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Fixing corrupted world chunks easily!

This chunk was persistently regenerating inside a build every few hours.

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avatar Creation Bay
Level 55 : Grandmaster Toast
So recently on my server (Creation Bay) we had an issue regarding what appeared to be a corrupted chunk, every 6-10 hours it would regenerate itself completely and as though this wasn't annoying enough it was right in the centre of quite a large build site.

A few of my players banded together and spent some time working out how to go about fixing this issue permanently, and I am happy to say that through their efforts a solution was found! As it turns out fixing corrupted world chunks is quite easy, you just need the right tools to do it.

In order to fix a corrupted chunk you need 2 things:

1) MCEdit (A free world editor for Minecraft, just type it into your preferred search engine and you will find it no worries, there are also tonnes of tutorials and "how-to" videos as well should you need a hand working out how to use it.)

2) The world file that contains the corrupted chunk.

Once you have these 2 things the next part is a piece of cake, simply open the world file that has the chunk issue with MCEdit. Press these keys- "Ctrl+I" and then select the option of "region repair" (Or something along those lines, I cannot remember exactly what the option is called, but it is only 1 of 2 options that are available.) and then let it work its magic!

Re upload the file to your server or open it in Single player (depending on how you play I suppose lol) and it should never bother you again. I have personally tried this method and it is safe to say it has been a success for me and my server!

I have written this article as this issue caused me and a number of my fellow Creation Bay users quite a headache and stress, and I hope that if you are suffering this issue you stumble across this article and find it helpful :)

Thanks everyone, take care and happy crafting! :D

Creditr3v3r53d Airman506 JumboJames SydShawFo BeatlesGirl

Comments : 16

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  • arrow423
  • Level 1
  • New Explorer
  • October 10, 2014, 11:47 pm
Hello. I had a problem with my singlelpayer world. Everytime i logged into it, it crashed. The error is ticking memory connection. I fixed it by going to the region file in my world file. once your in the region file make a backup file anywhere on your computer. Start deleting some of the files one at a time and your problem will get fixed. It may take time but its worth getting your epic world back. I dont know anything about servers though. I have one question though. When a player logs into my LAN world it crashes. Need help pls. Thanks in advance.
  • Tobstah
  • Level 24
  • Expert Pixel Puncher
  • February 11, 2014, 2:28 am
The problem for me is that there are apparently over 200 chunks like this, and every time a player joins the server in one of those chunks the server just crashes. So I'm not sure where all these chunks are located.
Is there a way to do a global chunk fix?
Thanks for helping! I was able to save a world that was hard-worked on with this tutorial.
  • Anthony10
  • Level 25
  • Expert Narwhal
  • December 13, 2013, 8:48 pm
UPDATED 1.7.1!!! Go to: McEdit Tab --> World Info --> Repair Regions
  • Lukasbech
  • Level 1
  • New Miner
  • February 22, 2014, 11:29 pm
Thanks :)
It's also worth noting that you of course have to open your world in MCEdit first
  • Gasnia13
  • Level 1
  • New Miner
  • March 14, 2013, 9:02 pm
im having issues with the crtl+l, for the versoin, idk if its just the newer one but it just goes to the load screen
  • hehateta
  • Level 14
  • Journeyman Miner
  • March 9, 2013, 11:58 pm
This works wonders for a small world, sadly my world is nearly 4gb and takes forever to load in MCEdit...
  • Creation Bay
  • Level 55
  • Grandmaster Toast
  • March 10, 2013, 12:02 am
Yeah, I know what you mean. I did this fix back when the CB world was only about half a gigabyte, now days the world file is well over 6gb.
  • ManBeastPig
  • Level 7
  • Apprentice Network
  • March 5, 2013, 6:47 am
I'm about to try this.
But how do i know which chunk it is?
I have the map coordinates but i dont know the chunk number.
Two questions:
1. Does this work for 1.4.6
2. Did you ever see an issue with players crashing the server when joining on a world with corrupt chunks? I've been having this issue for over a week and would really like some feedback.
Thanks! :D
  • Snapcraft
  • Level 44
  • Master Network
  • December 23, 2012, 3:35 am
[size=12px]Omg.. Marry me..[/size]
  • Creation Bay
  • Level 55
  • Grandmaster Toast
  • December 23, 2012, 1:14 pm
  • Triad2006
  • Level 1
  • New Miner
  • November 28, 2012, 12:44 am
Thanks a lot, you saved my server :-)
  • xianate
  • Level 3
  • Apprentice Crafter
  • October 9, 2012, 4:52 pm
Thank i had a user spawn in a corrupted area the size of the bloody solar system. it crashed the server instantly.
  • Creation Bay
  • Level 55
  • Grandmaster Toast
  • October 9, 2012, 5:16 pm
Yeah, it's not fun...
  • Mongoose42
  • Level 18
  • Journeyman Architect
  • February 22, 2012, 11:22 am
Thank you so much for this very useful piece of information! The corrupted chunk just flew away!

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