Paper: Entity is still in another ChunkSection Issues

Created on 4 Aug 2018  路  53Comments  路  Source: PaperMC/Paper

We added debug to Chunk registration to detect when an entity has been added to a chunk but hasn't been unregistered from its previous chunk.
This is a sign that the entity would be duplicated as it lives in 2 chunks.

I am unsure cause of this as I can not reproduce it without plugins (nor do I know of any plugin that triggers it) but I do not believe its related to #1223, so opening its own ticket.

Ultimately, for any server owner seeing this, note that this message means paper 'saved' you from the duplicate risk.

But need to figure out
A) is there a bug that shouldnt be happening due to Papers changes
B) can we fix things to not ever trigger this

This has mainly been seen with teleportTo, so likely with portal transfers.

[03:45:42] [Server thread/WARN]: EntityItem['item.item.rottenFlesh'/567148, uuid='c856b7a9-0768-424d-90f6-d4d3d2419053', l='world_nether', x=-15842.26, y=44.00, z=-8940.50, cx=-991, cd=-559, tl=13, v=false, d=false] is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1223
[03:45:42] [Server thread/WARN]: EntityItem['item.item.rottenFlesh'/567148, uuid='c856b7a9-0768-424d-90f6-d4d3d2419053', l='world_nether', x=-15842.26, y=44.00, z=-8940.50, cx=-991, cd=-559, tl=13, v=false, d=false] was in another chunk at that! -992,-559
[03:45:42] [Server thread/WARN]: java.lang.Throwable
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Chunk.a(Chunk.java:705)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.entityJoinedWorld(World.java:1830)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerList.repositionEntity(PlayerList.java:1023)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.teleportTo(Entity.java:2510)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.b(Entity.java:2453)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.EntityItem.b(EntityItem.java:417)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.postTick(Entity.java:382)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.entityJoinedWorld(World.java:1793)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.h(World.java:1762)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.tickEntities(World.java:1569)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.WorldServer.tickEntities(WorldServer.java:683)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:920)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:773)
[03:45:42] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665)
[03:45:42] [Server thread/WARN]:    at java.lang.Thread.run(Thread.java:748)
help wanted accepted input wanted bug we must go deeper

Most helpful comment

Ok please hold off on new reports of this, appears there is a false positive on that log with chunk loads. I will fix in a few hours.

All 53 comments

found issue to be a mistake on my part in entity fixes, fixed in 1533 (1.12) and 90 (1.13)

Reopening as I think something with vehicles may still be off

Copying comment from @mibby:

@aikar Noticed this error when a player was using Essential's /top command to teleport to the upwards most top position.

Paper dev 1539 (Spigot 1.12.2)
EssentialsX dev 630 (2.15.0.18)

