Hey,
for the last week my console spam for me those messages:
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: java.lang.Exception: Stack trace
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at java.lang.Thread.dumpStack(Thread.java:1336)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.util.ClassInheritanceMultiMap.handler$zzi000$concurrentCheck$checkServerThreadSide(ClassInheritanceMultiMap.java:554)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.util.ClassInheritanceMultiMap.remove(ClassInheritanceMultiMap.java)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.world.chunk.Chunk.func_76608_a(Chunk.java:765)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.world.World.redirect$zll000$impl$returnTrueToAddedToChunkForMovingEntities(World.java:7814)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.world.World.func_72866_a(World.java:2033)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:832)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.entity.Entity.func_70107_b(Entity.java:359)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.entity.Entity.func_70080_a(Entity.java:1401)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.network.NetHandlerPlayServer.func_175089_a(NetHandlerPlayServer.java:626)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.network.NetHandlerPlayServer.func_147364_a(NetHandlerPlayServer.java:598)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.entity.player.EntityPlayerMP.func_70634_a(EntityPlayerMP.java:1220)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at xyz.vsngamer.elevator.network.TeleportHandler.onMessage(TeleportHandler.java:35)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at xyz.vsngamer.elevator.network.TeleportHandler.onMessage(TeleportHandler.java:17)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraftforge.fml.common.network.simpleimpl.SimpleChannelHandlerWrapper.channelRead0(SimpleChannelHandlerWrapper.java:56)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraftforge.fml.common.network.simpleimpl.SimpleChannelHandlerWrapper.channelRead0(SimpleChannelHandlerWrapper.java:36)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
03.09 18:15:59 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926)
03.09 18:16:04 [Multicraft] Skipped 338 lines due to rate limit (30/s)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: java.lang.Exception: Stack trace
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at java.lang.Thread.dumpStack(Thread.java:1336)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.util.ClassInheritanceMultiMap.handler$zzi000$concurrentCheck$checkServerThreadSide(ClassInheritanceMultiMap.java:554)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.util.ClassInheritanceMultiMap.remove(ClassInheritanceMultiMap.java)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.world.chunk.Chunk.func_76608_a(Chunk.java:765)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.world.World.redirect$zll000$impl$returnTrueToAddedToChunkForMovingEntities(World.java:7814)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.world.World.func_72866_a(World.java:2033)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:832)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.entity.Entity.func_70107_b(Entity.java:359)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.entity.Entity.func_70080_a(Entity.java:1401)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.network.NetHandlerPlayServer.func_175089_a(NetHandlerPlayServer.java:626)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.network.NetHandlerPlayServer.func_147364_a(NetHandlerPlayServer.java:598)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraft.entity.player.EntityPlayerMP.func_70634_a(EntityPlayerMP.java:1220)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at xyz.vsngamer.elevator.network.TeleportHandler.onMessage(TeleportHandler.java:35)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at xyz.vsngamer.elevator.network.TeleportHandler.onMessage(TeleportHandler.java:17)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraftforge.fml.common.network.simpleimpl.SimpleChannelHandlerWrapper.channelRead0(SimpleChannelHandlerWrapper.java:56)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at net.minecraftforge.fml.common.network.simpleimpl.SimpleChannelHandlerWrapper.channelRead0(SimpleChannelHandlerWrapper.java:36)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
03.09 18:16:04 [Server] Netty Epoll Server IO #7/INFO [STDERR]: [java.lang.Thread:dumpStack:1336]: at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926)
03.09 18:16:13 [Multicraft] Skipped 245 lines due to rate limit (30/s)
Now I read the rules and some Dev tals me its related to Forge and to ask for solution here.
I am using SkyFactory 4.
Plugin list:
SpongeForge
AutoCommands
BaconParty
bclforgelib
BetterChunkLoader
CarrotShop
CatClearLag
CraftingStore
DupeFixer
EconomyLite
griefprevention
GTS
Holograms
HuskyCrates
Lottery
LuckPerms
MagiBridge
MMCReboot
MMCRestrict
MMCRules
ModControl (Custom Mod)
Nucleus
nuvotifier
Placeholder API
randompatches (Custom Mod)
sampler (Custom Mod)
seriousvote
SkyClaims
taxation
unity
also there are some masseges like:
03.09 18:19:17 [Server] Server thread/WARN Can't keep up! Did the system time change, or is the server overloaded? Running 2867ms behind, skipping 57 tick(s)
All those makes the server to be much laggy, plus sometimes it just Crash.