backing out of fix for GRAILS-6219, caused failing functional tests. …

…Will reopen issue and schedule for 1.3.1

src/java/org/codehaus/groovy/grails/commons/AbstractGrailsClass.java

@@ -55,7 +55,7 @@ public abstract class AbstractGrailsClass implements GrailsClass {
     private final String propertyName;
     private final String logicalPropertyName;
     private final ClassPropertyFetcher classPropertyFetcher;
-    private final MetaClass grailsClassMetaClass;
+//    private final MetaClass grailsClassMetaClass;
 
     /**
      * <p>Contructor to be used by all child classes to create a
@@ -69,7 +69,7 @@ public AbstractGrailsClass(Class clazz, String trailingName) {
             throw new IllegalArgumentException("Clazz parameter should not be null");
         }
         this.clazz = clazz;      
-        this.grailsClassMetaClass = GrailsClassUtils.getExpandoMetaClass(clazz);
+//        this.grailsClassMetaClass = GrailsClassUtils.getExpandoMetaClass(clazz);
         this.fullName = clazz.getName();
         this.packageName = ClassUtils.getPackageName(clazz);
         this.naturalName = GrailsNameUtils.getNaturalName(clazz.getName());
@@ -277,7 +277,8 @@ public boolean hasProperty(String name) {
 	 * @return the metaClass
 	 */
 	public MetaClass getMetaClass() {
-		return grailsClassMetaClass;
+		return GroovySystem.getMetaClassRegistry().getMetaClass(clazz);
+//		return grailsClassMetaClass;
 	}
 
     public String toString() {