Hibernate one to many (Annotation)
Exception in thread "main" javax.validation.ConstraintViolationException: Validation failed for classes [com.mc.stock.Stock] during persist time for groups [javax.validation.groups.Default, ]
List of constraint violations:[
	ConstraintViolationImpl{interpolatedMessage='Code should not be larger than 10 characters', propertyPath=, rootBeanClass=class com.mc.stock.Stock, messageTemplate='Code should not be larger than 10 characters'}
]
	at org.hibernate.cfg.beanvalidation.BeanValidationEventListener.validate(BeanValidationEventListener.java:161)
	at org.hibernate.cfg.beanvalidation.BeanValidationEventListener.onPreInsert(BeanValidationEventListener.java:94)
	at org.hibernate.action.EntityInsertAction.preInsert(EntityInsertAction.java:178)
	at org.hibernate.action.EntityInsertAction.execute(EntityInsertAction.java:72)
	at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:273)
	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:265)
	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:184)
	at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321)
	at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:51)
	at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1216)
	at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:383)
	at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:133)
	at com.mc.App.main(App.java:43)