edir: this the server log
Code
[20:48:25] [Netty Epoll Server IO #3/WARN]: An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.
java.nio.channels.ClosedChannelException: null
at io.netty.channel.AbstractChannel$AbstractUnsafe.write(...)(Unknown Source) ~[minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
[20:48:26] [Server thread/INFO]: BitterBlack[/200.105.99.48:55958] logged in with entity id 419 at ([world]3806.0, 69.0, 3969.0)
[20:48:26] [Server thread/WARN]: [Essentials] Task #86 for Essentials v2.18.0.0 generated an exception
java.lang.NullPointerException: null
at com.earth2me.essentials.xmpp.XMPPManager.updatePresence(XMPPManager.java:146) ~[?:?]
at com.earth2me.essentials.xmpp.EssentialsXMPP.updatePresence(EssentialsXMPP.java:113) ~[?:?]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
[20:48:26] [Server thread/WARN]: [Essentials] Permissions lag notice with (ModernVaultHandler). Response took 100.364735ms. Summary: Getting prefix for BitterBlack
[20:48:26] [Craft Scheduler Thread - 5/INFO]: Failed to check for Jobs update on spigot web page.
[20:48:26] [Server thread/WARN]: [Essentials] Permissions lag notice with (ModernVaultHandler). Response took 38.940351ms. Summary: Getting group for BitterBlack
[20:48:28] [Server thread/INFO]: BitterBlack lost connection: Internal Exception: io.netty.channel.unix.Errors$NativeIoException: syscall:read(..) failed: Connection reset by peer
[20:48:29] [Server thread/INFO]: BitterBlack left the game
[20:48:29] [Server thread/WARN]: [Essentials] Task #98 for Essentials v2.18.0.0 generated an exception
java.lang.NullPointerException: null
at com.earth2me.essentials.xmpp.XMPPManager.updatePresence(XMPPManager.java:142) ~[?:?]
at com.earth2me.essentials.xmpp.EssentialsXMPP.updatePresence(EssentialsXMPP.java:113) ~[?:?]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [minecraft_server.jar:git-Spigot-2cf50f0-2b93d83]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
[20:50:55] [Server thread/INFO]: Stopping the server
[20:50:55] [Server thread/INFO]: Stopping server
[20:50:55] [Server thread/INFO]: [Factions] Disabling Factions v2.14.0
[20:50:55] [Server thread/INFO]: [Factions 2.14.0] Integration Deactivated IntegrationV18
[20:50:55] [Server thread/INFO]: [Factions 2.14.0] Integration Deactivated IntegrationV19
[20:50:55] [Server thread/INFO]: [Factions 2.14.0] Integration Deactivated IntegrationSpigot
[20:50:55] [Server thread/INFO]: [Factions 2.14.0] Integration Deactivated IntegrationWorldGuard
[20:50:55] [Server thread/INFO]: [Factions 2.14.0] Disabled
[20:50:55] [Server thread/INFO]: [Multiverse-Core] Disabling Multiverse-Core v2.5-b719
[20:50:55] [Server thread/INFO]: [EssentialsSpawn] Disabling EssentialsSpawn v2.17.1.0
[20:50:55] [Server thread/INFO]: [EssentialsAntiBuild] Disabling EssentialsAntiBuild v2.18.0.0
[20:50:55] [Server thread/INFO]: [EssentialsChat] Disabling EssentialsChat v2.17.1.0
[20:50:55] [Server thread/INFO]: [EssentialsGeoIP] Disabling EssentialsGeoIP v2.18.0.0
[20:50:55] [Server thread/INFO]: [EssentialsProtect] Disabling EssentialsProtect v2.18.0.0
[20:50:55] [Server thread/INFO]: [EssentialsXMPP] Disabling EssentialsXMPP v2.17.1.0
[20:50:55] [Server thread/INFO]: [ASkyBlock] Disabling ASkyBlock v3.0.9.4
[20:50:55] [Server thread/INFO]: [ASkyBlock] Saving offline messages...
[20:50:55] [Server thread/INFO]: [Essentials_KitGUI] Disabling Essentials_KitGUI v1.4
[20:50:55] [Server thread/INFO]: [HolographicDisplays] Disabling HolographicDisplays v2.3.2
[20:50:55] [Server thread/INFO]: [Jobs] Disabling Jobs v4.13.1
[20:50:56] [Jobs-DatabaseSaveTask/INFO]: [Jobs] Database save task shutdown!
