I can not create a new singleplayer world with my old seed 6120416361219198693 as creative mode world, with cheats on and default map setting.
After I click on create world, the message "loading world / converting world" appears and then nothing happens.
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Works for me: http://cl.ly/image/2K0J3e2X330m
I get this ArrayIndexOutOfBounds exception:
java.lang.ArrayIndexOutOfBoundsException: -1
at ye.a(SourceFile:271)
at acz.a(SourceFile:58)
at adw.a(SourceFile:24)
at aaa.a(SourceFile:29)
at aac.d(SourceFile:221)
at id.c(SourceFile:78)
at id.d(SourceFile:100)
at xe.e(SourceFile:260)
at xe.a(SourceFile:203)
at xe.c(SourceFile:216)
at xe.b(SourceFile:191)
at zr.a(SourceFile:58)
at ie.b(SourceFile:502)
at ie.a(SourceFile:471)
at xe.<init>(SourceFile:162)
at ie.<init>(SourceFile:64)
at bcb.a(SourceFile:70)
at bcb.c(SourceFile:99)
at net.minecraft.server.MinecraftServer.run(SourceFile:570)
at fp.run(SourceFile:818)
26.10.2012 22:30:53 net.minecraft.server.MinecraftServer run
SCHWERWIEGEND: Encountered an unexpected exception ArrayIndexOutOfBoundsException
java.lang.ArrayIndexOutOfBoundsException: -1
at ye.a(SourceFile:271)
at acz.a(SourceFile:58)
at adw.a(SourceFile:24)
at aaa.a(SourceFile:29)
at aac.d(SourceFile:221)
at id.c(SourceFile:78)
at id.d(SourceFile:100)
at xe.e(SourceFile:260)
at xe.a(SourceFile:203)
at xe.c(SourceFile:216)
at xe.b(SourceFile:191)
at zr.a(SourceFile:58)
at ie.b(SourceFile:502)
at ie.a(SourceFile:471)
at xe.<init>(SourceFile:162)
at ie.<init>(SourceFile:64)
at bcb.a(SourceFile:70)
at bcb.c(SourceFile:99)
at net.minecraft.server.MinecraftServer.run(SourceFile:570)
at fp.run(SourceFile:818)
26.10.2012 22:30:53 net.minecraft.server.MinecraftServer run
SCHWERWIEGEND: This crash report has been saved to: /home/den/.minecraft/crash-reports/crash-2012-10-26_22.30.53-server.txt
26.10.2012 22:30:53 net.minecraft.server.MinecraftServer k
INFO: Stopping server
26.10.2012 22:30:53 net.minecraft.server.MinecraftServer k
INFO: Saving players
26.10.2012 22:30:53 net.minecraft.server.MinecraftServer k
INFO: Saving worlds
java.lang.NullPointerException
at net.minecraft.server.MinecraftServer.k(SourceFile:543)
at bcb.k(SourceFile:219)
at net.minecraft.server.MinecraftServer.run(SourceFile:628)
at fp.run(SourceFile:818)
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f07342bfc58, pid=13041, tid=139669058254592
#
# JRE version: 6.0_24-b24
# Java VM: OpenJDK 64-Bit Server VM (20.0-b12 mixed mode linux-amd64 compressed oops)
# Derivative: IcedTea6 1.11.4
# Distribution: Ubuntu 12.04 LTS, package 6b24-1.11.4-1ubuntu0.12.04.1
# Problematic frame:
# C [libX11.so.6+0x33c58] XQueryExtension+0x28
#
# An error report file with more information is saved as:
# /home/den/hs_err_pid13041.log
#
# If you would like to submit a bug report, please include
# instructions how to reproduce the bug and visit:
# https://bugs.launchpad.net/ubuntu/+source/openjdk-6/
#
Had same issue using seed -2319318828234580951. After restaring minecraft und loading the affected world, I spawned under water, so maybe that related to the crash.
Same bug as MC-767.
I testet a bit and i can say, that it is a problem with especially this seed. Without a seed or with an other seed with the same settings it works. Also, changing game mode to survival or turning cheats off couldn't resolve the issue. Also turning cheats off and changing game mode to survival made nothing. It is a problem with the seed.