[07:56:23] [Server thread/INFO]: player issued server command: //sphere stone 25
[07:56:24] [Craft Scheduler Thread - 1388/INFO]: WorldEdit: player (in "spawn"): /sphere stone 25 - Position: (890, 70, 623)
[07:56:24] [Server thread/INFO]: player issued server command: /top
[07:56:24] [Server thread/WARN]: EntityPlayer['player '/2881555, uuid='291c2d6e-a25d-4179-a11e-3011f9a97b2b', l='spawn', x=890.50, y=96.00, z=623.50, cx=55, cd=38, tl=103000914, v=true, d=false](player at 890.5,96.0,623.5) is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1223
[07:56:24] [Server thread/WARN]: java.lang.Throwable
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Chunk.a(Chunk.java:705)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.entityJoinedWorld(World.java:1832)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.setPosition(Entity.java:344)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.setLocation(Entity.java:1312)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.internalTeleport(PlayerConnection.java:837)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.teleport(PlayerConnection.java:794)
[07:56:24] [Server thread/WARN]:    at net.aufdemrand.denizen.nms.impl.packets.handlers.AbstractListenerPlayIn_v1_12_R1.teleport(AbstractListenerPlayIn_v1_12_R1.java:61)
[07:56:24] [Server thread/WARN]:    at org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer.teleport(CraftPlayer.java:652)
[07:56:24] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.now(Teleport.java:139)
[07:56:24] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.teleport(Teleport.java:198)
[07:56:24] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.teleport(Teleport.java:154)
[07:56:24] [Server thread/WARN]:    at com.earth2me.essentials.commands.Commandtop.run(Commandtop.java:25)
[07:56:24] [Server thread/WARN]:    at com.earth2me.essentials.commands.EssentialsCommand.run(EssentialsCommand.java:157)
[07:56:24] [Server thread/WARN]:    at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:522)
[07:56:24] [Server thread/WARN]:    at com.earth2me.essentials.Essentials.onCommand(Essentials.java:435)
[07:56:24] [Server thread/WARN]:    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
[07:56:24] [Server thread/WARN]:    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:151)
[07:56:24] [Server thread/WARN]:    at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:685)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1475)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1280)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:5)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14)
[07:56:24] [Server thread/WARN]:    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[07:56:24] [Server thread/WARN]:    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:849)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:773)
[07:56:24] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665)
[07:56:24] [Server thread/WARN]:    at java.lang.Thread.run(Thread.java:748)
[07:56:35] [Server thread/INFO]: player issued server command: //sphere stone 25
[07:56:35] [Craft Scheduler Thread - 1391/INFO]: WorldEdit: player (in "spawn"): /sphere stone 25 - Position: (890, 43, 622)
[07:56:36] [Server thread/INFO]: player issued server command: /top
[07:56:36] [Server thread/WARN]: EntityPlayer['player'/2881555, uuid='291c2d6e-a25d-4179-a11e-3011f9a97b2b', l='spawn', x=890.50, y=96.00, z=622.50, cx=55, cd=38, tl=103001157, v=true, d=false](player at 890.5,96.0,622.5) is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1223
[07:56:36] [Server thread/WARN]: java.lang.Throwable
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Chunk.a(Chunk.java:705)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.entityJoinedWorld(World.java:1832)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.setPosition(Entity.java:344)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.setLocation(Entity.java:1312)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.internalTeleport(PlayerConnection.java:837)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.teleport(PlayerConnection.java:794)
[07:56:36] [Server thread/WARN]:    at net.aufdemrand.denizen.nms.impl.packets.handlers.AbstractListenerPlayIn_v1_12_R1.teleport(AbstractListenerPlayIn_v1_12_R1.java:61)
[07:56:36] [Server thread/WARN]:    at org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer.teleport(CraftPlayer.java:652)
[07:56:36] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.now(Teleport.java:139)
[07:56:36] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.teleport(Teleport.java:198)
[07:56:36] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.teleport(Teleport.java:154)
[07:56:36] [Server thread/WARN]:    at com.earth2me.essentials.commands.Commandtop.run(Commandtop.java:25)
[07:56:36] [Server thread/WARN]:    at com.earth2me.essentials.commands.EssentialsCommand.run(EssentialsCommand.java:157)
[07:56:36] [Server thread/WARN]:    at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:522)
[07:56:36] [Server thread/WARN]:    at com.earth2me.essentials.Essentials.onCommand(Essentials.java:435)
[07:56:36] [Server thread/WARN]:    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
[07:56:36] [Server thread/WARN]:    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:151)
[07:56:36] [Server thread/WARN]:    at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:685)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1475)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1280)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:5)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14)
[07:56:36] [Server thread/WARN]:    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[07:56:36] [Server thread/WARN]:    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:849)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:773)
[07:56:36] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665)
[07:56:36] [Server thread/WARN]:    at java.lang.Thread.run(Thread.java:748)
[07:56:47] [Server thread/INFO]: player issued server command: //sphere stone 25
[07:56:47] [Craft Scheduler Thread - 1383/INFO]: WorldEdit: player (in "spawn"): /sphere stone 25 - Position: (890, 16, 620)
[07:56:48] [Server thread/INFO]: player issued server command: /top
[07:56:48] [Server thread/WARN]: EntityPlayer['player'/2881555, uuid='291c2d6e-a25d-4179-a11e-3011f9a97b2b', l='spawn', x=890.50, y=96.00, z=620.50, cx=55, cd=38, tl=103001395, v=true, d=false](player at 890.5,96.0,620.5) is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1223
[07:56:48] [Server thread/WARN]: java.lang.Throwable
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Chunk.a(Chunk.java:705)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.entityJoinedWorld(World.java:1832)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.setPosition(Entity.java:344)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.setLocation(Entity.java:1312)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.internalTeleport(PlayerConnection.java:837)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.teleport(PlayerConnection.java:794)
[07:56:48] [Server thread/WARN]:    at net.aufdemrand.denizen.nms.impl.packets.handlers.AbstractListenerPlayIn_v1_12_R1.teleport(AbstractListenerPlayIn_v1_12_R1.java:61)
[07:56:48] [Server thread/WARN]:    at org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer.teleport(CraftPlayer.java:652)
[07:56:48] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.now(Teleport.java:139)
[07:56:48] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.teleport(Teleport.java:198)
[07:56:48] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.teleport(Teleport.java:154)
[07:56:48] [Server thread/WARN]:    at com.earth2me.essentials.commands.Commandtop.run(Commandtop.java:25)
[07:56:48] [Server thread/WARN]:    at com.earth2me.essentials.commands.EssentialsCommand.run(EssentialsCommand.java:157)
[07:56:48] [Server thread/WARN]:    at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:522)
[07:56:48] [Server thread/WARN]:    at com.earth2me.essentials.Essentials.onCommand(Essentials.java:435)
[07:56:48] [Server thread/WARN]:    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
[07:56:48] [Server thread/WARN]:    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:151)
[07:56:48] [Server thread/WARN]:    at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:685)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1475)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1280)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:5)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14)
[07:56:48] [Server thread/WARN]:    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[07:56:48] [Server thread/WARN]:    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:849)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:773)
[07:56:48] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665)
[07:56:48] [Server thread/WARN]:    at java.lang.Thread.run(Thread.java:748)
[07:57:01] [Server thread/INFO]: player issued server command: //sphere stone 15

Paper dev 1547 (Spigot 1.12.2)
PlotSquared dev 631 (Bukkit-18.08.12-4b8c434-2035)
FastAsyncWorldEdit dev 1174 (bukkit-18.08.18-39ef1d7-1185-21.1.2)

Another instance of duplicate players. This time occurring whenever someone clears their PlotSquared plot.

