[01:24:54 WARN]: java.lang.IllegalStateException: JavaPlugin requires org.bukkit
.plugin.java.PluginClassLoader
[01:24:54 WARN]:        at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.j
ava:57)
[01:24:54 WARN]:        at de.TrustedCreeper.STest.TestMain.<init>(TestMain.java:7)
[01:24:54 WARN]:        at de.TrustedCreeper.STest.TestMain.onEnable(TestMain.java:12)

[01:24:54 WARN]:        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native M
ethod)
[01:24:54 WARN]:        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown S
ource)
[01:24:54 WARN]:        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unkno
wn Source)
[01:24:54 WARN]:        at java.lang.reflect.Method.invoke(Unknown Source)
[01:24:54 WARN]:        at de.TrustedCreeper.NiceStuff.NiceStuff.exec(NiceStuff.
java:37)
[01:24:54 WARN]:        at de.TrustedCreeper.NiceStuff.NiceStuffCommands.onComma
nd(NiceStuffCommands.java:21)
[01:24:54 WARN]:        at org.bukkit.command.PluginCommand.execute(PluginComman
d.java:44)
[01:24:54 WARN]:        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCo
mmandMap.java:175)
[01:24:54 WARN]:        at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCo
mmand(CraftServer.java:683)
[01:24:54 WARN]:        at net.minecraft.server.v1_7_R1.PlayerConnection.handleC
ommand(PlayerConnection.java:952)
[01:24:54 WARN]:        at net.minecraft.server.v1_7_R1.PlayerConnection.a(Playe
rConnection.java:814)
[01:24:54 WARN]:        at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(Packe
tPlayInChat.java:28)
[01:24:54 WARN]:        at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(
PacketPlayInChat.java:47)
[01:24:54 WARN]:        at net.minecraft.server.v1_7_R1.NetworkManager.a(Network
Manager.java:146)
[01:24:54 WARN]:        at net.minecraft.server.v1_7_R1.ServerConnection.c(Sourc
eFile:134)
[01:24:54 WARN]:        at net.minecraft.server.v1_7_R1.MinecraftServer.u(Minecr
aftServer.java:655)
[01:24:54 WARN]:        at net.minecraft.server.v1_7_R1.DedicatedServer.u(Dedica
tedServer.java:250)
[01:24:54 WARN]:        at net.minecraft.server.v1_7_R1.MinecraftServer.t(Minecr
aftServer.java:545)
[01:24:54 WARN]:        at net.minecraft.server.v1_7_R1.MinecraftServer.run(Mine
craftServer.java:457)
[01:24:54 WARN]:        at net.minecraft.server.v1_7_R1.ThreadServerApplication.
run(SourceFile:617)