From b2ef2bed36096993074efcdd8a9a62ee342429d5 Mon Sep 17 00:00:00 2001
From: James Clarke <jrtc27@jrtc27.com>
Date: Tue, 2 Jul 2013 20:46:35 +0100
Subject: [PATCH] Fixed ClassCastException when loading ModLoader mods

---
 .../cpw/mods/fml/common/ModClassLoader.java     | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/fml/common/cpw/mods/fml/common/ModClassLoader.java b/fml/common/cpw/mods/fml/common/ModClassLoader.java
index 78ae96ebf..0c49b31c3 100644
--- a/fml/common/cpw/mods/fml/common/ModClassLoader.java
+++ b/fml/common/cpw/mods/fml/common/ModClassLoader.java
@@ -81,8 +81,21 @@ public class ModClassLoader extends URLClassLoader
 
     public Class<? extends BaseModProxy> loadBaseModClass(String modClazzName) throws Exception
     {
-        AccessTransformer transformer = (AccessTransformer)mainClassLoader.getTransformers().get(0);
-        transformer.ensurePublicAccessFor(modClazzName);
+        AccessTransformer accessTransformer = null;
+        for (IClassTransformer transformer : mainClassLoader.getTransformers())
+        {
+            if (transformer instanceof AccessTransformer)
+            {
+                accessTransformer = (AccessTransformer) transformer;
+                break;
+            }
+        }
+        if (accessTransformer == null)
+        {
+            FMLLog.log(Level.SEVERE, "No access transformer found");
+            throw new LoaderException();
+        }
+        accessTransformer.ensurePublicAccessFor(modClazzName);
         return (Class<? extends BaseModProxy>) Class.forName(modClazzName, true, this);
     }
 }