I don't have vault on server. I'm using CraftBukkit 1.5.1-R0.3 and Essentials-Pre2.11.1.2 (hook is on).
2013-05-02 02:10:48 [INFO] KodekPL issued server command: /v
2013-05-02 02:10:48 [INFO] [VanishNoPacket] KodekPL reappeared.
2013-05-02 02:10:48 [SEVERE] Unhandled exception executing command 'v' in plugin VanishNoPacket v3.17
org.bukkit.command.CommandException: Unhandled exception executing command 'v' in plugin VanishNoPacket v3.17
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:335)
at com.earth2me.essentials.Essentials.onCommand(Essentials.java:320)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:189)
at org.bukkit.craftbukkit.v1_5_R2.CraftServer.dispatchCommand(CraftServer.java:545)
at net.minecraft.server.v1_5_R2.PlayerConnection.handleCommand(PlayerConnection.java:980)
at net.minecraft.server.v1_5_R2.PlayerConnection.chat(PlayerConnection.java:896)
at net.minecraft.server.v1_5_R2.PlayerConnection.a(PlayerConnection.java:841)
at net.minecraft.server.v1_5_R2.Packet3Chat.handle(Packet3Chat.java:44)
at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:186)
at net.minecraft.server.v1_5_R2.PlayerConnection.d(PlayerConnection.java:110)
at net.minecraft.server.v1_5_R2.ServerConnection.b(SourceFile:35)
at org.spigotmc.MultiplexingServerConnection.b(MultiplexingServerConnection.java:72)
at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:582)
at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:223)
at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:471)
at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:403)
at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NoClassDefFoundError: net/milkbowl/vault/chat/Chat
at org.kitteh.vanish.hooks.plugins.VaultHook.whatsInTheVault(VaultHook.java:40)
at org.kitteh.vanish.hooks.plugins.VaultHook.getPrefix(VaultHook.java:20)
at org.kitteh.vanish.VanishAnnounceManipulator.injectPlayerInformation(VanishAnnounceManipulator.java:98)
at org.kitteh.vanish.VanishAnnounceManipulator.fakeJoin(VanishAnnounceManipulator.java:119)
at org.kitteh.vanish.VanishAnnounceManipulator.vanishToggled(VanishAnnounceManipulator.java:153)
at org.kitteh.vanish.VanishManager.toggleVanish(VanishManager.java:190)
at org.kitteh.vanish.VanishCommand.onCommand(VanishCommand.java:45)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
... 18 more
Caused by: java.lang.ClassNotFoundException: net.milkbowl.vault.chat.Chat
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:87)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
... 26 more
Write one version of Vault support, upload another. Oops. I'll have 3.17.1 out soon. In the mean time since you're still on 1.5.1 you can use the previous version.
I don't have vault on server. I'm using CraftBukkit 1.5.1-R0.3 and Essentials-Pre2.11.1.2 (hook is on).
2013-05-02 02:10:48 [INFO] KodekPL issued server command: /v 2013-05-02 02:10:48 [INFO] [VanishNoPacket] KodekPL reappeared. 2013-05-02 02:10:48 [SEVERE] Unhandled exception executing command 'v' in plugin VanishNoPacket v3.17 org.bukkit.command.CommandException: Unhandled exception executing command 'v' in plugin VanishNoPacket v3.17 at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:335) at com.earth2me.essentials.Essentials.onCommand(Essentials.java:320) at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:189) at org.bukkit.craftbukkit.v1_5_R2.CraftServer.dispatchCommand(CraftServer.java:545) at net.minecraft.server.v1_5_R2.PlayerConnection.handleCommand(PlayerConnection.java:980) at net.minecraft.server.v1_5_R2.PlayerConnection.chat(PlayerConnection.java:896) at net.minecraft.server.v1_5_R2.PlayerConnection.a(PlayerConnection.java:841) at net.minecraft.server.v1_5_R2.Packet3Chat.handle(Packet3Chat.java:44) at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:186) at net.minecraft.server.v1_5_R2.PlayerConnection.d(PlayerConnection.java:110) at net.minecraft.server.v1_5_R2.ServerConnection.b(SourceFile:35) at org.spigotmc.MultiplexingServerConnection.b(MultiplexingServerConnection.java:72) at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:582) at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:223) at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:471) at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:403) at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573) Caused by: java.lang.NoClassDefFoundError: net/milkbowl/vault/chat/Chat at org.kitteh.vanish.hooks.plugins.VaultHook.whatsInTheVault(VaultHook.java:40) at org.kitteh.vanish.hooks.plugins.VaultHook.getPrefix(VaultHook.java:20) at org.kitteh.vanish.VanishAnnounceManipulator.injectPlayerInformation(VanishAnnounceManipulator.java:98) at org.kitteh.vanish.VanishAnnounceManipulator.fakeJoin(VanishAnnounceManipulator.java:119) at org.kitteh.vanish.VanishAnnounceManipulator.vanishToggled(VanishAnnounceManipulator.java:153) at org.kitteh.vanish.VanishManager.toggleVanish(VanishManager.java:190) at org.kitteh.vanish.VanishCommand.onCommand(VanishCommand.java:45) at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ... 18 more Caused by: java.lang.ClassNotFoundException: net.milkbowl.vault.chat.Chat at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:87) at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) ... 26 more