[20:50:56] [Jobs-BufferedPaymentThread/INFO]: [Jobs] Buffered payment thread shutdown.
[20:50:56] [Server thread/INFO]: [Jobs] Plugin has been disabled successfully.
[20:50:56] [Server thread/INFO]: [Essentials] Disabling Essentials v2.18.0.0
[20:50:56] [Server thread/INFO]: [Vault][Economy] Essentials Economy unhooked.
[20:50:56] [Server thread/INFO]: [ChestShop] Disabling ChestShop v3.9.2 (build 86)
[20:50:56] [Server thread/INFO]: [MassiveCore] Disabling MassiveCore v2.14.0
[20:50:56] [Server thread/INFO]: [MassiveCore 2.14.0] Integration Deactivated IntegrationLiabilityAreaEffectCloud
[20:50:56] [Server thread/INFO]: [MassiveCore 2.14.0] Integration Deactivated IntegrationVault
[20:50:56] [Server thread/INFO]: [MassiveCore 2.14.0] Disabled
[20:50:56] [Server thread/INFO]: [CustomSkinsManager] Disabling CustomSkinsManager v2.0.5
[20:50:56] [Server thread/INFO]: [GWarp] Disabling GWarp v[2.9.0.0]
[20:50:56] [Server thread/INFO]: [GWarp] El Plugin ha sido desactivado correctamente.
[20:50:56] [Server thread/INFO]: [ColoredAnvils] Disabling ColoredAnvils v1.08
[20:50:56] [Server thread/INFO]: [ColoredAnvils] ColoredAnvils v1.08 has been disabled!
[20:50:56] [Server thread/INFO]: [DailyRewards] Disabling DailyRewards v2.1.2
[20:50:56] [Server thread/INFO]: [Vault] Disabling Vault v1.5.6-b49
[20:50:56] [Server thread/INFO]: [ProtectionStones] Disabling ProtectionStones v1.4.1
[20:50:56] [Server thread/INFO]: [WorldGuard] Disabling WorldGuard v6.2.2-SNAPSHOT;8eeab68
[20:50:56] [Server thread/INFO]: [WorldGuard] Shutting down executor and waiting for any pending tasks...
[20:50:56] [Server thread/INFO]: [ProtocolLib] Disabling ProtocolLib v4.4.0
[20:50:56] [Server thread/INFO]: [AutoMessage] Disabling AutoMessage v2.5.5
[20:50:56] [Server thread/INFO]: [LoginSecurity] Disabling LoginSecurity v2.1.9
[20:50:56] [Server thread/INFO]: [LoginSecurity] Waiting for queued tasks...
[20:50:56] [Server thread/INFO]: [LoginSecurity] ExecutorService shut down, ready to disable.
[20:50:56] [Server thread/INFO]: [Colored Signs] Disabling ColoredSigns v2.2
[20:50:56] [Server thread/INFO]: [WorldEdit] Disabling WorldEdit v6.1.9;caf0ad9
[20:50:56] [Server thread/INFO]: [LuckPerms] Disabling LuckPerms v4.4.0
[20:50:56] [Server thread/INFO]: [LuckPerms] Closing storage...
[20:50:56] [Server thread/INFO]: [LuckPerms] Shutting down internal scheduler...
[20:50:56] [Server thread/INFO]: [LuckPerms] Goodbye!
[20:50:56] [Server thread/INFO]: Saving players
[20:50:56] [Server thread/INFO]: Saving worlds
[20:50:56] [Server thread/INFO]: Saving chunks for level 'world'/overworld
[20:50:57] [Server thread/INFO]: Saving chunks for level 'world_nether'/the_nether
[20:50:57] [Server thread/INFO]: Saving chunks for level 'world_the_end'/the_end
[20:50:57] [Server thread/INFO]: Saving chunks for level 'ASkyBlock'/overworld
[20:50:57] [Server thread/INFO]: Saving chunks for level 'ASkyBlock_nether'/the_nether
[20:50:57] [Server thread/INFO]: Saving chunks for level 'TestWorld'/overworld
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