16:31:21 [WARNING] [Server]    at java.util.ArrayList.batchRemove(Unknown Source)
16:31:21 [WARNING] [Server]    at java.util.ArrayList.removeAll(Unknown Source)
16:31:21 [WARNING] [Server]    at net.minecraft.server.World.tickEntities(World.java:1113)
16:31:21 [WARNING] [Server]    at net.minecraft.server.WorldServer.tickEntities(WorldServer.java:439)
16:31:21 [WARNING] [Server]    at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:566)
16:31:21 [WARNING] [Server]    at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215)
16:31:33 [WARNING] [Server] The main thread is still stuck, current loop line is:
16:31:33 [WARNING] [Server]    at java.util.ArrayList.indexOf(Unknown Source)
16:32:07 [WARNING] [Server] The main thread is still stuck, current loop line is:
16:32:07 [WARNING] [Server]    at net.minecraft.server.WorldServer.tickEntities(WorldServer

---------------------

15:49:45 [WARNING] [Server] The main thread failed to respond after 10 seconds
15:49:45 [WARNING] [Server] What follows is the stack trace of the main thread
15:49:45 [WARNING] [Server]    at java.util.ArrayList.indexOf(Unknown Source)
15:49:45 [WARNING] [Server]    at java.util.ArrayList.contains(Unknown Source)
15:49:45 [WARNING] [Server]    at java.util.ArrayList.batchRemove(Unknown Source)
15:49:45 [WARNING] [Server]    at java.util.ArrayList.removeAll(Unknown Source)
15:49:45 [WARNING] [Server]    at net.minecraft.server.World.tickEntities(World.java:1113)
15:49:45 [WARNING] [Server]    at net.minecraft.server.WorldServer.tickEntities(WorldServer.java:439)
15:49:45 [WARNING] [Server]    at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:557)
15:49:45 [WARNING] [Server]    at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215)
15:49:56 [INFO] Connection reset
15:49:57 [WARNING] [Server] The main thread is still stuck, current loop line is:
15:49:57 [WARNING] [Server]    at java.util.ArrayList.indexOf(Unknown Source)

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