[01:58:06] [Server thread/INFO]: Mr_Bullet issued server command: /plot clear
[01:58:08] [Server thread/INFO]: Mr_Bullet issued server command: /plot confirm
[01:58:08] [Server thread/INFO]: (FAWE) Having `parallel-threads` > 1 interferes with the timings.
[01:58:10] [Server thread/WARN]: EntityPlayer['Mr_Bullet'/1381449, uuid='18cd8997-f161-437d-91c8-7bce64a64ea2', l='build1', x=-608.35, y=83.75, z=-508.19, cx=-39, cd=-32, tl=13632419, v=true, d=false](Mr_Bullet at -608.3482150230061,83.75061483615866,-508.1883158448097) is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1223
[01:58:10] [Server thread/WARN]: EntityPlayer['Mr_Bullet'/1381449, uuid='18cd8997-f161-437d-91c8-7bce64a64ea2', l='build1', x=-608.35, y=83.75, z=-508.19, cx=-39, cd=-32, tl=13632419, v=true, d=false](Mr_Bullet at -608.3482150230061,83.75061483615866,-508.1883158448097) was in another chunk at that! -38,-32
[01:58:10] [Server thread/WARN]: java.lang.Throwable
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Chunk.a(Chunk.java:705)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.entityJoinedWorld(World.java:1832)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.recalcPosition(Entity.java:990)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.move(Entity.java:846)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:628)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInFlying.a(SourceFile:126)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInFlying$PacketPlayInPositionLook.a(SourceFile:18)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14)
[01:58:10] [Server thread/WARN]:    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[01:58:10] [Server thread/WARN]:    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774)
[01:58:10] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666)
[01:58:10] [Server thread/WARN]:    at java.lang.Thread.run(Thread.java:748)

[02:04:09] [Server thread/INFO]: Mr_Bullet issued server command: /plot clear
[02:04:11] [Server thread/INFO]: Mr_Bullet issued server command: /plot confirm
[02:04:12] [Server thread/WARN]: EntityPlayer['Mr_Bullet'/1381449, uuid='18cd8997-f161-437d-91c8-7bce64a64ea2', l='build1', x=-624.37, y=74.02, z=-506.50, cx=-40, cd=-32, tl=13639675, v=true, d=false](Mr_Bullet at -624.3652363354345,74.02421072241441,-506.4952093001268) is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1223
[02:04:12] [Server thread/WARN]: EntityPlayer['Mr_Bullet'/1381449, uuid='18cd8997-f161-437d-91c8-7bce64a64ea2', l='build1', x=-624.37, y=74.02, z=-506.50, cx=-40, cd=-32, tl=13639675, v=true, d=false](Mr_Bullet at -624.3652363354345,74.02421072241441,-506.4952093001268) was in another chunk at that! -39,-32
[02:04:12] [Server thread/WARN]: java.lang.Throwable
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Chunk.a(Chunk.java:705)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.entityJoinedWorld(World.java:1832)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.recalcPosition(Entity.java:990)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Entity.move(Entity.java:846)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:628)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInFlying.a(SourceFile:126)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInFlying$PacketPlayInPosition.a(SourceFile:57)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14)
[02:04:12] [Server thread/WARN]:    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[02:04:12] [Server thread/WARN]:    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774)
[02:04:12] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666)
[02:04:12] [Server thread/WARN]:    at java.lang.Thread.run(Thread.java:748)

@mibby that case is a bug in PlotSquared, please report it to them: https://github.com/IntellectualSites/PlotSquared/blob/77281017d4a6e597244cb563be6f16279cd7c939/Bukkit/src/main/java/com/plotsquared/bukkit/util/BukkitChunkManager.java#L692
They forgot to exclude removing players in this code.

Will do. Is the Essentials /top duplication error a problem within that plugin too?

I don't know why you keep saying duplicate, are you seeing duplicate entities when this is triggered? This error message is about undesirable server state (that has risk of leading to duplication outside of Paper), but the error message is informing you it has recovered from the issue.

I don't know what's triggering it on teleports yet. I'm still looking into that one.

Hmm actually I think my prognosis is wrong on PlotSquared, I still think it's an issue with their code, but not the original thing I said. I'll respond on the issue you filed.

@mibby I've traced the source to be down to FAWE....
Trying to figure out what in the world it's doing now

Note before each of those, they did //sphere. FAWE messes with entities that are inside of a WorldEdit Operation.

I've filed issue https://github.com/boy0001/FastAsyncWorldedit/issues/1083 for FAWE.

There's nothing you or I can do about it @mibby until FAWE fixes it.

Actually in this case the message is a false positive about what's going on.

While FAWE has some questionable code thats causing entities to be removed that shouldn't be, causing corruption of state, I can at least make this error message go away.

Latest 1.12 and 1.13 builds will no longer print this warning in the case of what FAWE is doing.

I don't know why you keep saying duplicate, are you seeing duplicate entities when this is triggered?

I am not. I'm under the assumption that the plugin interaction was doing something that _would_ constitute as duplicating the entity, but Paper prevents it, recovers, and outputs the error. It reads the player twice in another chunk location, hence duplication.

Note before each of those, they did //sphere. FAWE messes with entities that are inside of a WorldEdit Operation.

I'll keep an eye on the FAWE and PlotSquared tickets in any case. If the plugins are doing an operation that is considered destructive, it should probably be fixed by @boy0001. _However_, unless FAWE/PS is corrupting the player entity after they do an operation, I've had this error occur outside of using worldedit commands - mainly to do with Essentials' teleporting events.

i.e.

