Eclipse Mod Error

When I try to start my mod minecraft loads but when I go into single player the ground is missing and the item and ore are not there?

Fyi I am on a mac

Here is the error report

27 achievements


195 recipes


Setting user: Player457, -


Client asked for parameter: server


LWJGL Version: 2.4.2


ModLoader 1.3.1 Initializing...


Mod Initialized: mod_RealmsMod 3.14159265


Overriding /terrain.png with /items/rubyblock.png @ 26. 31 left.


Overriding /gui/items.png with /items/rubyitem.png @ 38. 80 left.


Mod Loaded: mod_RealmsMod 3.14159265


Done.




Starting up SoundSystem...


Initializing LWJGL OpenAL


(The LWJGL binding of OpenAL. For more information, see www.lwjgl.org)


OpenAL initialized.




########## GL ERROR ##########


@ Pre render


1281: Invalid value


Aug 16, 2012 9:41:03 AM net.minecraft.src.IntegratedServer startServer


INFO: Starting integrated minecraft server version 1.3.1


Aug 16, 2012 9:41:03 AM net.minecraft.src.IntegratedServer startServer


INFO: Generating keypair


Aug 16, 2012 9:41:05 AM net.minecraft.server.MinecraftServer initialWorldChunkLoad


INFO: Preparing start region for level 0


Aug 16, 2012 9:41:06 AM net.minecraft.server.MinecraftServer outputPercentRemaining


INFO: Preparing spawn area: 12%


Aug 16, 2012 9:41:07 AM net.minecraft.server.MinecraftServer outputPercentRemaining


INFO: Preparing spawn area: 20%


Aug 16, 2012 9:41:08 AM net.minecraft.server.MinecraftServer outputPercentRemaining


INFO: Preparing spawn area: 48%


Aug 16, 2012 9:41:09 AM net.minecraft.server.MinecraftServer outputPercentRemaining


INFO: Preparing spawn area: 53%


Aug 16, 2012 9:41:10 AM net.minecraft.server.MinecraftServer outputPercentRemaining


INFO: Preparing spawn area: 61%


Aug 16, 2012 9:41:12 AM net.minecraft.src.ServerConfigurationManager initializeConnectionToPlayer


INFO: Player457[/127.0.0.1:0] logged in with entity id 344 at (-252.69999998807907, 94.0, 234.69999998807907)


Aug 16, 2012 9:41:14 AM net.minecraft.server.MinecraftServer run


WARNING: Can't keep up! Did the system time change, or is the server overloaded?


Aug 16, 2012 9:43:53 AM net.minecraft.src.IntegratedServer tick


INFO: Saving and pausing game...


Aug 16, 2012 9:43:53 AM net.minecraft.server.MinecraftServer saveAllDimensions


INFO: Saving chunks for level 'test1'/net.minecraft.src.WorldProviderSurface@68f507d2


Aug 16, 2012 9:43:53 AM net.minecraft.server.MinecraftServer saveAllDimensions


INFO: Saving chunks for level 'test1'/net.minecraft.src.WorldProviderHell@2ed4a1d3


Aug 16, 2012 9:43:53 AM net.minecraft.server.MinecraftServer saveAllDimensions


INFO: Saving chunks for level 'test1'/net.minecraft.src.WorldProviderEnd@9cc3baa


Aug 16, 2012 9:43:54 AM net.minecraft.server.MinecraftServer stopServer


INFO: Stopping server


Aug 16, 2012 9:43:54 AM net.minecraft.server.MinecraftServer stopServer


INFO: Saving players


Aug 16, 2012 9:43:54 AM net.minecraft.server.MinecraftServer stopServer


INFO: Saving worlds


Aug 16, 2012 9:43:54 AM net.minecraft.server.MinecraftServer saveAllDimensions


INFO: Saving chunks for level 'test1'/net.minecraft.src.WorldProviderSurface@68f507d2


Aug 16, 2012 9:43:54 AM net.minecraft.server.MinecraftServer saveAllDimensions


INFO: Saving chunks for level 'test1'/net.minecraft.src.WorldProviderHell@2ed4a1d3


Aug 16, 2012 9:43:54 AM net.minecraft.server.MinecraftServer saveAllDimensions


INFO: Saving chunks for level 'test1'/net.minecraft.src.WorldProviderEnd@9cc3baa


java.io.IOException: Bad file descriptor


at java.io.RandomAccessFile.seek(Native Method)


at net.minecraft.src.RegionFile.write(RegionFile.java:291)


at net.minecraft.src.RegionFile.write(RegionFile.java:206)


at net.minecraft.src.RegionFileChunkBuffer.close(RegionFileChunkBuffer.java:23)


at java.util.zip.DeflaterOutputStream.close(DeflaterOutputStream.java:149)


at java.io.FilterOutputStream.close(FilterOutputStream.java:143)


at net.minecraft.src.AnvilChunkLoader.writeChunkNBTTags(AnvilChunkLoader.java:181)


at net.minecraft.src.AnvilChunkLoader.writeNextIO(AnvilChunkLoader.java:166)


at net.minecraft.src.ThreadedFileIOBase.processQueue(ThreadedFileIOBase.java:39)


at net.minecraft.src.ThreadedFileIOBase.run(ThreadedFileIOBase.java:27)


at java.lang.Thread.run(Thread.java:680)


Stopping!




SoundSystem shutting down...


Author: Paul Lamb, www.paulscode.com


And here is my code

package net.minecraft.src;

import java.util.Map;

import java.util.Random;

import java.util.*;

public class mod_RealmsMod extends BaseMod

{

public static final Block rubyBlock = new BlockRuby(159,0).setHardness(0.5F).setResistance(5.0F).setBlockName("rubb");

public static final Item ruby = new rubygem (1808).setItemName("rubg");

protected Random randomGenerator;

public void load()

{



//rubyBlock

ModLoader.registerBlock(rubyBlock);

rubyBlock.blockIndexInTexture = ModLoader.addOverride("/terrain.png" , "/items/rubyblock.png");

ModLoader.addName(rubyBlock, "Ruby Ore");



//rubygem

ruby.iconIndex = ModLoader.addOverride("/gui/items.png" , "/items/rubyitem.png");

ModLoader.addName(ruby, "Ruby");



}



public void generateSurface(World world, Random random, int chunkX, int chunkZ)

{

randomGenerator = random;



for (int i = 0; i < 1; i++)

{

int randPosX = chunkX + randomGenerator.nextInt(16);

int randPosY = random.nextInt(60);

int randPosZ = chunkZ + randomGenerator.nextInt(16);

(new WorldGenMinable(rubyBlock.blockID, 50)).generate(world, random, randPosX, randPosY, randPosZ);



}

}





public String getVersion()

{

return "3.14159265";

}



public void addRenderer(Map map)

{



}





}