I have problem when players join my server

sorry for my bad english.


I have this problem:
when players join server there is some warns in server console
like this:
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.
.
.
.
.

Code:

[20:27:19 INFO]: Structure Info Saving: true
[20:27:19 INFO]: Entity Tracking Range: Pl 48 / An 48 / Mo 48 / Mi 32 / Other 64

[20:27:19 INFO]: Random Lighting Updates: false
[20:27:19 INFO]: Tile Max Tick Time: 50ms Entity max Tick Time: 50ms
[20:27:19 INFO]: Preparing start region for level 0 (Seed: -4717789702521207213)

[20:27:20 INFO]: Preparing spawn area: 36%
[20:27:21 INFO]: Preparing start region for level 1 (Seed: -4717789702521207213)

[20:27:22 INFO]: Preparing start region for level 2 (Seed: -4717789702521207213)

[20:27:22 INFO]: [Itemizer] Enabling Itemizer v3.1
[20:27:22 INFO]: [SkinsRestorer] Enabling SkinsRestorer v12.9.7
[20:27:22 INFO]: Detected Minecraft v1_8_R1, using SkinFactory_v1_8_R1
[20:27:22 INFO]: [WorldEdit] Enabling WorldEdit v6.1.2;b3fbe8b
[20:27:22 INFO]: WEPIF: Using the Bukkit Permissions API.
[20:27:22 INFO]: [WorldEdit] Using com.sk89q.worldedit.bukkit.adapter.impl.Spigo
t_v1_8_R1 as the Bukkit adapter
[20:27:22 INFO]: [AntiCreeper] Enabling AntiCreeper v4.19
[20:27:22 INFO]: [AntiCreeper] brought to you by Filbert66
[20:27:22 INFO]: [Essentials] Enabling Essentials vTeamCity
[20:27:22 INFO]: Bukkit version format changed. Version not checked.
[20:27:22 INFO]: git-Spigot-550ebac-7019900 (MC: 1.8)
[20:27:22 INFO]: 1.8-R0.1-SNAPSHOT
[20:27:23 INFO]: Using locale en_US
[20:27:23 INFO]: Using locale en_US
[20:27:23 INFO]: [Vault][Economy] Essentials Economy hooked.
[20:27:23 INFO]: Essentials: Using config file enhanced permissions.
[20:27:23 INFO]: Permissions listed in as player-commands will be given to all u
sers.
[20:27:23 INFO]: [NametagEdit] Enabling NametagEdit v2.4
[20:27:25 INFO]: An update is available: NametagEdit v2.4, a release for CB 1.7.
9-R0.1 available at http://servermods.cursecdn.com/files/790/383/NametagEdit.jar

