Already defined?

Hey there! I play a game called Minecraft, and I have decompiled it and edited it to my wishes. But when I attempt to recompile, I get the following:

errors (7 of them):

Code :

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2011-08-19 18:53 -    commands.recompile - ERROR - == ERRORS FOUND ==
2011-08-19 18:53 -    commands.recompile - ERROR - 
2011-08-19 18:53 -    commands.recompile - ERROR - src\minecraft\net\minecraft\src\EntityAAShell.java:310: owner is already defined in net.minecraft.src.EntityAAShell
2011-08-19 18:53 -    commands.recompile - ERROR - private EntityPlayer owner;
2011-08-19 18:53 -    commands.recompile - ERROR - ^
2011-08-19 18:53 -    commands.recompile - ERROR - 
2011-08-19 18:53 -    commands.recompile - ERROR - src\minecraft\net\minecraft\src\EntityAntiTank.java:327: owner is already defined in net.minecraft.src.EntityAntiTank
2011-08-19 18:53 -    commands.recompile - ERROR - private EntityPlayer owner;
2011-08-19 18:53 -    commands.recompile - ERROR - ^
2011-08-19 18:53 -    commands.recompile - ERROR - 
2011-08-19 18:53 -    commands.recompile - ERROR - src\minecraft\net\minecraft\src\EntityBullet.java:331: owner is already defined in net.minecraft.src.EntityBullet
2011-08-19 18:53 -    commands.recompile - ERROR - private EntityPlayer owner;
2011-08-19 18:53 -    commands.recompile - ERROR - ^
2011-08-19 18:53 -    commands.recompile - ERROR - 
2011-08-19 18:53 -    commands.recompile - ERROR - src\minecraft\net\minecraft\src\EntityBullet2.java:328: owner is already defined in net.minecraft.src.EntityBullet2
2011-08-19 18:53 -    commands.recompile - ERROR - private EntityPlayer owner;
2011-08-19 18:53 -    commands.recompile - ERROR - ^
2011-08-19 18:53 -    commands.recompile - ERROR - 
2011-08-19 18:53 -    commands.recompile - ERROR - src\minecraft\net\minecraft\src\EntityBullet.java:217: cannot find symbol
2011-08-19 18:53 -    commands.recompile - ERROR - symbol  : method addStat(net.minecraft.src.Achievement,int)
2011-08-19 18:53 -    commands.recompile - ERROR - location: class net.minecraft.src.EntityLiving
2011-08-19 18:53 -    commands.recompile - ERROR - owner.addStat(mod_Planes.shootGhast, 1);
2011-08-19 18:53 -    commands.recompile - ERROR - ^
2011-08-19 18:53 -    commands.recompile - ERROR - 
2011-08-19 18:53 -    commands.recompile - ERROR - src\minecraft\net\minecraft\src\hacks.java:14: package mc does not exist
2011-08-19 18:53 -    commands.recompile - ERROR - mc.renderGlobal.loadRenderers();
2011-08-19 18:53 -    commands.recompile - ERROR - ^
2011-08-19 18:53 -    commands.recompile - ERROR - 
2011-08-19 18:53 -    commands.recompile - ERROR - src\minecraft\net\minecraft\src\mod_Planes.java:376: cannot find symbol
2011-08-19 18:53 -    commands.recompile - ERROR - symbol  : method valueOf(int)
2011-08-19 18:53 -    commands.recompile - ERROR - location: class net.minecraft.src.EntityPlane
2011-08-19 18:53 -    commands.recompile - ERROR - planeList.add(entityplane.valueOf(EntityPlane.netID + 23116));
2011-08-19 18:53 -    commands.recompile - ERROR - ^
2011-08-19 18:53 -    commands.recompile - ERROR - 
2011-08-19 18:53 -    commands.recompile - ERROR - 7 errors

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I went to EntityAAShell.java just to see if I could figure out the problem on my own with my bit of programming experience. But when I noticed the problem, which is the following:

Code :

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    private int xTile;
    private int yTile;
    private int zTile;
    private int inTile;
    private boolean inGround;
    public int arrowShake;
    public EntityLiving owner;
    private int timeTillDeath;
    private int flyTime;
    private EntityPlayer owner;

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I was quite confused. Because from what I see, aren't EntityPlayer owner and EntityLiving owner completely different variables?

look in EntityBullet.java and EntityBullet2.java and looks like entityPlayer owner should be public.

Quote:

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src\minecraft\net\minecraft\src\EntityAAShell.java :310: owner is already defined in
net.minecraft.src.EntityAAShell

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Is the variable: owner defined more than once? One definition is enough.

If it works in the unmodified code being defined more than once.....I don't get it either.