Garry Boyce ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HV-1791 ( https://hibernate.atlassian.net/browse/HV-1791?atlOrigin=eyJpIjoiNWQ3N2Ri... ) Re: Cascading validation on list items is not invoked ( https://hibernate.atlassian.net/browse/HV-1791?atlOrigin=eyJpIjoiNWQ3N2Ri... ) What about if he used public final <T> Set<ConstraintViolation<T>> validate(T object, Class<?>... groups) This also doesn’t work because it does BeanMetaData<T> rootBeanMetaData = beanMetaDataManager.getBeanMetaData( rootBeanClass ); and then checks to see if the object ArrayList has constraints. It doesn’t so it doesn’t bother checking the items in ArrayList ( https://hibernate.atlassian.net/browse/HV-1791#add-comment?atlOrigin=eyJp... ) Add Comment ( https://hibernate.atlassian.net/browse/HV-1791#add-comment?atlOrigin=eyJp... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100217- sha1:fd7c927 )