when ever i try to run my spigot server with Essentials i got from this link: https://hub.spigotmc.org/jenkins/job/Spigot-Essentials/lastSuccessfulBuild/artifact/
it wont work here is the crash report

Last login: Wed Feb 10 19:03:38 on ttys000
manuels-MacBook-Pro:~ manuel$ /Users/manuel/Desktop/minecraft/servers/for\ IRL\ friends/start.command ; exit;
Warning, your max perm gen size is not set or less than 128mb. It is recommended you restart Java with the following argument: -XX:MaxPermSize=128M
Please see http://www.spigotmc.org/wiki/changing-permgen-size/ for more details and more in-depth instructions.
Loading libraries, please wait...
[19:12:53 INFO]: Starting minecraft server version 1.8.8
[19:12:53 INFO]: Loading properties
[19:12:53 INFO]: Default game type: SURVIVAL
[19:12:53 INFO]: This server is running CraftBukkit version git-Spigot-db6de12-18fbb24 (MC: 1.8.8) (Implementing API version 1.8.8-R0.1-SNAPSHOT)
[19:12:53 INFO]: Debug logging is disabled
[19:12:53 INFO]: Server Ping Player Sample Count: 12
[19:12:53 INFO]: Using 4 threads for Netty based IO
[19:12:53 INFO]: Generating keypair
[19:12:54 INFO]: Starting Minecraft server on *:25500
[19:12:54 INFO]: Using default channel type
[19:12:54 ERROR]: Ambiguous plugin name `EssentialsGeoIP' for files `plugins/original-EssentialsGeoIP-2.x-SNAPSHOT.jar' and `plugins/EssentialsGeoIP-2.x-SNAPSHOT.jar' in `plugins'
[19:12:54 ERROR]: Ambiguous plugin name `EssentialsXMPP' for files `plugins/original-EssentialsXMPP-2.x-SNAPSHOT.jar' and `plugins/EssentialsXMPP-2.x-SNAPSHOT.jar' in `plugins'
[19:12:54 INFO]: [Essentials] Loading Essentials vTeamCity
[19:12:54 INFO]: [EssentialsXMPP] Loading EssentialsXMPP vTeamCity
[19:12:54 INFO]: [EssentialsChat] Loading EssentialsChat vTeamCity
[19:12:54 INFO]: [EssentialsProtect] Loading EssentialsProtect vTeamCity
[19:12:54 INFO]: [EssentialsSpawn] Loading EssentialsSpawn vTeamCity
[19:12:54 INFO]: [EssentialsAntiBuild] Loading EssentialsAntiBuild vTeamCity
[19:12:54 INFO]: [EssentialsGeoIP] Loading EssentialsGeoIP vTeamCity
[19:12:54 INFO]: **** Beginning UUID conversion, this may take A LONG time ****
[19:12:54 INFO]: Preparing level "world"
[19:12:54 INFO]: -------- World Settings For [world] --------
[19:12:54 INFO]: Item Despawn Rate: 6000
[19:12:54 INFO]: Item Merge Radius: 2.5
[19:12:54 INFO]: Arrow Despawn Rate: 1200
[19:12:54 INFO]: Allow Zombie Pigmen to spawn from portal blocks: true
[19:12:54 INFO]: View Distance: 10
[19:12:54 INFO]: Zombie Aggressive Towards Villager: true
[19:12:54 INFO]: Chunks to Grow per Tick: 650
[19:12:54 INFO]: Clear tick list: false
[19:12:54 INFO]: Experience Merge Radius: 3.0
[19:12:54 INFO]: Mob Spawn Range: 4
[19:12:54 INFO]: Anti X-Ray: true
[19:12:54 INFO]: Engine Mode: 1
[19:12:54 INFO]: Hidden Blocks: [14, 15, 16, 21, 48, 49, 54, 56, 73, 74, 82, 129, 130]
[19:12:54 INFO]: Replace Blocks: [1, 5]
[19:12:54 INFO]: Nerfing mobs spawned from spawners: false
[19:12:54 INFO]: Cactus Growth Modifier: 100%
[19:12:54 INFO]: Cane Growth Modifier: 100%
[19:12:54 INFO]: Melon Growth Modifier: 100%
[19:12:54 INFO]: Mushroom Growth Modifier: 100%
[19:12:54 INFO]: Pumpkin Growth Modifier: 100%
[19:12:54 INFO]: Sapling Growth Modifier: 100%
[19:12:54 INFO]: Wheat Growth Modifier: 100%
[19:12:54 INFO]: NetherWart Growth Modifier: 100%
[19:12:54 INFO]: Entity Activation Range: An 32 / Mo 32 / Mi 16
