Recently I was playing on a multiplayer vanilla server. I came across a bizarre terrain quirk while I was underground, where it seemed as if part of an ocean had suddenly loaded in the area, which was not in the vicinity of a body of water, the wall seemed to have a perfect view of the water, but it could still register that there was a solid wall where there should be. Upon interacting with said wall the game crashed. I was greeted with the following error message
The game crashed whilst tessellating liquid in the world
Error: java.lang.ArrayIndexOutOfBoundsException: 3
When I returned to the server, the area that I had crashed in had been replaced with a completely different biome, as well at a different elevation as being above ground as well.
I got the attached crash report as well to report. From what I got from others I asked, it seems as I quote from the person I asked "that if an array held for instance 5 things then the software asked for a 6th item that did not exist"
On an additional note, I have no idea on how to replicate this issue.
From what I can get at, this might be a bug in the new world generation with oceans. Thank you in advance for looking at this report.
Description: Tesselating liquid in world
java.lang.ArrayIndexOutOfBoundsException: 3
at aye.d(SourceFile:262)
at dhg.a(SourceFile:26)
at dhg.c(SourceFile:45)
at cuk.a(SourceFile:68)
at cuj.a(SourceFile:78)
at cwj.b(SourceFile:191)
at cwf.a(SourceFile:100)
at cwf.run(SourceFile:43)
at java.lang.Thread.run(Thread.java:745)
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Different stack trace as MC-134625

Please check if that's still an issue for you in the latest 1.14 (pre-)release.
Thank you for your report!
However, this issue is a Duplicate of MC-134625.
If you have additional information, please add it to that report.
Please search before reporting, as it's likely that one exists already.
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