Re: Why can't I save an instance of this enterprise object?

my problem was simple -

"entityName" is a reserve word.

ouch - it took me a long time to figure that one out.

--matt

On 1/27/06, Jerry W. Walker <[email protected]> wrote:
> Hi, Matt,
>
> I've never seen this error, but it looks like you may not have
> defined abHistorySet as an Enterprise Object, that is, one which is
> entity based through an EOModel.
>
> Be sure you have an EOModel registered with the project in which
> there is an Entity that maps abHistorySet to some table in the database.
>
> It's also conventional to capitalize the first letter of classes (and
> Entities) in the form "AbHistorySet" and use the form "abHistorySet"
> for an instance of the class.
>
> If your abHistorySet corresponds to some table (or part thereof) in
> an existing database, EOModeler can generate an initial EOModel for
> you. If not, you will have to generate one from scratch.
>
> HTH.
>
> Regards,
> Jerry
>
> On Jan 27, 2006, at 12:07 AM, Matt Kime wrote:
>
> > i'm using some very basic code to create an save an enterprise object.
> > i've tried it with another object and it works fine. i've never see
> > the error below. does anyone know what causes it?
> >
> > many thanks,
> > matt
> >
> > protected abHistorySet testSet;
> >
> >     public exhibitionsOpening(WOContext context) {
> >         super(context);
> >
> >               testSet = new abHistorySet();
> >               session().defaultEditingContext().insertObject(testSet);
> >               session().defaultEditingContext().saveChanges();
> >
> > }
> >
> > Error:         java.lang.IllegalStateException: Unable to find entity for
> > object {values = {status = ; values = (); entityName = ; rowid = ;
> > dateCreated = ; entityID = ; }; this = ">"; }
> >
> > Reason:       Unable to find entity for object {values = {status =
> > <com.webobjects.foundation.NSKeyValueCoding$Null>; values = ();
> > entityName = <com.webobjects.foundation.NSKeyValueCoding$Null>; rowid
> > = <com.webobjects.foundation.NSKeyValueCoding$Null>; dateCreated =
> > <com.webobjects.foundation.NSKeyValueCoding$Null>; entityID =
> > <com.webobjects.foundation.NSKeyValueCoding$Null>; }; this =
> > "<abHistorySet abc94 <EOTemporaryGlobalID: 0 0 -64 -88 0 40 0 0 -61 85
> > 1 0 0 0 1 9 10 53 -14 -92 53 -42 -78 67>>"; }
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>
>
> --
> __ Jerry W. Walker,
>     WebObjects Developer/Instructor for High Performance Industrial
> Strength Internet Enabled Systems
>
>      [email protected]
>      203 278-4085        office
>
>
>
>