[20:27:25 INFO]: Update by executing: /ne update
[20:27:25 INFO]: [Lockette] Enabling Lockette v1.7.12-HC-1.8
[20:27:25 INFO]: [Lockette] Version 1.7.12-HC-1.8 is being enabled!  Yay!  (Core
version 1.3.7)
[20:27:25 WARN]: [Lockette] Craftbukkit build unrecognized, please be sure you h
ave build [2771] or greater.
[20:27:25 INFO]: [Lockette] Custom lockable block list: [116, 84, 57, 145, 154]
[20:27:25 INFO]: [Lockette] Ignoring linked plugins: [mcMMO]
[20:27:25 INFO]: [Lockette] Loading strings file for English by Acru
[20:27:25 INFO]: [Lockette] Using ops file for admin permissions.
[20:27:25 INFO]: [Lockette] Ready to protect your containers.
[20:27:25 INFO]: [EssentialsSpawn] Enabling EssentialsSpawn vTeamCity
[20:27:25 INFO]: [Lores] Enabling Lores v1.4.1
[20:27:25 INFO]: [Lores] Lores 1.4.1 (Build 45) is enabled!
[20:27:25 INFO]: [Multiverse-Core] Enabling Multiverse-Core v2.5-b699
[20:27:25 INFO]: -------- World Settings For [spawn] --------
[20:27:25 INFO]: View Distance: 10
[20:27:25 INFO]: Allow Zombie Pigmen to spawn from portal blocks: true
[20:27:25 INFO]: Item Merge Radius: 2.5
[20:27:25 INFO]: Item Despawn Rate: 6000
[20:27:25 INFO]: Arrow Despawn Rate: 1200
[20:27:25 INFO]: Zombie Aggressive Towards Villager: true
[20:27:25 INFO]: Chunks to Grow per Tick: 650
[20:27:25 INFO]: Clear tick list: false
[20:27:25 INFO]: Experience Merge Radius: 3.0
[20:27:25 INFO]: Custom Map Seeds:  Village: 10387312 Feature: 14357617
[20:27:25 INFO]: Max Entity Collisions: 8
[20:27:25 INFO]: Anti X-Ray: true
[20:27:25 INFO]:        Engine Mode: 1
[20:27:25 INFO]:        Hidden Blocks: [14, 15, 16, 21, 48, 49, 54, 56, 73, 74,
82, 129, 130]
[20:27:25 INFO]:        Replace Blocks: [1, 5]
[20:27:25 INFO]: Nerfing mobs spawned from spawners: false
[20:27:25 INFO]: Mob Spawn Range: 4
[20:27:25 INFO]: Max TNT Explosions: 100
[20:27:25 INFO]: Alternative Hopper Ticking: false
[20:27:25 INFO]: Hopper Transfer: 8 Hopper Check: 8 Hopper Amount: 1
[20:27:25 INFO]: Sending up to 10 chunks per packet
[20:27:25 INFO]: Cactus Growth Modifier: 100%
[20:27:25 INFO]: Cane Growth Modifier: 100%
[20:27:25 INFO]: Melon Growth Modifier: 100%
[20:27:25 INFO]: Mushroom Growth Modifier: 100%
[20:27:25 INFO]: Pumpkin Growth Modifier: 100%
[20:27:25 INFO]: Sapling Growth Modifier: 100%
[20:27:25 INFO]: Wheat Growth Modifier: 100%
[20:27:25 INFO]: Entity Activation Range: An 32 / Mo 32 / Mi 16
[20:27:25 INFO]: Structure Info Saving: true
[20:27:25 INFO]: Entity Tracking Range: Pl 48 / An 48 / Mo 48 / Mi 32 / Other 64

[20:27:25 INFO]: Random Lighting Updates: false
[20:27:25 INFO]: Tile Max Tick Time: 50ms Entity max Tick Time: 50ms
[20:27:25 INFO]: Preparing start region for level 3 (Seed: -8622669786716578552)

