Получение переполнения стека при включении запроса в валидатор Grails
-
18-09-2019 - |
Вопрос
altEmailAddress(blank: true, nullable: true, validator: {
if (it == null || it == '') {
return true
} else {
return (User.countByEmailAddress(it) > 0 && User.countByAltEmailAddress(it) > 0)
}
}
Трассировки стека:
Testcase: testFindValidEmailAddress took 0.429 sec Caused an ERROR null java.lang.StackOverflowError at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36) at com.clearlyINNOVATIVE.model.User$__clinit__closure7_closure13.doCall(User.groovy:36)
Решение
Вы должны использовать с помощью Newsession - см. http://adhockery.blogspot.com/2010/01/upgrading-grails-11-12.html
Редактировать: добавлено для 1.1.x:
Если вы еще не используете 1.2 и withNewSession () недоступны, вы можете подключить его сами в начальной загрузке:
import org.hibernate.Session
import org.springframework.orm.hibernate3.HibernateCallback
import org.springframework.transaction.support.TransactionSynchronizationManager
import org.springframework.orm.hibernate3.SessionHolder
import org.springframework.orm.hibernate3.HibernateTemplate
class BootStrap {
def grailsApplication
def sessionFactory
def init = { servletContext ->
for (domainClass in grailsApplication.domainClasses) {
domainClass.metaClass.static.withNewSession = { Closure callable ->
HibernateTemplate template = new HibernateTemplate(sessionFactory)
SessionHolder sessionHolder = TransactionSynchronizationManager.getResource(sessionFactory)
Session previousSession = sessionHolder?.session
try {
template.alwaysUseNewSession = true
template.execute({ Session session ->
sessionHolder.addSession(session)
callable(session)
} as HibernateCallback)
}
finally {
if (previousSession) {
sessionHolder.addSession(previousSession)
}
}
}
}
}
def destroy = {}
}
Не связан с StackOverflow