jodd-bean/src/main/java/jodd/introspector/PropertyDescriptor.java
protected FieldDescriptor findField(final String fieldName) {
		FieldDescriptor fieldDescriptor = classDescriptor.getFieldDescriptor(fieldName, true);

		if (fieldDescriptor != null) {
			return fieldDescriptor;
		}

		// field descriptor not found in this class
		// try to locate it in the superclasses

		Class[] superclasses = classDescriptor.getAllSuperclasses();

		for (Class superclass : superclasses) {

			ClassDescriptor classDescriptor = ClassIntrospector.get().lookup(superclass);

			fieldDescriptor = classDescriptor.getFieldDescriptor(fieldName, true);

			if (fieldDescriptor != null) {
				return fieldDescriptor;
			}
		}

		// nothing found
		return null;
	}
protected FieldDescriptor findField(final String fieldName) {
		FieldDescriptor fieldDescriptor = classDescriptor.getFieldDescriptor(fieldName, true);

		if (fieldDescriptor != null) {
			return fieldDescriptor;
		}

		// field descriptor not found in this class
		// try to locate it in the superclasses

		Class[] superclasses = classDescriptor.getAllSuperclasses();

		for (Class superclass : superclasses) {

			ClassDescriptor classDescriptor = ClassIntrospector.get().lookup(superclass);

			fieldDescriptor = classDescriptor.getFieldDescriptor(fieldName, true);

			if (fieldDescriptor != null) {
				return fieldDescriptor;
			}
		}

		// nothing found
		return null;
	}
Locates property field. Field is being searched also in all
superclasses of current class.