[MC-124972] Game crashes during the loading world, when creating a superflat world with oceanmonument tag

The bug

Game crashes during the loading world, when creating a superflat world with oceanmonument tag.

minecraft:bedrock,10*minecraft:water;24;oceanmonument

Crash report

18w20c\: [^crash-2018-05-19_12.23.43-server.txt]

Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
	at bbx.a(SourceFile:479)
	at bqx.g(SourceFile:85)
	at bqx.<init>(SourceFile:60)
	at bpk$$Lambda$873/394312725.create(Unknown Source)
	at bpk.create(SourceFile:50)
	at bqn.n(SourceFile:81)
	at sk.p(SourceFile:598)
	at sk.<init>(SourceFile:131)
	at dhr.a(SourceFile:97)
	at dhr.d(SourceFile:132)
	at net.minecraft.server.MinecraftServer.run(SourceFile:502)
	at java.lang.Thread.run(Thread.java:745)

18w21a

Description: Exception in server tick loop
java.lang.NullPointerException: Exception in server tick loop
	at bby.a(SourceFile:479)
	at brn.g(SourceFile:85)
	at brn.<init>(SourceFile:60)
	at bqa$$Lambda$917/502381892.create(Unknown Source)
	at bqa.create(SourceFile:50)
	at brd.n(SourceFile:81)
	at sk.p(SourceFile:598)
	at sk.<init>(SourceFile:131)
	at dii.a(SourceFile:97)
	at dii.d(SourceFile:132)
	at net.minecraft.server.MinecraftServer.run(SourceFile:502)
	at java.lang.Thread.run(Thread.java:745)

18w22b

Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
	at bca.a(SourceFile:479)
	at brp.g(SourceFile:85)
	at brp.<init>(SourceFile:60)
	at bqc.create(SourceFile:50)
	at brf.n(SourceFile:81)
	at sm.p(SourceFile:598)
	at sm.<init>(SourceFile:131)
	at dik.a(SourceFile:97)
	at dik.d(SourceFile:132)
	at net.minecraft.server.MinecraftServer.run(SourceFile:501)
	at java.lang.Thread.run(Unknown Source)

Linked issues

is duplicated by 22

MC-9144 Wierd Lines and block light-up on breaking Resolved

MC-125555 Worlds created using the preset "Water World" can't be loaded Resolved

MC-125558 Server looping tick crash Resolved

MC-125838 Water World Resolved

MC-126197 Client alway dead after create flat world water preset Resolved

17 more links

relates to 1

MC-124903 Random crash in snow biomes: java.lang.NullPointerException: Exception ticking world Resolved

Attachments

crash-2018-05-19_12.23.43-server.txt

crash-2018-05-31_06.02.28-server.txt

Comments 6

Stefan Bornewasser 2018-03-14T17:22:25Z

confirmed for 18w11a

---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 14.03.18 11:26
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
	at auy.a(SourceFile:431)
	at bji.e(SourceFile:60)
	at bji.<init>(SourceFile:46)
	at biy.o(SourceFile:46)
	at se.o(SourceFile:719)
	at se.<init>(SourceFile:127)
	at czd.a(SourceFile:96)
	at czd.d(SourceFile:131)
	at net.minecraft.server.MinecraftServer.run(SourceFile:502)
	at java.lang.Thread.run(Thread.java:745)


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

-- System Details --
Details:
	Minecraft Version: 18w11a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 146726272 bytes (139 MB) / 268435456 bytes (256 MB) up to 1073741824 bytes (1024 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	Profiler Position: N/A (disabled)
	Player Count: 0 / 8; []
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.

Tyler Masci 2018-03-16T13:41:36Z

comfirmed for me

hayden jondreau 2018-04-14T22:44:57Z

World Doesn't load regardless of ocean monument tag for me, any world with "water" in the preset doesnt load the game properly.

Stefan Bornewasser 2018-04-23T17:23:55Z

confirmed for 18w16a

---- Minecraft Crash Report ----
// Why is it breaking :(

Time: 23.04.18 19:05
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
	at avq.a(SourceFile:477)
	at bkm.f(SourceFile:85)
	at bkm.<init>(SourceFile:60)
	at bja$$Lambda$406/2114223493.create(Unknown Source)
	at bja.create(SourceFile:50)
	at bkc.n(SourceFile:69)
	at sh.p(SourceFile:590)
	at sh.<init>(SourceFile:127)
	at dbc.a(SourceFile:97)
	at dbc.d(SourceFile:132)
	at net.minecraft.server.MinecraftServer.run(SourceFile:504)
	at java.lang.Thread.run(Thread.java:745)


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

-- System Details --
Details:
	Minecraft Version: 18w16a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 156926408 bytes (149 MB) / 318767104 bytes (304 MB) up to 1073741824 bytes (1024 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	Profiler Position: N/A (disabled)
	Player Count: 0 / 8; []
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.

Meri Diana 2018-05-31T04:14:38Z

Confirmed for 18w22b.

Greg Milson 2018-06-01T13:33:02Z

Affects 18w22c