OneToOne and EL (Error during model data update.)

[conny.lundgren]

Im trying to make a simple page in seam, and i got a OneToOne in my pojos like this

Event 1 -- 1 EventDetail

The pojos are mapped

@Entity
@Name("event")
@Scope(SESSION)
public class Event implements Serializable {

 private Long eventId;

 @Id
 @GeneratedValue
 public Long getEventId() {
 return eventId;
 }

 @OneToOne
 public EventDetail getEventDetail() {
 return eventDetail;
 }
.. more getters/setters
}

@Entity
@Name("eventDetail")
public class EventDetail implements Serializable {

 private Long eventDetailId;
 private int cost;
 @Id
 @GeneratedValue
 public Long getEventDetailId() {
 return eventDetailId;
 }

 public int getCost() {
 return cost;
 }
..more getters/setters
 }

And my view

 <h:inputText id="username" value="#{event.name}" required="true"/>
 <h:inputText id="name" value="#{event.description}" required="true"/>

 <h:inputText id="cost" value="#{event.eventDetail.cost}"/>

Submitting this page gives the following error ""cost": Error during model data update."

Removing the event.eventDetail.cost saves the entity, I have tuned up the logging to debug but it doesn't give me any meaningfull error.

Any suggestion on this really trivial problem?

[gavin.king]

cost is of type int, but you don't have required=true on the inputText. I hope you are not trying to do something silly like thinking null==0.

[conny.lundgren]

cost is of type int, but you don't have required=true on the inputText. I hope you are not trying to do something silly like thinking null==0.

Setting required="true" gives the same result, and no I know that null isn't 0. :)

One thing to note is if I get to the eventDetail singlehanded (doing eventDetail.cost) It's invoked but that bypasses the relationship.

Im really stomped here,

[gavin.king]

The relationship must be null.