[19:12:54 INFO]: Entity Tracking Range: Pl 48 / An 48 / Mo 48 / Mi 32 / Other 64
[19:12:54 INFO]: Hopper Transfer: 8 Hopper Check: 8 Hopper Amount: 1
[19:12:54 INFO]: Random Lighting Updates: false
[19:12:54 INFO]: Structure Info Saving: true
[19:12:54 INFO]: Sending up to 10 chunks per packet
[19:12:54 INFO]: Max Entity Collisions: 8
[19:12:54 INFO]: Custom Map Seeds: Village: 10387312 Feature: 14357617
[19:12:54 INFO]: Max TNT Explosions: 100
[19:12:54 INFO]: Tile Max Tick Time: 50ms Entity max Tick Time: 50ms
[19:12:54 INFO]: -------- World Settings For [world_nether] --------
[19:12:54 INFO]: Item Despawn Rate: 6000
[19:12:54 INFO]: Item Merge Radius: 2.5
[19:12:54 INFO]: Arrow Despawn Rate: 1200
[19:12:54 INFO]: Allow Zombie Pigmen to spawn from portal blocks: true
[19:12:54 INFO]: View Distance: 10
[19:12:54 INFO]: Zombie Aggressive Towards Villager: true
[19:12:54 INFO]: Chunks to Grow per Tick: 650
[19:12:54 INFO]: Clear tick list: false
[19:12:54 INFO]: Experience Merge Radius: 3.0
[19:12:54 INFO]: Mob Spawn Range: 4
[19:12:54 INFO]: Anti X-Ray: true
[19:12:54 INFO]: Engine Mode: 1
[19:12:54 INFO]: Hidden Blocks: [14, 15, 16, 21, 48, 49, 54, 56, 73, 74, 82, 129, 130]
[19:12:54 INFO]: Replace Blocks: [1, 5]
[19:12:54 INFO]: Nerfing mobs spawned from spawners: false
[19:12:54 INFO]: Cactus Growth Modifier: 100%
[19:12:54 INFO]: Cane Growth Modifier: 100%
[19:12:54 INFO]: Melon Growth Modifier: 100%
[19:12:54 INFO]: Mushroom Growth Modifier: 100%
[19:12:54 INFO]: Pumpkin Growth Modifier: 100%
[19:12:54 INFO]: Sapling Growth Modifier: 100%
[19:12:54 INFO]: Wheat Growth Modifier: 100%
[19:12:54 INFO]: NetherWart Growth Modifier: 100%
[19:12:54 INFO]: Entity Activation Range: An 32 / Mo 32 / Mi 16
[19:12:54 INFO]: Entity Tracking Range: Pl 48 / An 48 / Mo 48 / Mi 32 / Other 64
[19:12:54 INFO]: Hopper Transfer: 8 Hopper Check: 8 Hopper Amount: 1
[19:12:54 INFO]: Random Lighting Updates: false
[19:12:54 INFO]: Structure Info Saving: true
[19:12:54 INFO]: Sending up to 10 chunks per packet
[19:12:54 INFO]: Max Entity Collisions: 8
[19:12:54 INFO]: Custom Map Seeds: Village: 10387312 Feature: 14357617
[19:12:54 INFO]: Max TNT Explosions: 100
[19:12:54 INFO]: Tile Max Tick Time: 50ms Entity max Tick Time: 50ms
[19:12:54 INFO]: -------- World Settings For [world_the_end] --------
[19:12:54 INFO]: Item Despawn Rate: 6000
[19:12:54 INFO]: Item Merge Radius: 2.5
[19:12:54 INFO]: Arrow Despawn Rate: 1200
[19:12:54 INFO]: Allow Zombie Pigmen to spawn from portal blocks: true
[19:12:54 INFO]: View Distance: 10
[19:12:54 INFO]: Zombie Aggressive Towards Villager: true
[19:12:54 INFO]: Chunks to Grow per Tick: 650
[19:12:54 INFO]: Clear tick list: false
[19:12:54 INFO]: Experience Merge Radius: 3.0
[19:12:54 INFO]: Mob Spawn Range: 4
[19:12:54 INFO]: Anti X-Ray: true
[19:12:54 INFO]: Engine Mode: 1
[19:12:54 INFO]: Hidden Blocks: [14, 15, 16, 21, 48, 49, 54, 56, 73, 74, 82, 129, 130]
[19:12:54 INFO]: Replace Blocks: [1, 5]
[19:12:54 INFO]: Nerfing mobs spawned from spawners: false
[19:12:54 INFO]: Cactus Growth Modifier: 100%
[19:12:54 INFO]: Cane Growth Modifier: 100%
[19:12:54 INFO]: Melon Growth Modifier: 100%
[19:12:54 INFO]: Mushroom Growth Modifier: 100%
[19:12:54 INFO]: Pumpkin Growth Modifier: 100%
[19:12:54 INFO]: Sapling Growth Modifier: 100%
[19:12:54 INFO]: Wheat Growth Modifier: 100%
