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[Bug]: Server crash in Minecraft Dig when sent the Xray powerup #4

@Calebri

Description

@Calebri

What happened?

Had this happen a few times in a multiworld I ran today. It didn't happen every time, but most of the time when I god the Xray powerup it would crash the server and the shulkers would not go away. This happened on my instance and a friend who I was playing with's instance.

Discord Username

calebri

Apworld type

  • Main
  • Dig

Apworld generation version

0.6.6

Archipelago generation version

0.6.6

Apworld version

0.0.10

Archipelago version

0.6.6

Program

Minecraft Server

Relevant log output

[15Mar2026 23:00:40.044] [Server thread/INFO] [gg.archipelago.aprandomizer.managers.FossilManager/]: Fossil collected at BlockPos{x=2, y=-39, z=11} by Calebri. New balance: 1093
[15Mar2026 23:00:40.129] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:00:40.129] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:00:40.129] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:00:40.129] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:00:45.795] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Calebri found a fossil! Balance: 1094
[15Mar2026 23:00:45.796] [Server thread/INFO] [gg.archipelago.aprandomizer.managers.FossilManager/]: Fossil collected at BlockPos{x=0, y=-41, z=4} by Calebri. New balance: 1094
[15Mar2026 23:00:45.889] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:00:45.890] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:00:45.891] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:00:45.891] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:00:50.896] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Calebri found a fossil! Balance: 1095
[15Mar2026 23:00:50.896] [Server thread/INFO] [gg.archipelago.aprandomizer.managers.FossilManager/]: Fossil collected at BlockPos{x=3, y=-42, z=1} by Calebri. New balance: 1095
[15Mar2026 23:00:50.995] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:00:50.995] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:00:50.996] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:00:50.996] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:00:53.447] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Calebri found a fossil! Balance: 1096
[15Mar2026 23:00:53.449] [Server thread/INFO] [gg.archipelago.aprandomizer.managers.FossilManager/]: Fossil collected at BlockPos{x=7, y=-41, z=2} by Calebri. New balance: 1096
[15Mar2026 23:00:53.546] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:00:53.546] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:00:53.546] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:00:53.547] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:00:56.593] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Calebri found a fossil! Balance: 1097
[15Mar2026 23:00:56.594] [Server thread/INFO] [gg.archipelago.aprandomizer.managers.FossilManager/]: Fossil collected at BlockPos{x=11, y=-42, z=1} by Calebri. New balance: 1097
[15Mar2026 23:00:56.688] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:00:56.688] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:00:56.688] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:00:56.688] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:01:00.894] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Calebri found a fossil! Balance: 1098
[15Mar2026 23:01:00.894] [Server thread/INFO] [gg.archipelago.aprandomizer.managers.FossilManager/]: Fossil collected at BlockPos{x=9, y=-42, z=6} by Calebri. New balance: 1098
[15Mar2026 23:01:00.977] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:01:00.977] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:01:00.978] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:01:00.978] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:01:05.443] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Calebri found a fossil! Balance: 1099
[15Mar2026 23:01:05.444] [Server thread/INFO] [gg.archipelago.aprandomizer.managers.FossilManager/]: Fossil collected at BlockPos{x=7, y=-39, z=7} by Calebri. New balance: 1099
[15Mar2026 23:01:05.521] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:01:05.522] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:01:05.522] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:01:05.522] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:01:05.632] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Caleb sent Increased Gravity to Josh (Chunk 0 Layer -39)
[15Mar2026 23:01:08.851] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Caleb sent Meteor Shower to Josh (Chunk 0 Layer -37)
[15Mar2026 23:01:09.395] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Calebri found a fossil! Balance: 1100
[15Mar2026 23:01:09.395] [Server thread/INFO] [gg.archipelago.aprandomizer.managers.FossilManager/]: Fossil collected at BlockPos{x=12, y=-41, z=6} by Calebri. New balance: 1100
[15Mar2026 23:01:09.485] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:01:09.485] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:01:09.485] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:01:09.485] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:01:10.245] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Calebri found a fossil! Balance: 1101
[15Mar2026 23:01:10.245] [Server thread/INFO] [gg.archipelago.aprandomizer.managers.FossilManager/]: Fossil collected at BlockPos{x=14, y=-41, z=4} by Calebri. New balance: 1101
[15Mar2026 23:01:10.330] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:01:10.330] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:01:10.330] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:01:10.330] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:01:12.593] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Calebri found a fossil! Balance: 1102
[15Mar2026 23:01:12.594] [Server thread/INFO] [gg.archipelago.aprandomizer.managers.FossilManager/]: Fossil collected at BlockPos{x=15, y=-40, z=5} by Calebri. New balance: 1102
