This server is running CraftBukkit version git-Bukkit-1.4.5-R0.2-b2488jnks (MC: 1.4.5) (Implementing API version 1.4.5-R0.2) Today i updated my bukkit to thi version and now when i start my server i have this: 06:55:08 [INFO] Failed to get local InetAddress for VMID. This is unlikely to matter. At all. We'll add some extra randomness java.net.UnknownHostException: d093.diamond.fastwebserver.de: d093.diamond.fastwebserver.de: Der Name oder der Dienst ist nicht bekannt at java.net.InetAddress.getLocalHost(Unknown Source) at com.mchange.v2.c3p0.impl.C3P0ImplUtils.generateVmId(C3P0ImplUtils.java:120) at com.mchange.v2.c3p0.impl.C3P0ImplUtils.<clinit>(C3P0ImplUtils.java:98) at com.mchange.v2.c3p0.impl.PoolBackedDataSourceBase.<init>(PoolBackedDataSourceBase.java:227) at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.<init>(AbstractPoolBackedDataSource.java:62) at com.mchange.v2.c3p0.ComboPooledDataSource.<init>(ComboPooledDataSource.java:109) at com.mchange.v2.c3p0.ComboPooledDataSource.<init>(ComboPooledDataSource.java:105) at com.earth2me.essentials.protect.data.ProtectedBlockJDBC.<init>(ProtectedBlockJDBC.java:44) at com.earth2me.essentials.protect.data.ProtectedBlockJDBC.<init>(ProtectedBlockJDBC.java:39) at com.earth2me.essentials.protect.data.ProtectedBlockSQLite.<init>(ProtectedBlockSQLite.java:13) at com.earth2me.essentials.protect.EssentialsConnect$ProtectReloader.reloadConfig(EssentialsConnect.java:88) at com.earth2me.essentials.protect.EssentialsConnect.<init>(EssentialsConnect.java:30) at com.earth2me.essentials.protect.EssentialsProtect.onEnable(EssentialsProtect.java:49) at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217) at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:374) at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381) at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:270) at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:252) at net.minecraft.server.MinecraftServer.j(MinecraftServer.java:320) at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:299) at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:258) at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:147) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:398) at net.minecraft.server.ThreadServerApplication.run(SourceFile:856) Caused by: java.net.UnknownHostException: d093.diamond.fastwebserver.de: Der Name oder der Dienst ist nicht bekannt at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) at java.net.InetAddress$1.lookupAllHostAddr(Unknown Source) at java.net.InetAddress.getAddressesFromNameService(Unknown Source) ... 24 more Someone known what is? solved xD just put your server ip in the propietes, not domain, just the ip and all goes good EDIT by Moderator: merged posts, please use the edit button instead of double posting.