I'm having a very serious problem with Minecraft. Basically, as soon as chunks are unloaded and then reloaded, they will automatically regenerate. Also, upon restarting, the chunk I was in was regenerated, and since I was underground, I started suffocating immediately. My render distance is set to 8 chunks, but other than that I'm not sure how to reproduce this bug.
Comments 7
Not exactly; in that case, they would only regenerate if the game was closed and reopened. In my case, they regenerate if they are unloaded under any condition at all.
Please attach the complete output of the "Game Output (Your Minecraft name) " which can be found on the fourth tab of the launcher to this ticket.
If the launcher closes after game start, please edit your profile and select "Launcher visibility" then, "Keep the launcher open"
[16:39:34] [Client thread/INFO]: Setting user: ContronThePanda
[16:39:35] [Client thread/WARN]: Skipping bad option: lastServer:
[16:39:35] [Client thread/INFO]: LWJGL Version: 2.9.4
[16:39:36] [Client thread/INFO]: Reloading ResourceManager: Default
[16:39:49] [Sound Library Loader/INFO]: Starting up SoundSystem...
[16:39:49] [Thread-5/INFO]: Initializing LWJGL OpenAL
[16:39:49] [Thread-5/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[16:39:49] [Thread-5/INFO]: OpenAL initialized.
[16:39:50] [Sound Library Loader/INFO]: Sound engine started
[16:39:50] [Client thread/INFO]: Created: 1024x512 textures-atlas
[16:39:57] [Server thread/INFO]: Starting integrated minecraft server version 1.10.2
[16:39:57] [Server thread/INFO]: Generating keypair
[16:39:57] [Server thread/INFO]: Preparing start region for level 0
[16:39:58] [Server thread/INFO]: Preparing spawn area: 22%
[16:39:59] [Server thread/INFO]: Preparing spawn area: 66%
[16:40:00] [Server thread/INFO]: Changing view distance to 8, from 10
[16:40:01] [Server thread/INFO]: ContronThePanda[local:E:8c0b133e] logged in with entity id 443 at (-99.31315832520866, 5.0, 111.03487735744692)
[16:40:01] [Server thread/INFO]: ContronThePanda joined the game
[16:40:46] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1019, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:40:48] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1021, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:40:48] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1023, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:40:48] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1025, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:40:53] [Server thread/INFO]: Saving and pausing game...
[16:40:53] [Server thread/INFO]: Saving chunks for level 'Another One'/Overworld
[16:40:53] [Server thread/INFO]: Saving chunks for level 'Another One'/Nether
[16:40:53] [Server thread/INFO]: Saving chunks for level 'Another One'/The End
[16:56:38] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1021, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:56:38] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1023, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:57:23] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1023, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:57:31] [Client thread/ERROR]: Item entity 2037 has no item?!
[16:57:31] [Client thread/ERROR]: Item entity 2037 has no item?!
[16:58:08] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1021, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:58:08] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1023, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:58:53] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1021, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:58:53] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1023, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:59:38] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1021, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[16:59:38] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1023, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[17:00:22] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1021, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[17:00:23] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1023, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[17:01:07] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1019, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[17:01:08] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1021, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[17:01:08] [File IO Thread/ERROR]: Failed to save chunk
java.lang.IndexOutOfBoundsException: Index: 1023, Size: 1019
at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList.set(Unknown Source) ~[?:1.8.0_91]
at ath.a(SourceFile:266) ~[1.10.2.jar:?]
at ath$a.close(SourceFile:241) ~[1.10.2.jar:?]
at java.util.zip.DeflaterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at java.io.FilterOutputStream.close(Unknown Source) ~[?:1.8.0_91]
at atj.b(SourceFile:148) ~[1.10.2.jar:?]
at atj.c(SourceFile:133) [1.10.2.jar:?]
at bbu.c(SourceFile:37) [1.10.2.jar:?]
at bbu.run(SourceFile:30) [1.10.2.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[17:03:05] [Server thread/INFO]: Saving and pausing game...
[17:03:05] [Server thread/INFO]: Saving chunks for level 'Another One'/Overworld
[17:03:06] [Server thread/INFO]: Saving chunks for level 'Another One'/Nether
[17:03:06] [Server thread/INFO]: Saving chunks for level 'Another One'/The End
[17:03:08] [Server thread/INFO]: Stopping server
[17:03:08] [Server thread/INFO]: Saving players
[17:03:08] [Server thread/INFO]: Saving worlds
[17:03:08] [Server thread/INFO]: Saving chunks for level 'Another One'/Overworld
[17:03:08] [Server thread/INFO]: Saving chunks for level 'Another One'/Nether
[17:03:08] [Server thread/INFO]: Saving chunks for level 'Another One'/The End
[17:03:11] [Client thread/INFO]: Stopping!
[17:03:11] [Client thread/INFO]: SoundSystem shutting down...
[17:03:11] [Client thread/WARN]: Author: Paul Lamb, www.paulscode.com
Java HotSpot(TM) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
And some more information: I dug out from the tunnel and found that the spawn chunks are still intact. The chests still had all of their items, but the items I had left in the furnace to cook have disappeared.
I'm no expert, but I've found the message "[File IO Thread/ERROR]: Failed to save chunk" popping up a lot in the output. Does that have anything to do with it?
Yes. The game cannot save the chunks for unknown reason.
Possible causes: Corrupt file system, write protected USB stick, insufficient access rights to the files, etc.
This is a technical support issue; this site is for bug reports only. We do not have the resources to provide you with technical support.
Please contact the community support, linked below.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki
Does MC-2548 describe your issue?