[20:27:26 INFO]: [Multiverse-Core] 4 - World(s) loaded.
[20:27:26 INFO]: [Multiverse-Core] Version 2.5-b699 (API v19) Enabled - By Rigby
, fernferret, lithium3141 and main--
[20:27:26 INFO]: [WorldGuard] Enabling WorldGuard v6.2.1-SNAPSHOT;1702-1c29e85
[20:27:26 INFO]: [WorldGuard] (world) TNT ignition is PERMITTED.
[20:27:26 INFO]: [WorldGuard] (world) Lighters are PERMITTED.
[20:27:26 INFO]: [WorldGuard] (world) Lava fire is blocked.
[20:27:26 INFO]: [WorldGuard] (world) Fire spread is UNRESTRICTED.
[20:27:26 INFO]: [WorldGuard] Loaded configuration for world 'world'
[20:27:26 INFO]: [WorldGuard] (world_nether) TNT ignition is PERMITTED.
[20:27:26 INFO]: [WorldGuard] (world_nether) Lighters are PERMITTED.
[20:27:26 INFO]: [WorldGuard] (world_nether) Lava fire is blocked.
[20:27:26 INFO]: [WorldGuard] (world_nether) Fire spread is UNRESTRICTED.
[20:27:26 INFO]: [WorldGuard] Loaded configuration for world 'world_nether'
[20:27:26 INFO]: [WorldGuard] (world_the_end) TNT ignition is PERMITTED.
[20:27:26 INFO]: [WorldGuard] (world_the_end) Lighters are PERMITTED.
[20:27:26 INFO]: [WorldGuard] (world_the_end) Lava fire is blocked.
[20:27:26 INFO]: [WorldGuard] (world_the_end) Fire spread is UNRESTRICTED.
[20:27:26 INFO]: [WorldGuard] Loaded configuration for world 'world_the_end'
[20:27:26 INFO]: [WorldGuard] (spawn) TNT ignition is PERMITTED.
[20:27:26 INFO]: [WorldGuard] (spawn) Lighters are PERMITTED.
[20:27:26 INFO]: [WorldGuard] (spawn) Lava fire is blocked.
[20:27:26 INFO]: [WorldGuard] (spawn) Fire spread is UNRESTRICTED.
[20:27:26 INFO]: [WorldGuard] Loaded configuration for world 'spawn'
[20:27:26 INFO]: [WorldGuard] Loading region data...
[20:27:26 INFO]: [WorldGuardExtraFlags] Enabling WorldGuardExtraFlags v2.12.0
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.TeleportOnEntryFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.TeleportOnExitFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.CommandOnEntryFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.CommandOnExitFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.ConsoleCommandOnEntryFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.ConsoleCommandOnExitFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.WalkSpeedFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.BlockedEffectsFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.GodmodeFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.GiveEffectsFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.FlyFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.PlaySoundsFlag
[20:27:26 INFO]: [WorldGuard] Registering session handler net.goldtreeservers.wo
rldguardextraflags.flags.GlideFlag
[20:27:26 INFO]: [AntiXRay] Enabling AntiXRay v1.8.6
[20:27:27 ERROR]: [AntiXRay] Plugin AntiXRay v1.8.6 has failed to register event
s for class me.ryanhamshire.AntiXRay.ExplosionsListener because org/bukkit/event
/block/BlockExplodeEvent does not exist.
[20:27:27 INFO]: [Shopkeepers] Enabling Shopkeepers v1.81
[20:27:27 INFO]: [ServerSigns] Enabling ServerSigns v4.5.1
[20:27:27 INFO]: [ServerSigns] Version 4.5.1 is now enabled.
[20:27:27 INFO]: [HolographicDisplays] Enabling HolographicDisplays v2.1.13
[20:27:27 INFO]: [Scavenger] Enabling Scavenger v1.7-18
[20:27:27 INFO]: [Scavenger] Configuration loaded.
[20:27:27 INFO]: [Scavenger] Economy disabled. Item recovery will be free.
[20:27:27 INFO]: [Scavenger] Offline-mode is set to false, no Authenticator Hook

[20:27:27 INFO]: [ProtectionStones] Enabling ProtectionStones v1.4.1
[20:27:27 INFO]: [ProtectionStones] Checking Configuration Version
[20:27:27 INFO]: Config is correct version, continuing start-up
[20:27:27 INFO]: [ProtectionStones] ProtectionStones has successfully started!
[20:27:27 INFO]: [ProtectionStones] Created by Vik1395
[20:27:27 INFO]: Server permissions file permissions.yml is empty, ignoring it
[20:27:27 INFO]: Done (8.669s)! For help, type "help" or "?"
[20:27:28 INFO]: [Vault] Checking for Updates ...
[20:27:28 INFO]:
[20:27:28 INFO]:     +===============+
[20:27:28 INFO]:     | SkinsRestorer |
[20:27:28 INFO]:     +===============+
[20:27:28 INFO]:
[20:27:28 INFO]:     Current version: 12.9.7
[20:27:28 INFO]:     The latest version!
[20:27:28 INFO]:
[20:27:28 INFO]: [Metrics] Server returned HTTP response code: 500 for URL: http
://mcstats.org/report/ServerSigns
[20:27:29 INFO]: [HolographicDisplays] Found a new version available: v2.2.3
[20:27:29 INFO]: [HolographicDisplays] Download it on Bukkit Dev:
[20:27:29 INFO]: [HolographicDisplays] dev.bukkit.org/bukkit-plugins/holographic
-displays
[20:27:29 INFO]: [Vault] No new version available
[20:27:38 INFO]: UUID of player fighterhaha is fa6709f1-6d13-3a4f-8444-2d1ee1a40
417
[20:27:38 INFO]: Failed to send packet for player (Packet209SetScoreboardTeam) :