[15Mar2026 23:01:12.681] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:01:12.681] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:01:12.681] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:01:12.681] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:01:20.922] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Verstera found their Progressive Shop (Chunk 0 Layer -48)
[15Mar2026 23:01:21.249] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Verstera sent Fossil Xray to Caleb (Chunk 0 Layer -49)
[15Mar2026 23:01:21.408] [WebSocketConnectReadThread-62/INFO] [gg.archipelago.aprandomizer.managers.FossilManager/]: Fossil X-ray activated, spawned 180 shulkers
[15Mar2026 23:01:21.501] [Server thread/ERROR] [net.minecraft.server.MinecraftServer/]: Encountered an unexpected exception
net.minecraft.ReportedException: Ticking entity
	at net.minecraft.server.MinecraftServer.m_5703_(MinecraftServer.java:900) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.server.dedicated.DedicatedServer.m_5703_(DedicatedServer.java:284) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.server.MinecraftServer.m_5705_(MinecraftServer.java:817) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:664) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.server.MinecraftServer.m_206580_(MinecraftServer.java:252) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at java.lang.Thread.run(Thread.java:840) ~[?:?]
Caused by: java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1013) ~[?:?]
	at java.util.ArrayList$Itr.next(ArrayList.java:967) ~[?:?]
	at com.google.common.collect.Iterators$1.next(Iterators.java:146) ~[guava-31.1-jre.jar%2374!/:?]
	at net.minecraft.world.level.entity.EntitySection.m_260830_(EntitySection.java:33) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.level.entity.EntitySectionStorage.m_260794_(EntitySectionStorage.java:122) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.level.entity.EntitySectionStorage.m_188362_(EntitySectionStorage.java:65) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.level.entity.EntitySectionStorage.m_261111_(EntitySectionStorage.java:122) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.level.entity.LevelEntityGetterAdapter.m_142232_(LevelEntityGetterAdapter.java:43) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.level.Level.m_6249_(Level.java:647) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.entity.LivingEntity.m_6138_(LivingEntity.java:2643) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.entity.LivingEntity.m_8107_(LivingEntity.java:2592) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.entity.Mob.m_8107_(Mob.java:532) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.entity.LivingEntity.m_8119_(LivingEntity.java:2267) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.entity.Mob.m_8119_(Mob.java:333) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.entity.monster.Shulker.m_8119_(Shulker.java:161) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.server.level.ServerLevel.m_8647_(ServerLevel.java:671) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.level.Level.m_46653_(Level.java:485) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.server.level.ServerLevel.m_184063_(ServerLevel.java:325) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.world.level.entity.EntityTickList.m_156910_(EntityTickList.java:54) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.server.level.ServerLevel.m_8793_(ServerLevel.java:305) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	at net.minecraft.server.MinecraftServer.m_5703_(MinecraftServer.java:896) ~[server-1.19.4-20230314.122934-srg.jar%23101!/:?]
	... 5 more
[15Mar2026 23:01:21.549] [Server thread/FATAL] [net.minecraftforge.common.ForgeMod/]: Preparing crash report with UUID 8e075754-7fdd-4f2f-aa62-ffde47bb7c2e
[15Mar2026 23:01:21.550] [Server thread/ERROR] [net.minecraft.server.MinecraftServer/]: This crash report has been saved to: /home/deck/Desktop/Archipelago/Minecraft Dig Forge server/./crash-reports/crash-2026-03-15_23.01.21-server.txt
[15Mar2026 23:01:21.551] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Stopping server
[15Mar2026 23:01:21.553] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Saving players
[15Mar2026 23:01:21.559] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Saving worlds
[15Mar2026 23:01:22.266] [WebSocketConnectReadThread-62/INFO] [net.minecraft.server.MinecraftServer/]: Verstera found their Progressive Efficiency (Chunk 0 Layer -47)
[15Mar2026 23:01:22.564] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: [Archipelago] Fossil X-ray received! Look for glowing outlines nearby!
[15Mar2026 23:01:31.042] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:01:31.042] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:01:31.042] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:01:31.042] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:01:31.043] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Saving chunks for level 'ServerLevel[Archipelago-70265732518871180318-P1]'/minecraft:overworld
[15Mar2026 23:01:31.065] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Saving chunks for level 'ServerLevel[Archipelago-70265732518871180318-P1]'/minecraft:the_end
[15Mar2026 23:01:31.067] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Saving chunks for level 'ServerLevel[Archipelago-70265732518871180318-P1]'/minecraft:the_nether
[15Mar2026 23:01:31.087] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (Archipelago-70265732518871180318-P1): All chunks are saved
[15Mar2026 23:01:31.088] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[15Mar2026 23:01:31.088] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[15Mar2026 23:01:31.088] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: ThreadedAnvilChunkStorage: All dimensions are saved
[15Mar2026 23:01:31.267] [WebSocketConnectReadThread-62/INFO] [net.minecraft.server.MinecraftServer/]: (AP-284) Disconnected.
[15Mar2026 23:01:31.268] [WebSocketConnectReadThread-62/INFO] [net.minecraft.server.MinecraftServer/]: (AP-308) Connection refused by the Archipelago server.

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