[14:16:56] [Server thread/INFO]: player issued server command: /warp projects
[14:16:56] [Server thread/WARN]: EntityPlayer['player'/1394608, uuid='4aa3f740-6a54-4e75-be90-85105fafb39e', l='spawn', x=-92.50, y=63.00, z=35.50, cx=-6, cd=2, tl=140084655, v=false, d=false](player at -92.5,63.0,35.5) is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1223
[14:16:56] [Server thread/WARN]: EntityPlayer['player'/1394608, uuid='4aa3f740-6a54-4e75-be90-85105fafb39e', l='spawn', x=-92.50, y=63.00, z=35.50, cx=-6, cd=2, tl=140084655, v=false, d=false](player at -92.5,63.0,35.5) was in another chunk at that! -31,-36
[14:16:56] [Server thread/WARN]: java.lang.Throwable
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Chunk.a(Chunk.java:705)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.addEntity(World.java:1206)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.WorldServer.addEntity(WorldServer.java:1146)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.addEntity(World.java:1112)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerList.moveToWorld(PlayerList.java:729)
[14:16:56] [Server thread/WARN]:    at org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer.teleport(CraftPlayer.java:655)
[14:16:56] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.now(Teleport.java:127)
[14:16:56] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.teleport(Teleport.java:198)
[14:16:56] [Server thread/WARN]:    at com.earth2me.essentials.Teleport.warp(Teleport.java:255)
[14:16:56] [Server thread/WARN]:    at com.earth2me.essentials.commands.Commandwarp.warpUser(Commandwarp.java:112)
[14:16:56] [Server thread/WARN]:    at com.earth2me.essentials.commands.Commandwarp.run(Commandwarp.java:47)
[14:16:56] [Server thread/WARN]:    at com.earth2me.essentials.commands.EssentialsCommand.run(EssentialsCommand.java:157)
[14:16:56] [Server thread/WARN]:    at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:522)
[14:16:56] [Server thread/WARN]:    at com.earth2me.essentials.Essentials.onCommand(Essentials.java:435)
[14:16:56] [Server thread/WARN]:    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
[14:16:56] [Server thread/WARN]:    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:151)
[14:16:56] [Server thread/WARN]:    at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:685)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1475)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1280)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:5)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14)
[14:16:56] [Server thread/WARN]:    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[14:16:56] [Server thread/WARN]:    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774)
[14:16:56] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666)
[14:16:56] [Server thread/WARN]:    at java.lang.Thread.run(Thread.java:748)
md5-50a8dcc440797430f4002f90d17a95c1



But it is possible it could be entirely related to FAWE/PlotSquared. Every time the error has occurred, it is either due to someone clearing their PlotSquared plot _or_ they are someone who has access to worldedit.

@mibby

In these cases, it wasn't the teleport itself that was bad, it was the state the player was left in from FAWE. IT's possible those players did a WorldEdit operation further up and delayed their /top command.

Please update to latest paper though, as it may resolve all the issues for you.

After updating to latest server build #1549 found this big list of WARNS in console

https://pastebin.com/pqVw6pWL

Here we go @aikar

https://hasteb.in/eticeleb.yaml
The messages (EntityNameable['Welcome To Tutorials'/35413...) occurring in the stack trace are from this (https://www.spigotmc.org/resources/holograms.4924/) hologram plugin I'm using.
Paper build number 1548

How to Fix?

@RandalZ15 For future reference can you please put these ERRORS/WARNS on pastebin (https://pastebin.com/) or hastebin (https://hastebin.com/) instead, just so the issue pages don't get cluttered and makes it easier to read and source particular info for aikar and others so they don't have to keep scrolling down/up all the time etc plus it saves time

EDIT - I'm sure it will be fixed in future updates Randal nothing we can do to fix it for now, just use the prior version that didn't have the warns for now until then if it bothers u

Hof to Fix??

Hi, after update to paperclip 1.13 - b157 i have this:

https://pastebin.com/9sA0E7sk

with paperclip 1.13 b 155 i don't have this errors

minecraft7net, Thanks)

Running: https://destroystokyo.com/ci/job/Paper-1.13/157/

Triggered by dropping items through an ender portal:

20.08 14:24:04 [Server] WARN EntityItem['Feather'/1378, uuid='c1e1bafa-a65a-4127-b491-082d21ad96d2', l='world_nether', x=-305.00, y=77.00, z=-238.00, cx=-2, cz=-2, tl=2, v=false, d=false] was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/issues/1302
20.08 14:24:04 [Server] WARN java.lang.Throwable
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.Chunk.a(Chunk.java:776)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.World.entityJoinedWorld(World.java:1547)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.PlayerList.repositionEntity(PlayerList.java:964)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.Entity.teleportTo(Entity.java:2641)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.Entity.d(Entity.java:2584)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.EntityItem.d(EntityItem.java:395)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.Entity.postTick(Entity.java:382)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.World.entityJoinedWorld(World.java:1515)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.World.g(World.java:1481)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.World.tickEntities(World.java:1288)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.WorldServer.tickEntities(WorldServer.java:615)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.MinecraftServer.w(MinecraftServer.java:1061)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.DedicatedServer.w(DedicatedServer.java:428)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.MinecraftServer.v(MinecraftServer.java:915)
20.08 14:24:04 [Server] WARN at net.minecraft.server.v1_13_R1.MinecraftServer.run(MinecraftServer.java:813)
20.08 14:24:04 [Server] WARN at java.lang.Thread.run(Thread.java:748)

