Hi Sam, thanks for your Help... It looks like it is my problem. I'll try it on the evening...
But this solutions produces the next question: Can tapestry handle if I provide an interface instead of a "normal" bean for values? For example: <input type="text" jwcid="@TextField" value="ognl:INterface.title"/> Marc Sam Gendler schrieb: > There's mention of this problem in the hibernate docs. It has to do > with the way hibernate uses proxy classes and object inheritance. The > long and the short of it is that in order to get things working > correctly, you need to make your domain objects implement interfaces > and then tell hibernate that the mapping file describes the interface, > but to instantiate classes of type InterfaceImpl. > > Here's the relevant page, which I only happened to stumble across > today. I have no direct experience with this problem, so I can't give > you a detailed description of the solution. Sorry. > > Section 19.1.3 is the one that interests you, I think. > > http://www.hibernate.org/hib_docs/v3/reference/en/html/performance.html > > --sam > > > On 3/12/06, Marc Ende <[EMAIL PROTECTED]> wrote: > >> Hi Andreas, >> >> I've tried the targetEntity but it doesn't solve the problem. What I've >> forgotten to mention >> is that the class "WohnungNeu" extends the class "Objekt". >> >> The used OneToOne relationship works perfectly. >> >> I've found a startingpoint. It seems to be hibernate not tapestry... >> >> Thanks for your help Andreas! >> >> Marc >> >> Andreas Bulling schrieb: >> >>> Hi Marc, >>> >>> I'm using annotations so perhaps you have to take a look at the >>> hibernate documentation to see how to define the same in the xml >>> mapping file. >>> >>> Perhaps you have to define something similar to this: >>> @ManyToMany(targetEntity = Person.class, mappedBy = "users", cascade = { >>> CascadeType.PERSIST, CascadeType.REMOVE }) >>> public List<Person> getPersons() >>> { >>> return persons; >>> } >>> >>> The important part is the "targetEntity" definition. >>> >>> I hope this helps. >>> >>> >>> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]