Index: MetaClassRegistryImpl.java
===================================================================
--- MetaClassRegistryImpl.java	(revision 6102)
+++ MetaClassRegistryImpl.java	(working copy)
@@ -49,6 +49,7 @@
 import groovy.lang.MetaClass;
 import groovy.lang.MetaClassRegistry;
 
+import java.lang.reflect.Constructor;
 import java.lang.reflect.Method;
 import java.security.AccessController;
 import java.security.PrivilegedAction;
@@ -114,6 +115,7 @@
         // groovy.runtime.metaclass.java.lang.ObjectMetaClass in the classpath
         
         //metaClasses.putStrong(Object.class, GroovySystem.getObjectMetaClass());
+        installMetaClassCreationHandle();        
    }
     
     private void registerMethods(final Class theClass, final boolean useInstanceMethods) {
@@ -310,4 +312,16 @@
     public List getStaticMethods() {
         return staticMethods;
     }
+    
+    private void installMetaClassCreationHandle() {
+	       try {
+	           final Class customMetaClassHandle = Class.forName("groovy.runtime.metaclass.CustomMetaClassCreationHandle");
+	           final Constructor customMetaClassHandleConstructor = customMetaClassHandle.getConstructor(new Class[]{});
+				 this.metaClassCreationHandle = (MetaClassCreationHandle)customMetaClassHandleConstructor.newInstance(new Object[]{});
+	       } catch (final ClassNotFoundException e) {
+	           this.metaClassCreationHandle = new MetaClassCreationHandle();
+	       } catch (final Exception e) {
+	           throw new GroovyRuntimeException("Could not instantiate custom Metaclass creation handle: "+ e, e);
+	       }    	
+    }
 }