Spamming on our server. Went into a crash because of it

[15:04:04] [Server thread/WARN]: EntityPlayer['PlayerName'/8535, uuid='6271ef21-c8bf-4450-9001-a8872f5618e9', l='Server', x=101.70, y=62.00, z=-1179.69, cx=6, cd=-74, tl=885002, v=false, d=true](PlayerName at 101.69999998807907,62.0,-1179.6902906477917) was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/issues/1302
[15:04:04] [Server thread/WARN]: java.lang.Throwable
[15:04:04] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Chunk.a(Chunk.java:758)
[15:04:04] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Chunk.b(Chunk.java:741)
[15:04:04] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.WorldServer.l(WorldServer.java:723)
[15:04:04] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.World.tickEntities(World.java:1537)
[15:04:04] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.WorldServer.tickEntities(WorldServer.java:683)
[15:04:04] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:921)
[15:04:04] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423)
[15:04:04] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774)
[15:04:04] [Server thread/WARN]:    at net.minecraft.server.v1_12_R1.Minecraf

Was told to report, so i will :P
https://f.xeya.me/f/1534791795708-WPlfL.txt

running https://destroystokyo.com/ci/job/Paper/1549/

20.08 15:25:03 [Server] WARN EntityHorseDonkey['Donkey'/1954, uuid='cbcc2faa-25ad-46f0-8369-f3649df3decd', l='world', x=3352.91, y=71.00, z=-102.34, cx=209, cd=-7, tl=22970130, v=true, d=true] was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/issues/1302
20.08 15:25:03 [Server] WARN java.lang.Throwable
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.Chunk.a(Chunk.java:758)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.Chunk.b(Chunk.java:741)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.World.removeEntity(World.java:1284)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.WorldServer.j(WorldServer.java:1197)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.WorldServer.a(WorldServer.java:1157)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.World.addChunkEntities(World.java:2747)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.Chunk.addEntities(Chunk.java:944)
20.08 15:25:03 [Server] WARN at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:53)
20.08 15:25:03 [Server] WARN at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:16)
20.08 15:25:03 [Server] WARN at org.bukkit.craftbukkit.v1_12_R1.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:337)
20.08 15:25:03 [Server] WARN at org.bukkit.craftbukkit.v1_12_R1.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:295)
20.08 15:25:03 [Server] WARN at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOExecutor.lambda$syncChunkLoad$0(ChunkIOExecutor.java:18)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.MCUtil.ensureMain(MCUtil.java:69)
20.08 15:25:03 [Server] WARN at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:18)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:164)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:147)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:143)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.World.getType(World.java:892)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.World.getBlockPower(World.java:2793)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.World.getBlockPower(World.java:2823)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.World.getBlockFacePower(World.java:2839)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.World.isBlockIndirectlyPowered(World.java:2843)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.BlockRedstoneLamp.a(BlockRedstoneLamp.java:43)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.BlockStateList$BlockData.doPhysics(SourceFile:418)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.World.a(World.java:601)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.BlockDiodeAbstract.h(BlockDiodeAbstract.java:170)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.BlockRedstoneComparator.k(SourceFile:225)
20.08 15:25:03 [Server] WARN at net.minecraft.server.v1_12_R1.BlockRedstoneComparator.b(SourceFile:235)

Ok please hold off on new reports of this, appears there is a false positive on that log with chunk loads. I will fix in a few hours.

https://hastebin.com/xeponecise.md

Don't think you need new reports, but there's mine. Thanks for your work.

New builds up for 1.12 and 1.13 thatll fix these messages printing when they shouldnt be, as well as the 'marked for removal' one.

https://paste.ubuntu.com/p/8tHvJsqzc2/
It didn't spam. That's the only appearance
Version - git-Paper-160 (MC: 1.13) (Implementing API version 1.13-R0.1-SNAPSHOT)

``` [16:40:53 WARN]: EntityItem['item.tile.obsidian'/45141449, uuid='95d7eb11-5280-4883-b2f1-8b748edadf87', l='world', x=1.50, y=116.21, z=0.53, cx=0, cd=0, tl=6, v=false, d=false] is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1302
md5-a4ca2cc76944e6315b292794023a9eda

This server is running Paper version git-Paper-1552 (MC: 1.12.2) (Implementing API version 1.12.2-R0.1-SNAPSHOT)
Previous version: git-Paper-1551 (MC: 1.12.2)
```

[00:32:37 WARN]: EntityBat['Bat'/129557, uuid='38a1c271-e60f-4f7b-ad01-aa764e96d755', l='world_nether', x=20.50, y=48.02, z=97.18, cx=1, cz=6, tl=1597, v=false, d=false] was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/issues/1302
[00:32:37 WARN]: java.lang.Throwable
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:781)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.Chunk.b(Chunk.java:765)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.Chunk.removeEntity(Chunk.java:763)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:738)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1582)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1015)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2635)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2577)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:383)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1544)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.World.g(World.java:1510)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1317)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:615)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1082)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:428)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:936)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:834)
[00:32:37 WARN]:        at java.lang.Thread.run(Thread.java:748)
[00:32:37 WARN]: java.lang.Throwable
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:742)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1582)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1015)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2635)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2577)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:383)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1544)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.World.g(World.java:1510)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1317)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:615)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1082)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:428)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:936)
[00:32:37 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:834)
[00:32:37 WARN]:        at java.lang.Thread.run(Thread.java:748)
[01:24:27 INFO]: This server is running Paper version git-Paper-199 (MC: 1.13.1) (Implementing API version 1.13.1-R0.1-SNAPSHOT)
[01:24:27 INFO]: Previous version: git-Paper-89 (MC: 1.13)

https://pastebin.com/raw/088fubF3

Today everyone who wanted to teleport to a certain world got this exception

Not sure if this is still relevant, but reporting here as instructed by the console output:

