[Solved] Server crash java.lang.NoClassDefFoundError: GUIScreen

Description: Exception in server tick loop

java.lang.NoClassDefFoundError: mymod/myGui

  at mymod.myGuiHandler.getClientGuiElement(myGuiHandler.java:17)

  at mymod.my_item.a(my_item.java:189)

  at ur.a(SourceFile:98)

  at ir.a(ItemInWorldManager.java:348)

  at iv.a(NetServerHandler.java:555)

  at fk.a(SourceFile:58)

  at cg.b(TcpConnection.java:458)

  at iv.d(NetServerHandler.java:136)

  at iw.b(NetworkListenThread.java:57)

  at ht.b(SourceFile:30)

  at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:703)

  at ho.r(DedicatedServer.java:270)

  at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:599)

  at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)

  at fy.run(SourceFile:849)

Caused by: java.lang.ClassNotFoundException: mymod.myGui

  at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:185)

  at java.lang.ClassLoader.loadClass(ClassLoader.java:423)

  at java.lang.ClassLoader.loadClass(ClassLoader.java:356)

  ... 15 more

Caused by: java.lang.NoClassDefFoundError: aul

  at java.lang.ClassLoader.defineClass1(Native Method)

  at java.lang.ClassLoader.defineClass(ClassLoader.java:791)

  at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

  at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:174)

  ... 17 more

Caused by: java.lang.ClassNotFoundException: aul

  at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:89)

  at java.lang.ClassLoader.loadClass(ClassLoader.java:423)

  at java.lang.ClassLoader.loadClass(ClassLoader.java:356)

FMLCommonHandler.instance().showGuiScreen(new myGuiHandler().getClientGuiElement(1, par3EntityPlayer, par2World, (int)par3EntityPlayer.posX, (int)par3EntityPlayer.posY, (int)par3EntityPlayer.posZ));

package mymod;

import cpw.mods.fml.common.network.IGuiHandler;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.world.World;

public class myGuiHandler implements IGuiHandler

{

  @Override

    public Object getServerGuiElement(int var1, EntityPlayer var2, World var3, int var4, int var5, int var6)

    {

        return null;

    }

  @Override

    public Object getClientGuiElement(int var1, EntityPlayer var2, World var3, int var4, int var5, int var6)

    {

        return var2.getCurrentEquippedItem() != null && var2.getCurrentEquippedItem().getItem() instanceof my_item ? new myGui(var2) : null;

    }

}

package mymod;

import cpw.mods.fml.common.network.IGuiHandler;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.world.World;

public class GuiHandler implements IGuiHandler

{

@Override

    public Object getServerGuiElement(int var1, EntityPlayer var2, World var3, int var4, int var5, int var6)

    {

        return null;

    }

@Override

    public Object getClientGuiElement(int var1, EntityPlayer var2, World var3, int var4, int var5, int var6)

    {

return new ClientProxy().openClientGui(var1, var2);

//        switch (var1)

//        {

//            case 0:

//            return new myGui1(var2);

//

//            case 1:

//            return new myGui2(var2);

//

//            case 2:

//            return new myGui3(var2);

//

//        }

//       

//        return null;

    }

}

package mymod;

//import cpw.mods.fml.common.network.Player;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.network.INetworkManager;

import net.minecraft.network.packet.Packet250CustomPayload;

import net.minecraftforge.client.MinecraftForgeClient;

public class ClientProxy extends CommonProxy

{

    public void registerRenderers()

    {

    ITEMS = "/gui/images.png";

        MinecraftForgeClient.preloadTexture(ITEMS);

    }

    public Object openClientGui(int var1, EntityPlayer var2)

    {

        switch (var1)

        {

            case 0:

            return new myGui1(var2);

            case 1:

            return new myGui2(var2);

            case 2:

            return new myGui3(var2);

        }

        return null;

    }

}

package mymod;

import net.minecraft.entity.player.EntityPlayer;

public class CommonProxy

{

    public static String ITEMS = "/gui/images.png";

    public void registerRenderers() {}

    public Object openClientGui(int var1, EntityPlayer var2)

    {

        return null;

    }

}

package MyMod;

import net.minecraft.block.Block;

import net.minecraft.item.ItemStack;

import net.minecraft.item.Item;

import net.minecraftforge.common.Configuration;

import net.minecraftforge.common.EnumHelper;

import net.minecraftforge.common.Property;

import cpw.mods.fml.common.Mod;

import cpw.mods.fml.common.Mod.Init;

import cpw.mods.fml.common.Mod.Instance;

import cpw.mods.fml.common.Mod.PreInit;

import cpw.mods.fml.common.SidedProxy;

import cpw.mods.fml.common.event.FMLInitializationEvent;

import cpw.mods.fml.common.event.FMLPreInitializationEvent;

import cpw.mods.fml.common.network.NetworkMod;

import cpw.mods.fml.common.network.NetworkMod.SidedPacketHandler;

import cpw.mods.fml.common.network.NetworkRegistry;

import cpw.mods.fml.common.registry.GameRegistry;

import cpw.mods.fml.common.registry.LanguageRegistry;

@Mod(modid = "MyMod", name = "MyMod", version = "xxx")

@NetworkMod(

clientSideRequired = true,

serverSideRequired = false,

channels = {"MyMod"},

packetHandler = ServerPacketHandler.class

)

public class MyMod

{

    @Instance("MyMod")

    public static MyMod instance;

    public static GuiHandler guiHandler = new GuiHandler();

    @SidedProxy(

            clientSide = "MyMod.ClientProxy",

            serverSide = "MyMod.CommonProxy"

    )

    public static CommonProxy proxy;

    public static int myGuiID1 = 0;

    public static int myGuiID2 = 1;

    public static int myGuiID3 = 2;

    @PreInit

    public void preInit(FMLPreInitializationEvent var1)

    {

        //My config file

    }

    @Init

    public void load(FMLInitializationEvent event)

    {

        proxy.registerRenderers();

        //Registering GuiHandler

        NetworkRegistry.instance().registerGuiHandler(this, new GuiHandler());

        //declaring object

        //Registering Block

        //Adding ItemName

        // RECIPIES

    }

}

package mymod;

import cpw.mods.fml.common.network.IGuiHandler;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.world.World;

public class GuiHandler implements IGuiHandler

{

@Override

    public Object getServerGuiElement(int var1, EntityPlayer var2, World var3, int var4, int var5, int var6)

    {

        return null;

    }

@Override

    public Object getClientGuiElement(int var1, EntityPlayer var2, World var3, int var4, int var5, int var6)

    {

        switch (var1)

        {

            case 0:

            return new myGui1(var2);

            case 1:

            return new myGui2(var2);

            case 2:

            return new myGui3(var2);

        }

        return null;

    }

}

par3EntityPlayer.openGui(mymod.instance, mymod.myGuiID1, par2World, (int)par3EntityPlayer.posX, (int)par3EntityPlayer.posY, (int)par3EntityPlayer.posZ);

or

par3EntityPlayer.openGui(mymod.instance, mymod.myGuiID1, par2World, 0, 0, 0);