Alles klar.
Ich bekomme keine Rückmeldung und die Konsole zeigt auch keinen Fehler an.
Vielen Dank aber schonmal für deine Hilfe!

Ich bin echt ziemlich ratlos.
Ich kann den Server Log nicht anhängen, da es sich dabei um ein Format handelt, das nicht unterstützt wird. Ich kopiere diese einfach mal hier rein:
[14:21:46] [Server thread/INFO]: Starting minecraft server version 1.8.8
[14:21:46] [Server thread/INFO]: Loading properties
[14:21:46] [Server thread/INFO]: Default game type: SURVIVAL
[14:21:46] [Server thread/INFO]: This server is running CraftBukkit version git-Spigot-db6de12-3f3c65f (MC: 1.8.8) (Implementing API version 1.8.8-R0.1-SNAPSHOT)
[14:21:46] [Server thread/INFO]: Server Ping Player Sample Count: 12
[14:21:46] [Server thread/INFO]: Using 4 threads for Netty based IO
[14:21:46] [Server thread/INFO]: Debug logging is disabled
[14:21:47] [Server thread/INFO]: Generating keypair
[14:21:47] [Server thread/INFO]: Starting Minecraft server on *:25500
[14:21:47] [Server thread/INFO]: Using epoll channel type
[14:21:47] [Server thread/INFO]: Set PluginClassLoader as parallel capable
[14:21:47] [Server thread/INFO]: [Permission***] Loading Permission*** v1.23.4
[14:21:47] [Server thread/WARN]: [Permission***] This server is in offline mode. Unless this server is configured to integrate with a supported proxy (see
http://dft.ba/-8ous), UUIDs *may not be stable*!
[14:21:47] [Server thread/INFO]: [WorldEdit] Loading WorldEdit v6.1;no_git_id
[14:21:47] [Server thread/INFO]: [WorldGuard] Loading WorldGuard v6.1
[14:21:47] [Server thread/INFO]: [Essentials] Loading Essentials v2.13.1
[14:21:47] [Server thread/WARN]: **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!
[14:21:47] [Server thread/WARN]: The server will make no attempt to authenticate usernames. Beware.
[14:21:47] [Server thread/WARN]: While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.
[14:21:47] [Server thread/WARN]: To change this, set "online-mode" to "true" in the server.properties file.
[14:21:47] [Server thread/INFO]: **** Beginning UUID conversion, this may take A LONG time ****
[14:21:47] [Server thread/INFO]: Preparing level "Spawn"
[14:21:47] [Server thread/INFO]: -------- World Settings For [Spawn] --------
[14:21:47] [Server thread/INFO]: View Distance: 10
[14:21:47] [Server thread/INFO]: Chunks to Grow per Tick: 650
[14:21:47] [Server thread/INFO]: Clear tick list: false
[14:21:47] [Server thread/INFO]: Experience Merge Radius: 3.0
[14:21:47] [Server thread/INFO]: Item Merge Radius: 2.5
[14:21:47] [Server thread/INFO]: Item Despawn Rate: 6000
[14:21:47] [Server thread/INFO]: Arrow Despawn Rate: 1200
[14:21:47] [Server thread/INFO]: Allow Zombie Pigmen to spawn from portal blocks: true
[14:21:47] [Server thread/INFO]: Zombie Aggressive Towards Villager: true
[14:21:47] [Server thread/INFO]: Mob Spawn Range: 4
[14:21:47] [Server thread/INFO]: Anti X-Ray: true
[14:21:47] [Server thread/INFO]: Engine Mode: 1
[14:21:47] [Server thread/INFO]: Hidden Blocks: [14, 15, 16, 21, 48, 49, 54, 56, 73, 74, 82, 129, 130]
[14:21:47] [Server thread/INFO]: Replace Blocks: [1, 5]
[14:21:47] [Server thread/INFO]: Nerfing mobs spawned from spawners: false
[14:21:47] [Server thread/INFO]: Cactus Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Cane Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Melon Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Mushroom Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Pumpkin Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Sapling Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Wheat Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: NetherWart Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Entity Activation Range: An 32 / Mo 32 / Mi 16
[14:21:47] [Server thread/INFO]: Entity Tracking Range: Pl 48 / An 48 / Mo 48 / Mi 32 / Other 64
[14:21:47] [Server thread/INFO]: Hopper Transfer: 8 Hopper Check: 8 Hopper Amount: 1
[14:21:47] [Server thread/INFO]: Random Lighting Updates: false
[14:21:47] [Server thread/INFO]: Structure Info Saving: true
[14:21:47] [Server thread/INFO]: Sending up to 10 chunks per packet
[14:21:47] [Server thread/INFO]: Max Entity Collisions: 8
[14:21:47] [Server thread/INFO]: Custom Map Seeds: Village: 10387312 Feature: 14357617
[14:21:47] [Server thread/INFO]: Max TNT Explosions: 100
[14:21:47] [Server thread/INFO]: Tile Max Tick Time: 50ms Entity max Tick Time: 50ms
[14:21:47] [Server thread/INFO]: -------- World Settings For [Spawn_nether] --------
[14:21:47] [Server thread/INFO]: View Distance: 10
[14:21:47] [Server thread/INFO]: Chunks to Grow per Tick: 650
[14:21:47] [Server thread/INFO]: Clear tick list: false
[14:21:47] [Server thread/INFO]: Experience Merge Radius: 3.0
[14:21:47] [Server thread/INFO]: Item Merge Radius: 2.5
[14:21:47] [Server thread/INFO]: Item Despawn Rate: 6000
[14:21:47] [Server thread/INFO]: Arrow Despawn Rate: 1200
[14:21:47] [Server thread/INFO]: Allow Zombie Pigmen to spawn from portal blocks: true
[14:21:47] [Server thread/INFO]: Zombie Aggressive Towards Villager: true
[14:21:47] [Server thread/INFO]: Mob Spawn Range: 4
[14:21:47] [Server thread/INFO]: Anti X-Ray: true
[14:21:47] [Server thread/INFO]: Engine Mode: 1
[14:21:47] [Server thread/INFO]: Hidden Blocks: [14, 15, 16, 21, 48, 49, 54, 56, 73, 74, 82, 129, 130]
[14:21:47] [Server thread/INFO]: Replace Blocks: [1, 5]
[14:21:47] [Server thread/INFO]: Nerfing mobs spawned from spawners: false
[14:21:47] [Server thread/INFO]: Cactus Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Cane Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Melon Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Mushroom Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Pumpkin Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Sapling Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Wheat Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: NetherWart Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Entity Activation Range: An 32 / Mo 32 / Mi 16
[14:21:47] [Server thread/INFO]: Entity Tracking Range: Pl 48 / An 48 / Mo 48 / Mi 32 / Other 64