[19:12:54 INFO]: NetherWart Growth Modifier: 100%
[19:12:54 INFO]: Entity Activation Range: An 32 / Mo 32 / Mi 16
[19:12:54 INFO]: Entity Tracking Range: Pl 48 / An 48 / Mo 48 / Mi 32 / Other 64
[19:12:54 INFO]: Hopper Transfer: 8 Hopper Check: 8 Hopper Amount: 1
[19:12:54 INFO]: Random Lighting Updates: false
[19:12:54 INFO]: Structure Info Saving: true
[19:12:54 INFO]: Sending up to 10 chunks per packet
[19:12:54 INFO]: Max Entity Collisions: 8
[19:12:54 INFO]: Custom Map Seeds: Village: 10387312 Feature: 14357617
[19:12:54 INFO]: Max TNT Explosions: 100
[19:12:54 INFO]: Tile Max Tick Time: 50ms Entity max Tick Time: 50ms
[19:12:54 INFO]: Preparing start region for level 0 (Seed: 6577039028997703608)
[19:12:55 INFO]: Preparing start region for level 1 (Seed: 6577039028997703608)
[19:12:56 INFO]: Preparing start region for level 2 (Seed: 6577039028997703608)
[19:12:56 INFO]: [Essentials] Enabling Essentials vTeamCity
[19:12:56 INFO]: Bukkit version format changed. Version not checked.
[19:12:56 INFO]: git-Spigot-db6de12-18fbb24 (MC: 1.8.8)
[19:12:56 INFO]: 1.8.8-R0.1-SNAPSHOT
[19:12:56 ERROR]: java.lang.NoSuchMethodError: java.nio.CharBuffer.subSequence(II)Ljava/nio/CharBuffer;
[19:12:56 ERROR]: Error occurred while enabling Essentials vTeamCity (Is it up to date?)
java.lang.NullPointerException
at com.earth2me.essentials.Essentials.onDisable(Essentials.java:348) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:323) ~[spigot_server.jar:git-Spigot-db6de12-18fbb24]
at com.earth2me.essentials.Essentials.handleCrash(Essentials.java:747) ~[?:?]
at com.earth2me.essentials.Essentials.onEnable(Essentials.java:275) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[spigot_server.jar:git-Spigot-db6de12-18fbb24]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [spigot_server.jar:git-Spigot-db6de12-18fbb24]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot_server.jar:git-Spigot-db6de12-18fbb24]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:357) [spigot_server.jar:git-Spigot-db6de12-18fbb24]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:317) [spigot_server.jar:git-Spigot-db6de12-18fbb24]
at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:414) [spigot_server.jar:git-Spigot-db6de12-18fbb24]
at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:378) [spigot_server.jar:git-Spigot-db6de12-18fbb24]
at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:333) [spigot_server.jar:git-Spigot-db6de12-18fbb24]
at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:263) [spigot_server.jar:git-Spigot-db6de12-18fbb24]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [spigot_server.jar:git-Spigot-db6de12-18fbb24]
at java.lang.Thread.run(Thread.java:695) [?:1.6.0_65]
[19:12:56 INFO]: [EssentialsXMPP] Enabling EssentialsXMPP vTeamCity
[19:12:56 INFO]: [EssentialsChat] Enabling EssentialsChat vTeamCity
[19:12:56 INFO]: [EssentialsProtect] Enabling EssentialsProtect vTeamCity
[19:12:56 ERROR]: Essentials not installed or failed to load. Essenials Protect is in emergency mode now.
[19:12:56 INFO]: [EssentialsSpawn] Enabling EssentialsSpawn vTeamCity
[19:12:56 INFO]: [EssentialsAntiBuild] Enabling EssentialsAntiBuild vTeamCity
[19:12:56 INFO]: [EssentialsGeoIP] Enabling EssentialsGeoIP vTeamCity
[19:12:56 INFO]: Server permissions file permissions.yml is empty, ignoring it
[19:12:56 INFO]: Done (1.998s)! For help, type "help" or "?"