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 > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > -- View this message in context: http://www.nabble.com/T5%2BHibernate%3A-Entity-class-id-variables-cannot-have-leading-underscores-tp20523653p20527276.html Sent from the Tapestry - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
