*~Problem With Bukkit & Eclipse~*

So. I just installed the new bukkit api(1.7.10) for eclipse(Libs)



I made a plugin with NO errors..
I try it on my local host
A big StackTrace:-
[09:17:37 ERROR]: Could not load 'plugins\CCPlus.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.IllegalArgumentException: Pl
ugin already initialized!
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:131) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.
java:328) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager
.java:251) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.CraftServer.loadPlugins(CraftServer.ja
va:355) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.CraftServer.reload(CraftServer.java:79
7) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.Bukkit.reload(Bukkit.java:288) [craftbukkit.jar:git-Bukkit
-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:
23) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:18
0) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.CraftServer.dispatchCommand(CraftServe
r.java:701) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.CraftServer.dispatchServerCommand(Craf
tServer.java:688) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.DedicatedServer.aB(DedicatedServer.java:
296) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:2
61) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:5
58) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java
:469) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:6
28) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
Caused by: java.lang.IllegalArgumentException: Plugin already initialized!
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader
.java:98) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:66) ~[craftb
ukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at me.lolzzzz.MainClass.<init>(MainClass.java:15) ~[?:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
~[?:1.7.0_60]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
~[?:1.7.0_60]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Sou
rce) ~[?:1.7.0_60]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.7.0_6
0]
at java.lang.Class.newInstance(Unknown Source) ~[?:1.7.0_60]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.jav
a:52) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:127) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
... 14 more
Caused by: java.lang.IllegalStateException: Initial initialization
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader
.java:101) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:66) ~[craftb
ukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at me.lolzzzz.MainClass.<init>(MainClass.java:15) ~[?:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
~[?:1.7.0_60]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
~[?:1.7.0_60]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Sou
rce) ~[?:1.7.0_60]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.7.0_6
0]
at java.lang.Class.newInstance(Unknown Source) ~[?:1.7.0_60]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.jav
a:52) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:127) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
... 14 more
[09:17:37 ERROR]: Could not load 'plugins\FirstPlugin.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.IllegalArgumentException: Pl
ugin already initialized!
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:131) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.
java:328) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager
.java:251) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.CraftServer.loadPlugins(CraftServer.ja
va:355) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.CraftServer.reload(CraftServer.java:79
7) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.Bukkit.reload(Bukkit.java:288) [craftbukkit.jar:git-Bukkit
-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:
23) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:18
0) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.CraftServer.dispatchCommand(CraftServe
r.java:701) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.CraftServer.dispatchServerCommand(Craf
tServer.java:688) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.DedicatedServer.aB(DedicatedServer.java:
296) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:2
61) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:5
58) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java
:469) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:6
28) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
Caused by: java.lang.IllegalArgumentException: Plugin already initialized!
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader
.java:98) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:66) ~[craftb
ukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at me.lolzzzz.MainClass.<init>(MainClass.java:15) ~[?:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
~[?:1.7.0_60]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
~[?:1.7.0_60]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Sou
rce) ~[?:1.7.0_60]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.7.0_6
0]
at java.lang.Class.newInstance(Unknown Source) ~[?:1.7.0_60]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.jav
a:52) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:127) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
... 14 more
Caused by: java.lang.IllegalStateException: Initial initialization
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader
.java:101) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:66) ~[craftb
ukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at me.lolzzzz.MainClass.<init>(MainClass.java:15) ~[?:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
~[?:1.7.0_60]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
~[?:1.7.0_60]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Sou
rce) ~[?:1.7.0_60]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.7.0_6
0]
at java.lang.Class.newInstance(Unknown Source) ~[?:1.7.0_60]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.jav
a:52) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:127) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
... 14 more

Comes Up.
With This: org.bukkit.plugin.InvalidPluginException: java.lang.IllegalArgumentException
Please Help
*Note* I Tried It On 1.6.4 Works Perfectly

-JimBergens

 

Post the SourceCode of your plugin please. There is an Illegal Argument that not fit to the specific type.

 

1. Paste everything in pastebin
2. Post this in the plugin help section.