[20:27:38 WARN]: java.lang.IllegalArgumentException: Can not set java.util.Colle
ction field net.minecraft.server.v1_8_R1.PacketPlayOutScoreboardTeam.g to java.l
ang.Integer
[20:27:38 WARN]:        at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalAr
gumentException(Unknown Source)
[20:27:38 WARN]:        at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalAr
gumentException(Unknown Source)
[20:27:38 WARN]:        at sun.reflect.UnsafeObjectFieldAccessorImpl.set(Unknown
Source)
[20:27:38 WARN]:        at java.lang.reflect.Field.set(Unknown Source)
[20:27:38 WARN]:        at ca.wacos.nametagedit.PacketPlayOut.setField(PacketPla
yOut.java:110)
[20:27:38 WARN]:        at ca.wacos.nametagedit.PacketPlayOut.<init>(PacketPlayO
ut.java:66)
[20:27:38 WARN]:        at ca.wacos.nametagedit.NametagManager.sendTeamsToPlayer
(NametagManager.java:369)
[20:27:38 WARN]:        at ca.wacos.nametagedit.NametagEventHandler.onPlayerJoin
(NametagEventHandler.java:38)
[20:27:38 WARN]:        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native M
ethod)
[20:27:38 WARN]:        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown S
ource)
[20:27:38 WARN]:        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unkno
wn Source)
[20:27:38 WARN]:        at java.lang.reflect.Method.invoke(Unknown Source)
[20:27:38 WARN]:        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(Jav
aPluginLoader.java:301)
[20:27:38 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(Regist
eredListener.java:62)
[20:27:38 WARN]:        at org.bukkit.plugin.SimplePluginManager.fireEvent(Simpl
ePluginManager.java:502)
[20:27:38 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(Simpl
ePluginManager.java:487)
[20:27:38 WARN]:        at net.minecraft.server.v1_8_R1.PlayerList.onPlayerJoin(
PlayerList.java:272)
[20:27:38 WARN]:        at net.minecraft.server.v1_8_R1.PlayerList.a(PlayerList.
java:156)
[20:27:38 WARN]:        at net.minecraft.server.v1_8_R1.LoginListener.b(LoginLis
tener.java:109)
[20:27:38 WARN]:        at net.minecraft.server.v1_8_R1.LoginListener.c(LoginLis
tener.java:41)
[20:27:38 WARN]:        at net.minecraft.server.v1_8_R1.NetworkManager.a(Network
Manager.java:159)
[20:27:38 WARN]:        at net.minecraft.server.v1_8_R1.ServerConnection.c(Serve
rConnection.java:82)
[20:27:38 WARN]:        at net.minecraft.server.v1_8_R1.MinecraftServer.z(Minecr
aftServer.java:800)
[20:27:38 WARN]:        at net.minecraft.server.v1_8_R1.DedicatedServer.z(Dedica
tedServer.java:316)
[20:27:38 WARN]:        at net.minecraft.server.v1_8_R1.MinecraftServer.y(Minecr
aftServer.java:634)
[20:27:38 WARN]:        at net.minecraft.server.v1_8_R1.MinecraftServer.run(Mine
craftServer.java:537)
[20:27:38 WARN]:        at java.lang.Thread.run(Unknown Source)
[20:27:38 INFO]: fighterhaha[/25.32.57.135:3336] logged in with entity id 257 at
([spawn] 36.04814459191209, 4.0, 274.59218220540714)
[20:29:41 INFO]: fighterhaha lost connection: Disconnected
[20:29:41 INFO]: fighterhaha left the game.
[20:30:03 INFO]: UUID of player fighterhaha is fa6709f1-6d13-3a4f-8444-2d1ee1a40
417
[20:30:03 INFO]: Failed to send packet for player (Packet209SetScoreboardTeam) :

