HibernateException: No Session found for current thread when GORM query moved into another domain class

Question

In grails, I have a Domain class and can be queried in BootStap.groovy

def xref = AppXref.find{user_nm == \'john\'}

However, once I moved

Answer 1

domain class methods are NOT transactional, so you have to make sure, that they are invoked in a TX-context: either put them in a service, or use .withTransaction{}

Answer 2

Adding @Transactional on the method worked for me.