[07:27:25] [Server thread/ERROR]: Encountered an unexpected exception
net.minecraft.server.v1_9_R2.ReportedException: Exception ticking world
at net.minecraft.server.v1_9_R2.MinecraftServer.D(MinecraftServer.java:792) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.DedicatedServer.D(DedicatedServer.java:399) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.MinecraftServer.C(MinecraftServer.java:665) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.MinecraftServer.run(MinecraftServer.java:564) [spigot19.jar:git-Spigot-798f32d-0cd0397]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
Caused by: java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList$Itr.next(Unknown Source) ~[?:1.8.0_91]
at net.minecraft.server.v1_9_R2.World.a(World.java:2549) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.SpawnerCreature.a(SpawnerCreature.java:120) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.WorldServer.doTick(WorldServer.java:227) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.MinecraftServer.D(MinecraftServer.java:781) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
... 4 more
[07:27:25] [Server thread/ERROR]: Cause of unexpected exception was
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_91]
at java.util.ArrayList$Itr.next(Unknown Source) ~[?:1.8.0_91]
at net.minecraft.server.v1_9_R2.World.a(World.java:2549) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.SpawnerCreature.a(SpawnerCreature.java:120) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.WorldServer.doTick(WorldServer.java:227) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.MinecraftServer.D(MinecraftServer.java:781) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.DedicatedServer.D(DedicatedServer.java:399) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.MinecraftServer.C(MinecraftServer.java:665) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
at net.minecraft.server.v1_9_R2.MinecraftServer.run(MinecraftServer.java:564) [spigot19.jar:git-Spigot-798f32d-0cd0397]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
at net.minecraft.server.v1_9_R2.World.a(World.java:2549) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
明るさのチェックしてるとこ
at net.minecraft.server.v1_9_R2.WorldServer.doTick(WorldServer.java:227) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
ワールド内の時間進めてるメソッド内(村に関する処理?)
at net.minecraft.server.v1_9_R2.MinecraftServer.D(MinecraftServer.java:781) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
Entityのアップデートをするところの例外をキャッチしてる
at net.minecraft.server.v1_9_R2.DedicatedServer.D(DedicatedServer.java:399) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
↑のメソッドを呼んでる
at net.minecraft.server.v1_9_R2.MinecraftServer.C(MinecraftServer.java:665) ~[spigot19.jar:git-Spigot-798f32d-0cd0397]
System.Exit(0); =強制終了してる
at net.minecraft.server.v1_9_R2.MinecraftServer.run(MinecraftServer.java:564) [spigot19.jar:git-Spigot-798f32d-0cd0397]
this.serverIsRunning = true;と書き換えてる