15.10 15:43:41 [Server] WARN EntityPigZombie['Zombie Pigman'/13460, uuid='68ae7eee-98b4-4091-9e89-183032ca24a2', l='world', x=-48.46, y=70.00, z=-95.50, cx=-3, cz=-6, tl=736, v=false, d=false] was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/issues/1302 15.10 15:43:41 [Server] WARN java.lang.Throwable 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:796) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1650) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1016) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2654) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2596) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:383) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1618) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.World.g(World.java:1584) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1391) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:615) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1092) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:434) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:943) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:841) 15.10 15:43:41 [Server] WARN at java.lang.Thread.run(Thread.java:748) 15.10 15:43:41 [Server] WARN EntityPigZombie['Zombie Pigman'/13460, uuid='68ae7eee-98b4-4091-9e89-183032ca24a2', l='world', x=-48.46, y=70.00, z=-95.50, cx=-4, cz=-6, tl=736, v=false, d=false] is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1302 15.10 15:43:41 [Server] WARN EntityPigZombie['Zombie Pigman'/13460, uuid='68ae7eee-98b4-4091-9e89-183032ca24a2', l='world', x=-48.46, y=70.00, z=-95.50, cx=-4, cz=-6, tl=736, v=false, d=false] was in another chunk at that! -3,-6 15.10 15:43:41 [Server] WARN java.lang.Throwable 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:757) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1656) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1016) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2654) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2596) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:383) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1618) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.World.g(World.java:1584) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1391) 15.10 15:43:41 [Server] WARN at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:615)

@aikar I updated from Paper 409 to Paper 415. I now get npc entity loading issues at start-up and whenever someone loads a chunk with npcs. Perhaps the async chunk improvements here https://github.com/PaperMC/Paper/commit/dc555f847818b5ca5dbb6e6f9d52a36a08058868 broke something?

https://paste.ubuntu.com/p/6sVBwnQnck/

Citizens dev 1590
Paper dev 415

Downgrading to Paper dev 411, no more error spam when npcs are loaded / unloaded in chunks. Definitely need to look into the async chunk improvements!

@mibby Have u tried Paper 418 I can't seem to reproduce the issue in this version that you're having maybe it's been fixed already? I'm using Paper 418, Citizens 1590, WIndows 10 x64, Minecraft 1.13.2. No errors for me...

@axemwa Testing Paper dev 429, I no longer get the error with citizens. So I assume aikar fixed it. :)

Yes this was triggered more during those builds due to a bug which has since been fixed.

Considering no known way to clearly trigger this in vanilla at a consistent way, I'm just going to close this until new information is found as I don't have the time to dig deeper into potential sources of this, and these are simply warnings that paper has recovered from the issue (meaning the only thing wed be fixing is the existence of the log itself).

I may just eventually remove the log and let it be silently repairing.

I think i have found a somewhat consistent trigger. Using build 469.
image
The snowball in question is being continuously thrown trough a portal by a snowman. Its a vanilla mechanic that I used to keep the overworld loaded while everyone is in the nether.
Pretty much every single time it goes trough the portal to the nether, I get this error.
The overworld portal is roughly at 130 20 140, and the nether 48 64 20 if that should matter.

My (survival) setup looks like this: a snowman and an endermite riding a minecart so they cannot travel to the nether or move, the minecarts are pushed trough the portal against an anvil (against the small side) to align them.
image

I hope this helps, if you need world save, etc, ping me on discord.

It doesn't always happen, but when it starts, it keeps making this error for every snowball that travels trough dimensions.

I was told to report this here, so here you go guys: https://hastebin.com/jigezekufe.md

I had this happen...debug log told me to report it here.

Version: PaperMC 480
Bukkit Plugins:

  • EssentialsX
  • LuckPerms
[01:21:46 WARN]: EntityItem['Cobblestone'/5647, uuid='ab3fa90c-ff63-4d27-a235-0b7973e1187b', l='world', x=2.50, y=120.05, z=-0.40, cx=0, cz=0, tl=4, v=false, d=false] was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/issues/1302
[01:21:46 WARN]: java.lang.Throwable
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:775)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1653)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1016)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2664)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2606)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.EntityItem.a(EntityItem.java:395)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:383)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1621)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.World.g(World.java:1587)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1394)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:614)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1104)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:943)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:841)
[01:21:46 WARN]:        at java.lang.Thread.run(Unknown Source)
[01:21:46 WARN]: EntityItem['Cobblestone'/5647, uuid='ab3fa90c-ff63-4d27-a235-0b7973e1187b', l='world', x=2.50, y=120.05, z=-0.40, cx=0, cz=-1, tl=4, v=false, d=false] is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1302
[01:21:46 WARN]: EntityItem['Cobblestone'/5647, uuid='ab3fa90c-ff63-4d27-a235-0b7973e1187b', l='world', x=2.50, y=120.05, z=-0.40, cx=0, cz=-1, tl=4, v=false, d=false] was in another chunk at that! 0,0
[01:21:46 WARN]: java.lang.Throwable
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:736)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1659)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1016)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2664)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2606)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.EntityItem.a(EntityItem.java:395)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:383)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1621)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.World.g(World.java:1587)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1394)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:614)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1104)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:943)
[01:21:46 WARN]:        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:841)
[01:21:46 WARN]:        at java.lang.Thread.run(Unknown Source)

[Mon, 17. Dec 2018 19:43:50 UTC WARN] EntityPhantom['Phantom'/1012086, uuid='eb68aac2-2b24-467d-b66d-9bbb0e61a4f9', l='world', x=39.50, y=116.05, z=-1.36, cx=2, cz=0, tl=568, v=false, d=false] was removed from a entitySlice we did not expect.

