bat'/11866, l='swim3', x=53591.56, y=28.27, z=-47281.45]

Also observed in the same log:

[09:58:07] [Server thread/ERROR]: Chunk file at 3349,-2956 is in the wrong location; relocating. (Expected 3349, -2956, got 3358, -2955)
Comment by Anthony Martin [ 20/Oct/13 ]

Observed all the way through latest snapshot (13w42b). I'd be nice if there was a flag in server.properties to optionally reset chunks that have this problem.

Comment by Slavik Mechshankin [ 20/Oct/13 ]

A corrupted world is when Minecraft hiccups and plops a chunk from another world to a world. Backups may help.

Comment by Kevin Ratcliff [ 13/Sep/13 ]

So there is no fix and the world has to be abandoned if not functional at normal speed?

Comment by Bilal Cheema [ 09/Sep/13 ]

This is a really strange problem in all Minecraft versions and snapshots, even the latest. The chunk is not corrupted but GET CORRUPTED by giving and taking wrong locations of chunks! I think this bug may never be fixed! I just duplicate by mistake. Issue MC-30525.

Comment by agrastiOs [ 02/Aug/13 ]

Same to me.Badly,I cant delete my houses ,nether portal,farm chunk.And I have way TOO old backup for it.Deleting all entities seems to fix it.But it deletes my farm animals,and villagers.Maybe to copy entities and paste?For me minecraft freezes on building terrain,and in output-server.log there's a error;2013-07-31 22:59:25 [SERVER] [INFO] Starting integrated minecraft server version 1.6.2

2013-07-31 22:59:25 [SERVER] [INFO] Generating keypair
2013-07-31 22:59:25 [SERVER] [INFO] Preparing start region for level 0
2013-07-31 22:59:26 [SERVER] [INFO] Preparing spawn area: 0%
2013-07-31 22:59:27 [SERVER] [INFO] Preparing spawn area: 38%
2013-07-31 22:59:28 [SERVER] [SEVERE] Chunk file at 19,41 is in the wrong location; relocating. (Expected 19, 41, got 20, 41)
2013-07-31 22:59:28 [SERVER] [SEVERE] Wrong location! rn['Bat'/34676, l='Rauliux Villager', x=314,75, y=28,10, z=665,75]
2013-07-31 22:59:28 [SERVER] [SEVERE] Wrong location! rn['Bat'/34677, l='Rauliux Villager', x=314,75, y=28,10, z=665,75];and there's spamming much of that line.
Comment by Dranitsin Roman [ 15/Jul/13 ]

Happened in 1.6.2 on my server, yup not fixable =3

Comment by Tails [ 20/Jun/13 ]

@Nico No it does not, hence persistant. The chunk is corrupt and to fix it either MCEdit it out or use a backup.

Comment by Nico [ 20/Jun/13 ]

Even though i only had this in multiplayer, if my computer has low internet connection

Comment by Nico [ 20/Jun/13 ]

This can usually be fixed with F3+A , it reloads all loaded chunks

Comment by John Distler [ 05/Jun/13 ]

Confirmed in 13w22a
One randomly appeared in my survival world today.
Deleting the chunk via mcedit seems to fix it.
This bug somehow duplicates chickens. (This is a serious statement.)

Comment by Puff Dubby [ 20/Apr/13 ]

I keep having this issue over and over on countless worlds. The only "fix" i can find is to figure out which region file that chunk lives in and delete it so the whole area re-generates.

I have yet to figure out how to "fix" it that doesnt involve losing any progress in that region.

Comment by Alex B [ 18/Apr/13 ]

This happened to me, and i jump down into the "hole"and i fall to about 2-3 blocks from the level it started on at ground, y- coord is 60, and when i disable flymode i fall at around half the speed of normal falls, and i cant place anything inside the chunk zone. Multiplayer chunk cache, if this has anything to do with it, is 439

Comment by SBarger [ 02/Apr/13 ]

This has been happening more frequently. Is there any way to reload the chunks?

Comment by Julian [ 06/Mar/13 ]

This same happened to me! I wish I knew how to fix it!

Comment by jacob eggebeen [ 01/Mar/13 ]

how do you fix it?

Comment by Ratty [ 18/Feb/13 ]

I get this all the time now at the origin chunk, or the chunk the starts at 0X/0Z coordinates. It was in 1.4.6 and 1.4.7, if I fly away and back, it gets filled in, so its a server sync issue. Relogging does fix it, so this is a different bug than the one I reported, but my bug got merged into this as a duplicate, so here I am.
I had to use mcedit to move all of my worlds far away from 0,0 to avoid this issue. I suppose normal servers arent as affected by this as creative servers like ours where everyone has flymods. To cope with this I used mcedit to edit all of our worlds to have them start at 1000,1000.
I hope this gets fixed by 1.5.

Comment by Tails [ 05/Feb/13 ]

Just happend to me on my test world in 13w05b. The corrupted chunk started to mass spawn zombies, so I can confirm MC-4061 aswell. Using MCEdit I found that this chunk was replaced by a chunk that is not too far away (there was redstone stuff, easy to recognize). Deleting the chunk and letting Minecraft rebuild it fixed the problem. I believe this, MC-2548 and MC-4061 are all related.

Comment by Ryan Andrew [ 21/Jan/13 ]

Is this glitch on mac or windows? (or both?)
Cos i got the same problem on my mac mini, it only started when i updated to mountain lion, it did it on my newer world which i made in 1.4.6, then it happened to my fav world which has all my stuff on! It is now on all my worlds apart from my flat creative one, am i right in saying that this glitch doesn't happen on flat worlds?

Comment by K L [ 21/Jan/13 ]

I have the same problem. I hope this gets fixed soon.

Comment by ahmed hmair [ 02/Jan/13 ]

I have the same problem , the world looks ok when you open it in MC edit , editing the corrupt area with MC edit doesn't change anything , the weird thing that even after recreating the world the problem is still there , i think we just have to build around the corrupt area ಥ_ಥ

Comment by Chalmes (Jon) [ 12/Nov/12 ]

Probably. But i've used MCEdit on a couple of occasions. Maybe give it a go, see how it goes.

Comment by Greg Richardson [ 09/Nov/12 ]

Damn it. I had loads of progress from between world_before bug to world_144pre. Is there any way I can fix this short term (i.e with MC edit?)

Comment by Chalmes (Jon) [ 08/Nov/12 ]

It seems to be a corrupted save. Try downloading the provided world and see if you can also reproduce it.

Comment by Antonio Liberato [ 08/Nov/12 ]

Cant this just be your computers preformance?

Comment by Chalmes (Jon) [ 08/Nov/12 ]

world_before bug as per second screenshot (no chunk error)

Comment by Greg Richardson [ 08/Nov/12 ]

Wait is the chunk error there on the world named "world_before bug"? i cant check right now because I'm away from my desktop

Comment by Chalmes (Jon) [ 08/Nov/12 ]

Loaded world world_144pre and got attached screenshot. It seems the trees etc are still there as you can get stuck on them with that glitchy "stuck in an invisible block" thing.

Comment by Greg Richardson [ 08/Nov/12 ]

World save (renamed)

Comment by Mustek [ 08/Nov/12 ]

Can you upload your world, so the devs can eventually look at it?

Comment by Greg Richardson [ 08/Nov/12 ]

Can't jump in it and cannot throw entities into it either. Its like an 'Invisible wall'

Comment by Mustek [ 08/Nov/12 ]

Can you jump in it and fall, or does it make you glitch out?

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