Hi,
This has nothing to do with Tapestry.
You have 2 options:
1) Use the @Column annotation on the _id field
@Id @GeneratedValue @Column(name="id")
private Long _id;
2) Annotate the accessor methods
/Serge
Bill Holloway wrote:
>
> To use the simplified page activation context for a hibernate entity
> page (e.g., onActivate(Person p)...), it looks like the entity class'
> primary key id field's name must match VERBATIM the text that follows
> the word "get" in the getter (and "set" in the setter, probably).
>
> I.e., this won't work:
>
> @Id @GeneratedValue
> private Long _id;
>
> public Long getId()
>
> This fails because getId is not named get_id. I normally use
> underscore prefixes for my instance variables. This is failing in
> HibernateEntityValueEncoder on this line:
>
> propertyAdapter =
> propertyAccess.getAdapter(this.entityClass).getPropertyAdapter(idPropertyName);
>
> It looks for an idPropertyName "_id" and doesn't find one because
> according to the getter/setter pattern, the name is "id". The
> propertyAdapter is then null which throws an NPE on line 79:
>
> Object id = typeCoercer.coerce(clientValue, propertyAdapter.getType());
>
> Bill in Austin
>
> --
> Without coding you have no product
> Without testing, no quality
> Without refactoring, no future
>
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