Yay more logs.

All I know is that there is a set of 4 very tall nether portals near world 0 0, and a new player joined and left before this printed out.

I would assume that reproduction would involve a portal over a chunk border and an entity teleporting on the border in the portal.

2018-12-18 10:04:43 [Server thread/WARN] EntityPigZombie['Zombie Pigman'/176790, uuid='0f79e353-1a6f-4483-98a7-6ef22c92ba94', l='world_nether', x=-1.50, y=63.00, z=0.50, cx=-1, cz=-1, tl=4, v=false, d=false] was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/issues/1302
2018-12-18 10:04:44 [Server thread/WARN] java.lang.Throwable
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:782)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1587)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1016)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2663)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2605)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:383)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1555)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.World.g(World.java:1521)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1328)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:615)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1104)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:943)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:841)
2018-12-18 10:04:44 [Server thread/WARN]    at java.lang.Thread.run(Unknown Source)
2018-12-18 10:04:44 [Server thread/WARN] EntityPigZombie['Zombie Pigman'/176790, uuid='0f79e353-1a6f-4483-98a7-6ef22c92ba94', l='world_nether', x=-1.50, y=63.00, z=0.50, cx=-1, cz=0, tl=4, v=false, d=false] is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1302
2018-12-18 10:04:44 [Server thread/WARN] EntityPigZombie['Zombie Pigman'/176790, uuid='0f79e353-1a6f-4483-98a7-6ef22c92ba94', l='world_nether', x=-1.50, y=63.00, z=0.50, cx=-1, cz=0, tl=4, v=false, d=false] was in another chunk at that! -1,-1
2018-12-18 10:04:44 [Server thread/WARN] java.lang.Throwable
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:743)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1593)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1016)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2663)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2605)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:383)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1555)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.World.g(World.java:1521)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1328)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:615)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1104)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:943)
2018-12-18 10:04:44 [Server thread/WARN]    at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:841)
2018-12-18 10:04:44 [Server thread/WARN]    at java.lang.Thread.run(Unknown Source)

https://gist.github.com/RoboMWM/d759b969d431e07edc827be2f9cd9b33

On paper-493, I threw a trident with loyalty three though a nether portal and it caused this error. I cannot reproduce this error though.

https://gist.github.com/DefinePvP/f25c87887a676e46b169d711d63ba9fc

Paper version git-Paper-498 (MC: 1.13.2)

09.01 16:50:00 [Server] WARN EntityPigZombie['Zombie Pigman'/2407109, uuid='c9f00a87-afcb-400a-9e0e-6676ce3cf8a7', l='world', x=17.50, y=113.00, z=32.43, cx=1, cz=1, tl=13228, v=false, d=false] was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/issues/1302
09.01 16:50:00 [Server] WARN java.lang.Throwable
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:781)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1582)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1016)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2661)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2603)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:381)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1550)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.World.g(World.java:1516)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1323)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:598)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1099)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:938)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:836)
09.01 16:50:00 [Server] WARN at java.lang.Thread.run(Thread.java:748)
09.01 16:50:00 [Server] WARN EntityPigZombie['Zombie Pigman'/2407109, uuid='c9f00a87-afcb-400a-9e0e-6676ce3cf8a7', l='world', x=17.50, y=113.00, z=32.43, cx=1, cz=2, tl=13228, v=false, d=false] is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1302
09.01 16:50:00 [Server] WARN EntityPigZombie['Zombie Pigman'/2407109, uuid='c9f00a87-afcb-400a-9e0e-6676ce3cf8a7', l='world', x=17.50, y=113.00, z=32.43, cx=1, cz=2, tl=13228, v=false, d=false] was in another chunk at that! 1,1
09.01 16:50:00 [Server] WARN java.lang.Throwable
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:742)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1588)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1016)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2661)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2603)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:381)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1550)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.World.g(World.java:1516)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1323)
09.01 16:50:00 [Server] WARN at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:598)
09.01 16:50:30 [Multicraft] Skipped 5 lines due to rate limit (30/s)

`[23:36:06 WARN]: EntityArmorStand['Armor Stand'/2587, uuid='70a38555-f8d9-4e83-80d3-e9f706fd148b', l='world', x=-58.50, y=103.00, z=-33.50, cx=-4, cd=-3, tl=1681, v=true, d=false] was already in this chunk section! Report this to https://github.com/PaperMC/Paper/issues/1302

Throwing items into the nether portal causes this too.
`[11:00:51 WARN]: EntityItem['Netherrack'/91553, uuid='e13d8cef-bf72-4793-a9ee-49a6241f1cdc', l='world_nether', x=177.32, y=51.98, z=43.50,
cx=10, cz=2, tl=5, v=false, d=false] was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/is
sues/1302

Um, hello @aikar. The console log told me to report this here?
(I see it's a closed issue, though.)