[20:30:03 WARN]: java.lang.IllegalArgumentException: Can not set java.util.Colle
ction field net.minecraft.server.v1_8_R1.PacketPlayOutScoreboardTeam.g to java.l
ang.Integer
[20:30:03 WARN]:        at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalAr
gumentException(Unknown Source)
[20:30:03 WARN]:        at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalAr
gumentException(Unknown Source)
[20:30:03 WARN]:        at sun.reflect.UnsafeObjectFieldAccessorImpl.set(Unknown
Source)
[20:30:03 WARN]:        at java.lang.reflect.Field.set(Unknown Source)
[20:30:03 WARN]:        at ca.wacos.nametagedit.PacketPlayOut.setField(PacketPla
yOut.java:110)
[20:30:03 WARN]:        at ca.wacos.nametagedit.PacketPlayOut.<init>(PacketPlayO
ut.java:66)
[20:30:03 WARN]:        at ca.wacos.nametagedit.NametagManager.sendTeamsToPlayer
(NametagManager.java:369)
[20:30:03 WARN]:        at ca.wacos.nametagedit.NametagEventHandler.onPlayerJoin
(NametagEventHandler.java:38)
[20:30:03 WARN]:        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native M
ethod)
[20:30:03 WARN]:        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown S
ource)
[20:30:03 WARN]:        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unkno
wn Source)
[20:30:03 WARN]:        at java.lang.reflect.Method.invoke(Unknown Source)
[20:30:03 WARN]:        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(Jav
aPluginLoader.java:301)
[20:30:03 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(Regist
eredListener.java:62)
[20:30:03 WARN]:        at org.bukkit.plugin.SimplePluginManager.fireEvent(Simpl
ePluginManager.java:502)
[20:30:03 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(Simpl
ePluginManager.java:487)
[20:30:03 WARN]:        at net.minecraft.server.v1_8_R1.PlayerList.onPlayerJoin(
PlayerList.java:272)
[20:30:03 WARN]:        at net.minecraft.server.v1_8_R1.PlayerList.a(PlayerList.
java:156)
[20:30:03 WARN]:        at net.minecraft.server.v1_8_R1.LoginListener.b(LoginLis
tener.java:109)
[20:30:03 WARN]:        at net.minecraft.server.v1_8_R1.LoginListener.c(LoginLis
tener.java:41)
[20:30:03 WARN]:        at net.minecraft.server.v1_8_R1.NetworkManager.a(Network
Manager.java:159)
[20:30:03 WARN]:        at net.minecraft.server.v1_8_R1.ServerConnection.c(Serve
rConnection.java:82)
[20:30:03 WARN]:        at net.minecraft.server.v1_8_R1.MinecraftServer.z(Minecr
aftServer.java:800)
[20:30:03 WARN]:        at net.minecraft.server.v1_8_R1.DedicatedServer.z(Dedica
tedServer.java:316)
[20:30:03 WARN]:        at net.minecraft.server.v1_8_R1.MinecraftServer.y(Minecr
aftServer.java:634)
[20:30:03 WARN]:        at net.minecraft.server.v1_8_R1.MinecraftServer.run(Mine
craftServer.java:537)
[20:30:03 WARN]:        at java.lang.Thread.run(Unknown Source)
[20:30:04 INFO]: fighterhaha[/25.32.57.135:3720] logged in with entity id 74758
at ([spawn] 36.04814459191209, 4.0, 274.59218220540714)
[20:37:34 INFO]: [Metrics] Unexpected end of file from server
>

 

@timtower
http://pastebin.com/zQb6mq8h