A patch from Kiran Gawde https://issues.apache.org/jira/browse/OFBIZ-4526 "ProductDetail page inStock check doesn't take into account Marketing Package" With http://localhost:8080/ecommerce/gizmo-basket-GZ-BASKET-p, for testing, set requireInventory="Y" for store. You will see 'Out of stock' for marketing package without the fix.