diff -r -U 3 minecraft_server\net\minecraft\src\ItemMap.java minecraft_server_patched\net\minecraft\src\ItemMap.java
--- minecraft_server\net\minecraft\src\ItemMap.java	Fri Jan 13 17:46:22 2012
+++ minecraft_server_patched\net\minecraft\src\ItemMap.java	Fri Jan 13 17:37:00 2012
@@ -22,7 +22,6 @@
    }
 
    public MapData func_28023_a(ItemStack var1, World var2) {
-      "map_" + var1.func_21125_h();
       MapData var4 = (MapData)var2.func_28103_a(MapData.class, "map_" + var1.func_21125_h());
       if(var4 == null) {
          var1.func_28145_b(var2.func_28104_b("map"));
diff -r -U 3 minecraft_server\net\minecraft\src\RConThreadClient.java minecraft_server_patched\net\minecraft\src\RConThreadClient.java
diff -r -U 3 minecraft_server\net\minecraft\src\ThreadedFileIOBase.java minecraft_server_patched\net\minecraft\src\ThreadedFileIOBase.java
--- minecraft_server\net\minecraft\src\ThreadedFileIOBase.java	Fri Jan 13 17:45:20 2012
+++ minecraft_server_patched\net\minecraft\src\ThreadedFileIOBase.java	Fri Jan 13 17:37:00 2012
@@ -21,7 +21,9 @@
    }
 
    public void run() {
-      this.func_40509_b();
+      while (true) {
+         this.func_40509_b();
+      }
    }
 
    private void func_40509_b() {