[14:21:47] [Server thread/INFO]: Hopper Transfer: 8 Hopper Check: 8 Hopper Amount: 1
[14:21:47] [Server thread/INFO]: Random Lighting Updates: false
[14:21:47] [Server thread/INFO]: Structure Info Saving: true
[14:21:47] [Server thread/INFO]: Sending up to 10 chunks per packet
[14:21:47] [Server thread/INFO]: Max Entity Collisions: 8
[14:21:47] [Server thread/INFO]: Custom Map Seeds: Village: 10387312 Feature: 14357617
[14:21:47] [Server thread/INFO]: Max TNT Explosions: 100
[14:21:47] [Server thread/INFO]: Tile Max Tick Time: 50ms Entity max Tick Time: 50ms
[14:21:47] [Server thread/INFO]: -------- World Settings For [Spawn_the_end] --------
[14:21:47] [Server thread/INFO]: View Distance: 10
[14:21:47] [Server thread/INFO]: Chunks to Grow per Tick: 650
[14:21:47] [Server thread/INFO]: Clear tick list: false
[14:21:47] [Server thread/INFO]: Experience Merge Radius: 3.0
[14:21:47] [Server thread/INFO]: Item Merge Radius: 2.5
[14:21:47] [Server thread/INFO]: Item Despawn Rate: 6000
[14:21:47] [Server thread/INFO]: Arrow Despawn Rate: 1200
[14:21:47] [Server thread/INFO]: Allow Zombie Pigmen to spawn from portal blocks: true
[14:21:47] [Server thread/INFO]: Zombie Aggressive Towards Villager: true
[14:21:47] [Server thread/INFO]: Mob Spawn Range: 4
[14:21:47] [Server thread/INFO]: Anti X-Ray: true
[14:21:47] [Server thread/INFO]: Engine Mode: 1
[14:21:47] [Server thread/INFO]: Hidden Blocks: [14, 15, 16, 21, 48, 49, 54, 56, 73, 74, 82, 129, 130]
[14:21:47] [Server thread/INFO]: Replace Blocks: [1, 5]
[14:21:47] [Server thread/INFO]: Nerfing mobs spawned from spawners: false
[14:21:47] [Server thread/INFO]: Cactus Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Cane Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Melon Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Mushroom Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Pumpkin Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Sapling Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Wheat Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: NetherWart Growth Modifier: 100%
[14:21:47] [Server thread/INFO]: Entity Activation Range: An 32 / Mo 32 / Mi 16
[14:21:47] [Server thread/INFO]: Entity Tracking Range: Pl 48 / An 48 / Mo 48 / Mi 32 / Other 64
[14:21:47] [Server thread/INFO]: Hopper Transfer: 8 Hopper Check: 8 Hopper Amount: 1
[14:21:47] [Server thread/INFO]: Random Lighting Updates: false
[14:21:47] [Server thread/INFO]: Structure Info Saving: true
[14:21:47] [Server thread/INFO]: Sending up to 10 chunks per packet
[14:21:47] [Server thread/INFO]: Max Entity Collisions: 8
[14:21:47] [Server thread/INFO]: Custom Map Seeds: Village: 10387312 Feature: 14357617
[14:21:47] [Server thread/INFO]: Max TNT Explosions: 100
[14:21:47] [Server thread/INFO]: Tile Max Tick Time: 50ms Entity max Tick Time: 50ms
[14:21:47] [Server thread/INFO]: Preparing start region for level 0 (Seed: -7474775127676034812)
[14:21:48] [Server thread/INFO]: Preparing start region for level 1 (Seed: -7474775127676034812)
[14:21:48] [Server thread/INFO]: Preparing start region for level 2 (Seed: -7474775127676034812)
[14:21:49] [Server thread/INFO]: [Permission***] Enabling Permission*** v1.23.4
[14:21:49] [Server thread/INFO]: [Permission***] Initializing file backend
[14:21:49] [Server thread/INFO]: [Permission***] Permissions file successfully reloaded
[14:21:49] [Server thread/INFO]: [WorldEdit] Enabling WorldEdit v6.1;no_git_id
[14:21:49] [Server thread/INFO]: WEPIF: Permission*** detected! Using Permission*** for permissions.
[14:21:49] [Server thread/INFO]: [WorldEdit] Using com.sk89q.worldedit.bukkit.adapter.impl.Spigot_v1_8_R3 as the Bukkit adapter
[14:21:49] [Server thread/INFO]: [WorldGuard] Enabling WorldGuard v6.1
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn) TNT ignition is PERMITTED.
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn) Lighters are PERMITTED.
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn) Lava fire is blocked.
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn) Fire spread is UNRESTRICTED.
[14:21:49] [Server thread/INFO]: [WorldGuard] Loaded configuration for world 'Spawn'
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn_nether) TNT ignition is PERMITTED.
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn_nether) Lighters are PERMITTED.
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn_nether) Lava fire is blocked.
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn_nether) Fire spread is UNRESTRICTED.
[14:21:49] [Server thread/INFO]: [WorldGuard] Loaded configuration for world 'Spawn_nether'
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn_the_end) TNT ignition is PERMITTED.
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn_the_end) Lighters are PERMITTED.
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn_the_end) Lava fire is blocked.
[14:21:49] [Server thread/INFO]: [WorldGuard] (Spawn_the_end) Fire spread is UNRESTRICTED.
[14:21:49] [Server thread/INFO]: [WorldGuard] Loaded configuration for world 'Spawn_the_end'
[14:21:49] [Server thread/INFO]: [WorldGuard] Loading region data...
[14:21:50] [Server thread/INFO]: [Essentials] Enabling Essentials v2.13.1
[14:21:50] [Server thread/INFO]: Bukkit version format changed. Version not checked.
[14:21:50] [Server thread/INFO]: git-Spigot-db6de12-3f3c65f (MC: 1.8.8)
[14:21:50] [Server thread/INFO]: 1.8.8-R0.1-SNAPSHOT
[14:21:50] [Server thread/INFO]: Creating config from template: /home/Lobby1/plugins/Essentials/worth.yml
[14:21:50] [Server thread/ERROR]: java.lang.NoSuchMethodError: com.google.common.cache.CacheBuilder.maximumSize(I)Lcom/google/common/cache/CacheBuilder;
[14:21:50] [Server thread/ERROR]: Error occurred while enabling Essentials v2.13.1 (Is it up to date?)
java.lang.NoSuchMethodError: com.google.common.cache.CacheBuilder.maximumSize(I)Lcom/google/common/cache/CacheBuilder;
at com.earth2me.essentials.UserMap.<init>(UserMap.java:27) ~[?:?]
at com.earth2me.essentials.Essentials.onEnable(Essentials.java:195) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java

