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[SOLVED]1.7.2 Crash with java.lang.ArrayIndexOutOfBoundsException: 64

kebbanalex

By kebbanalex
in Modder Support

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kebbanalex Tree Puncher

kebbanalex

Posted
Posted

Hi there I am getting a weird crash every time I enter a world with the ChemicalWaste item in my inventory when I don't have a Hazmat suit in my inventory or if I take the suit out of the inventory. this forces me to delete the world because it's not joinable with out a crash.

 

ItemChemicalWaste

package info.coremodding.realchemics.items;

import info.coremodding.realchemics.creativetabs.RCCreativeTabs;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.potion.Potion;
import net.minecraft.potion.PotionEffect;
import net.minecraft.world.World;

/**
* The chemical waste item class
*/
public class ItemChemicalWaste extends Item {

/**
 * An itemstack of this
 */
public static ItemStack ChemicalWaste = new ItemStack(Items.ChemicalWaste);

public void onUpdate(ItemStack itemstack, World world, Entity par3Entity, int par4, boolean par5) {
	EntityPlayer a = ((EntityPlayer)par3Entity);
	//Searches for the ItemChemicalWaste in the player's inventory
	if (a.inventory.hasItemStack(new ItemStack(Items.ChemicalWaste))){

	//Checks if the player has the Hazmat Suit Boots. I only took boots for testing purposes.	
	if (a.inventory.getStackInSlot(100).equals(new ItemStack(Items.ArmorHazmatSuitBoots))) {
		//Only to see if it give the effect
		System.out.println("Giving Effect");

		//Giving Potion effects
		a.addPotionEffect(new PotionEffect(Potion.poison.id, 1000, 3, false));
		a.addPotionEffect(new PotionEffect(Potion.confusion.id, 1000 , 3 ,false));
		a.addPotionEffect(new PotionEffect(Potion.blindness.id, 1000, 3 , false));
		a.addPotionEffect(new PotionEffect(Potion.hunger.id, 1000, 3 , false));
	}

}

}

{
	/**
	 * Set's the Creative Tab of the Item
	 */
	this.setCreativeTab(RCCreativeTabs.tabRealChem);
	this.setUnlocalizedName("itemChemicalWaste");

}
}

 

 

Log

---- Minecraft Crash Report ----
// Why did you do that?

Time: 2014-04-12 01:56
Description: Ticking player

java.lang.ArrayIndexOutOfBoundsException: 64
at net.minecraft.entity.player.InventoryPlayer.getStackInSlot(InventoryPlayer.java:648)
at info.coremodding.realchemics.items.ItemChemicalWaste.onUpdate(ItemChemicalWaste.java:34)
at net.minecraft.item.ItemStack.updateAnimation(ItemStack.java:477)
at net.minecraft.entity.player.InventoryPlayer.decrementAnimations(InventoryPlayer.java:349)
at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:625)
at net.minecraft.entity.EntityLivingBase.onUpdate(EntityLivingBase.java:1820)
at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:342)
at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:341)
at net.minecraft.network.NetHandlerPlayServer.processPlayer(NetHandlerPlayServer.java:326)
at net.minecraft.network.play.client.C03PacketPlayer.processPacket(C03PacketPlayer.java:37)
at net.minecraft.network.play.client.C03PacketPlayer$C06PacketPlayerPosLook.processPacket(C03PacketPlayer.java:271)
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:232)
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:182)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:716)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:604)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:742)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at net.minecraft.entity.player.InventoryPlayer.getStackInSlot(InventoryPlayer.java:648)
at info.coremodding.realchemics.items.ItemChemicalWaste.onUpdate(ItemChemicalWaste.java:34)
at net.minecraft.item.ItemStack.updateAnimation(ItemStack.java:477)
at net.minecraft.entity.player.InventoryPlayer.decrementAnimations(InventoryPlayer.java:349)
at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:625)
at net.minecraft.entity.EntityLivingBase.onUpdate(EntityLivingBase.java:1820)
at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:342)

-- Player being ticked --
Details:
Entity Type: null (net.minecraft.entity.player.EntityPlayerMP)
Entity ID: 190
Entity Name: Player703
Entity's Exact location: 564,81, 4,00, 196,32
Entity's Block location: World: (564,4,196), Chunk: (at 4,0,4 in 35,12; contains blocks 560,0,192 to 575,255,207), Region: (1,0; contains chunks 32,0 to 63,31, blocks 512,0,0 to 1023,255,511)
Entity's Momentum: 0,00, -0,08, 0,00
Stacktrace:
at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:341)
at net.minecraft.network.NetHandlerPlayServer.processPlayer(NetHandlerPlayServer.java:326)
at net.minecraft.network.play.client.C03PacketPlayer.processPacket(C03PacketPlayer.java:37)
at net.minecraft.network.play.client.C03PacketPlayer$C06PacketPlayerPosLook.processPacket(C03PacketPlayer.java:271)
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:232)

-- Ticking connection --
Details:
Connection: net.minecraft.network.NetworkManager@5880cefe
Stacktrace:
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:182)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:716)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:604)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:742)

-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 954064056 bytes (909 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)
JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
AABB Pool Size: 3297 (184632 bytes; 0 MB) allocated, 3083 (172648 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.01-pre FML v7.2.156.1056 Minecraft Forge 10.12.0.1056 4 mods loaded, 4 mods active
mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.2.156.1056} [Forge Mod Loader] (forgeSrc-1.7.2-10.12.0.1056.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.12.0.1056} [Minecraft Forge] (forgeSrc-1.7.2-10.12.0.1056.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CoreModding_RealChemics{Not Even A Version Yet!} [Real Chemics] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 436 (24416 bytes; 0 MB) allocated, 402 (22512 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['Player703'/190, l='New World', x=564,81, y=4,00, z=196,32]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'
#@!@# Game crashed! Crash report saved to: #@!@# .\crash-reports\crash-2014-04-12_01.56.07-server.txt
[01:56:08] [Client Shutdown Thread/INFO]: Stopping server
[01:56:08] [Client Shutdown Thread/INFO]: Saving players
AL lib: (EE) alc_cleanup: 1 device not closed

TheGreyGhost Reality Controller

TheGreyGhost

Posted
Posted

Hi

 

Where does this magic number 100 come from in this line?

if (a.inventory.getStackInSlot(100).equals(new ItemStack(Items.ArmorHazmatSuitBoots))) {

 

Tracing through getStackInSlot I find

    public ItemStack getStackInSlot(int par1)
    {
        ItemStack[] aitemstack = this.mainInventory;

        if (par1 >= aitemstack.length)
        {
            par1 -= aitemstack.length;
            aitemstack = this.armorInventory;
        }

        return aitemstack[par1];
    }

The definition of InventoryPlayer.mainInventory and armorInventory are

    /**
     * An array of 36 item stacks indicating the main player inventory (including the visible bar).
     */
    public ItemStack[] mainInventory = new ItemStack[36];

    /** An array of 4 item stacks containing the currently worn armor pieces. */
    public ItemStack[] armorInventory = new ItemStack[4];

So your error index 64 comes from 100 - 36 = 64 which is bigger than the size of armorInventory.

 

-TGG

 

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