[22:01:03] [Server thread/WARN]: EntityEnderPearl['Thrown Ender Pearl'/14836346, uuid='3e3832ba-eb20-4331-91bc-79f7945095ea', l='world1', x=2343.84, y=-2000.00, z=2006.56, cx=146, cz=125, tl=0, v=false, d=false] was already in this chunk section! Report this to https://github.com/PaperMC/Paper/issues/1302
[22:01:03] [Server thread/WARN]: java.lang.Throwable
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:728)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.World.addEntity(World.java:1105)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.WorldServer.addEntity(WorldServer.java:942)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.World.addEntity(World.java:1063)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.ItemEnderPearl.a(ItemEnderPearl.java:19)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.ItemStack.a(ItemStack.java:326)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.PlayerInteractManager.a(PlayerInteractManager.java:419)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1414)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:26)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:5)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:13)
[22:01:03] [Server thread/WARN]:    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[22:01:03] [Server thread/WARN]:    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.SystemUtils.a(SystemUtils.java:108)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1011)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:938)
[22:01:03] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:836)
[22:01:03] [Server thread/WARN]:    at java.lang.Thread.run(Thread.java:745)

Hopefully this helps in some way. Other info:

  • Operating System: Linux (amd64) version 2.6.32-642.4.2.el6.x86_64
  • Java Version: 1.8.0_101, Oracle Corporation
  • Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
  • JVM Flags: 4 total; -XX:MaxMetaspaceSize=256M -XX:+UseConcMarkSweepGC -Xmx6144M -Xms128M
  • Paper version: git-Paper-513 (MC: 1.13.2) (Implementing API version 1.13.2-R0.1-SNAPSHOT)

Saw another one of these using the latest paper build (based on the large chunk saving workaround 84480114e)

[15:28:19] [Server thread/WARN]: EntityTippedArrow['Arrow'/918249, uuid='57920458-2376-477a-af24-7e2b49a13c2b', l='Project_Epic-region_1', x=201.85, y=-15.00, z=273.05, cx=12, cz=17, tl=0, v=false, d=false] was already in this chunk section! Report this to https://github.com/PaperMC/Paper/issues/1302
[15:28:19] [Server thread/WARN]: java.lang.Throwable
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:728)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.World.addEntity(World.java:1112)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.WorldServer.addEntity(WorldServer.java:942)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.World.addEntity(World.java:1070)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.ItemBow.a(ItemBow.java:109)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.ItemStack.a(ItemStack.java:542)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.EntityLiving.clearActiveItem(EntityLiving.java:2764)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1262)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.PacketPlayInBlockDig.a(SourceFile:40)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.PacketPlayInBlockDig.a(SourceFile:10)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:15)
[15:28:19] [Server thread/WARN]:    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[15:28:19] [Server thread/WARN]:    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.SystemUtils.a(SystemUtils.java:108)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1011)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:938)
[15:28:19] [Server thread/WARN]:    at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:836)
[15:28:19] [Server thread/WARN]:    at java.lang.Thread.run(Thread.java:748)

Paper version git-Paper-523 (MC: 1.13.2) (Implementing API version 1.13.2-R0.1-SNAPSHOT)

20.02 12:31:32 [Server] WARN EntityPhantom['Phantom'/18813269, uuid='e4b195e6-b24f-452e-a2c8-5f63a7fc9006', l='world', x=175.50, y=114.50, z=287.98, cx=10, cz=18, tl=559, v=false, d=false] was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/issues/1302
20.02 12:31:32 [Server] WARN java.lang.Throwable
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:781)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1589)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1016)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2677)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2619)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:381)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1557)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.World.g(World.java:1523)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1330)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:598)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1099)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:938)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:836)
20.02 12:31:32 [Server] WARN at java.lang.Thread.run(Thread.java:748)
20.02 12:31:32 [Server] WARN EntityPhantom['Phantom'/18813269, uuid='e4b195e6-b24f-452e-a2c8-5f63a7fc9006', l='world', x=175.50, y=114.50, z=287.98, cx=10, cz=17, tl=559, v=false, d=false] is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1302
20.02 12:31:32 [Server] WARN EntityPhantom['Phantom'/18813269, uuid='e4b195e6-b24f-452e-a2c8-5f63a7fc9006', l='world', x=175.50, y=114.50, z=287.98, cx=10, cz=17, tl=559, v=false, d=false] was in another chunk at that! 10,18
20.02 12:31:32 [Server] WARN java.lang.Throwable
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:742)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1595)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1016)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2677)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2619)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:381)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1557)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.World.g(World.java:1523)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1330)
20.02 12:31:32 [Server] WARN at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:598)
20.02 12:31:42 [Multicraft] Skipped 5 lines due to rate limit (30/s)

Removed in latest build

While these logs indicate something is 'off', we've had no reports of visible 'issues' with entities, and no one is going to take the time to debug this further, so just getting rid of the logs so it's like it's never happening!

Ignorance is bliss.

As instructed, reporting this here.

26.03 19:20:37 [Server] WARN at java.lang.Thread.run(Unknown Source)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:836)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:938)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1099)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:598)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1330)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.World.g(World.java:1523)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1557)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:381)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:598)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1330)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.World.g(World.java:1523)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1557)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.postTick(Entity.java:381)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.a(Entity.java:2619)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.Entity.teleportTo(Entity.java:2677)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.PlayerList.repositionEntity(PlayerList.java:1016)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1589)
26.03 19:20:37 [Server] WARN at net.minecraft.server.v1_13_R2.Chunk.a(Chunk.java:781)
26.03 19:20:37 [Server] WARN java.lang.Throwable
26.03 19:20:37 [Server] WARN EntityCow['Cow'/186, uuid='854b3330-8b62-4f44-9220-0a48a6f7f066', l='hy-brasil_nether', x=1.32, y=65.00, z=-11.50, cx=-1, cz=-1, tl=4850771, v=false, d=false] was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/issues/1302

Removed in latest build - please update

While these logs indicate something is 'off', we've had no reports of visible 'issues' with entities, and no one is going to take the time to debug this further, so just getting rid of the logs so it's like it's never happening!

Ignorance is bliss.

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