21) ~[spigot.jar:git-Spigot-db6de12-3f3c65f]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java

40) [spigot.jar:git-Spigot-db6de12-3f3c65f]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot.jar:git-Spigot-db6de12-3f3c65f]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java

57) [spigot.jar:git-Spigot-db6de12-3f3c65f]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java

17) [spigot.jar:git-Spigot-db6de12-3f3c65f]
at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:414) [spigot.jar:git-Spigot-db6de12-3f3c65f]
at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java

78) [spigot.jar:git-Spigot-db6de12-3f3c65f]
at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java

33) [spigot.jar:git-Spigot-db6de12-3f3c65f]
at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:263) [spigot.jar:git-Spigot-db6de12-3f3c65f]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [spigot.jar:git-Spigot-db6de12-3f3c65f]
at java.lang.Thread.run(Thread.java:745) [?:1.7.0_95]
[14:21:50] [Server thread/INFO]: Server permissions file permissions.yml is empty, ignoring it
[14:21:50] [Server thread/INFO]: Done (2.995s)! For help, type "help" or "?"
[14:22:06] [Thread-11/INFO]: UUID of player FifalyHD is da4452f0-01b9-3f9e-8aee-3791fce767bd
[14:22:06] [Server thread/INFO]: FifalyHD[/5.39.5.52:51839] logged in with entity id 116 at ([Spawn]382.03659338159815, 1.0, -554.8277942237215)
[14:22:10] [Server thread/INFO]: FifalyHD issued server command: /gamemode 0
[14:22:12] [Server thread/INFO]: FifalyHD issued server command: /gamemode 1
Kann man da etwas erkennen? Kann ich es noch irgendwie anders schicken?
Ich würde mich über Hilfe sehr freuen!