Crash on emerging from nether portal

[Sarudak]

V4.A7

Just had a crash on emerging from a nether portal.
I was able to reload and was on the overworld side of that portal. There was an abandoned village in sight.
There were no villagers to be found there.

Crash Report follows. Not sure if this might be a bug related to villager changes.

---- Minecraft Crash Report ----
// Oops.

Time: 2/18/18 8:42 AM
Description: Unexpected error

java.lang.ArrayIndexOutOfBoundsException: -1
at aba.a(WorldChunkManager.java:186)
at aay.<init>(SourceFile:29)
at aax.a(SourceFile:58)
at aax.b(SourceFile:67)
at aba.a(WorldChunkManager.java:61)
at abw.a(Chunk.java:1376)
at aab.a(World.java:132)
at aab.a(World.java:1730)
at bfq.i(EntityRenderer.java:1610)
at bfq.a(EntityRenderer.java:1104)
at bfq.b(EntityRenderer.java:998)
at net.minecraft.client.Minecraft.K(Minecraft.java:871)
at net.minecraft.client.Minecraft.run(Minecraft.java:761)
at java.lang.Thread.run(Thread.java:745)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at aba.a(WorldChunkManager.java:186)
at aay.<init>(SourceFile:29)
at aax.a(SourceFile:58)
at aax.b(SourceFile:67)
at aba.a(WorldChunkManager.java:61)
at abw.a(Chunk.java:1376)
at aab.a(World.java:132)
at aab.a(World.java:1730)
at bfq.i(EntityRenderer.java:1610)
at bfq.a(EntityRenderer.java:1104)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [bdv['sarudak'/99, l='MpServer', x=8.50, y=66.62, z=8.50]]
Chunk stats: MultiplayerChunkCache: 0
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (8,64,8), Chunk: (at 8,4,8 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 0 game time, 0 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 1 total; [bdv['sarudak'/99, l='MpServer', x=8.50, y=66.62, z=8.50]]
Retry entities: 0 total; []
Stacktrace:
at bds.a(WorldClient.java:428)
at net.minecraft.client.Minecraft.b(Minecraft.java:2459)
at net.minecraft.client.Minecraft.run(Minecraft.java:784)
at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
Minecraft Version: 1.5.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_121, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 515356304 bytes (491 MB) / 679718912 bytes (648 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
AABB Pool Size: 11829 (662424 bytes; 0 MB) allocated, 11829 (662424 bytes; 0 MB) used
Suspicious classes: FCBlockPistonExtension, FCBlockPistonMoving, FCBlockJackOLantern, ...]
IntCache: cache: 0, tcache: 18, allocated: 3, tallocated: 63
LWJGL: 2.9.0
OpenGL: GeForce GTX 1070/PCIe/SSE2 GL version 4.6.0 NVIDIA 388.13, NVIDIA Corporation
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 12 (672 bytes; 0 MB) allocated, 12 (672 bytes; 0 MB) used

[FlowerChild]

I really doubt it has anything to do with the villagers. From the stack trace it looks like it has more to do withe the color of fog present in a chunk that was being loaded :P

Will ponder it some more, but it doesn't really feel mod related.

[FlowerChild]

Went through every line of the stack trace, and best guess to me is that there was an invalid biome being rendered. A couple of questions:

-Was this chunk already generated when you exited the portal?

-Any chance it was somehow generated with a newer version of MC?

-Was this a client attached to a multiplayer server that crashed, or just a client running on its own? If the former, did the server continue to run normally?

[Sarudak]

-Was this chunk already generated when you exited the portal?
It was initial generation first time through this portal.

-Any chance it was somehow generated with a newer version of MC?
I can't see how. Only BTW has ever touched this save

-Was this a client attached to a multiplayer server that crashed, or just a client running on its own? If the former, did the server continue to run normally?
Just a client.

[FlowerChild]

Thanks for the answers man.

I can't really think of anything at present that might have caused this on my end. I'll keep it in the back of my mind though.

[FlowerChild]

Would you mind passing me the seed and overworld coordinates where you exited the portal?

Given everything you've described, if it's a mod problem related to worldgen, should be quite easy to reproduce, and at the very least I can rule out the possibility that it's something on my end.

[Sarudak]

I'm not actually sure how to get that information given you neutered the debug screen... :)

[Niyu]

I'm not actually sure how to get that information given you neutered the debug screen... :)

Enable cheats and use /loc for the coordinates. For the seed I don't remember the code, but there was also a console command.

[dawnraider]

It's just /seed for the seed. No cheats required.