Re: simple question
Re: simple question
- Subject: Re: simple question
- From: Michael Engelhart <email@hidden>
- Date: Sun, 25 Sep 2005 18:24:15 -0500
very bizarre. Not sure why that worked but I tried all your
suggestions at once and one of them I guess worked! :-)
Thank you!
Mike
On 9/25/05, Helge Staedtler <email@hidden> wrote:
> hmm, seems like some nasty we-have-some-identical-project-somewhere,
> wo-does-not-even-recognize-you-edited-the-component-error because it works
> with files on the other end of your drive.
>
> I would try to eliminate all projects which carry the same name as the name
> of this project on your harddisk. or at least zip'em all. leave only this
> one project open. and try again (erase build-folder and so on).
>
> if that does not help, I would create a new project with a different name
> and copy only the component in question over to the new project (if your
> project isnt too large). this nearly always helped me. try to isolate the
> error in a new project. do not stick with the old project to find the error.
>
> sometimes also a restart of the machine helps you. because all possibly
> hung'up java-apps (perhaps some which still are in a while-loop) and
> crashed-WOBuilder-zombies are erased from the RAM.
>
> regards
> helge
>
>
> Am 25.09.2005 19:07 Uhr schrieb "Michael Engelhart" unter
> <email@hidden>:
>
> > Thanks helge -
> >
> > I've tried your suggestions and still get the same error. The
> > problem is that WebObjects isn't finding the instance variable for
> > some reason but it's finding the component??!
> >
> > Mike
> >
> > On 9/25/05, Helge Staedtler <email@hidden> wrote:
> >> hi.
> >>
> >> your method for reading the var should usually be named
> >>
> >> public String queryString() {
> >> return queryString;
> >> }
> >>
> >> instead of
> >>
> >> public String getQueryString() {
> >> return queryString;
> >> }
> >>
> >> this is widespread convention in webobjects-apps.
> >>
> >> you can also try to eliminate these methods completely and make the var
> >> "queryString" public. this should work immediately!
> >>
> >> so define e.g. the var as follows:
> >>
> >> public String queryString = null;
> >>
> >> regards,
> >> helge
> >>
> >>
> >>
> >>
> >> Am 25.09.2005 16:12 Uhr schrieb "Michael Engelhart" unter
> >> <email@hidden>:
> >>
> >>> Hi -
> >>>
> >>> I'm sorry to bug everyone with this probably dumb question but I'm not
> >>> sure what I'm doing wrong. I have Tiger running with WO 5.3 and
> >>> XCode 2.1. I've tried deleting my build directory and rebuildilng
> >>> and running so I don't think the problem is a corrupted build
> >>> directory. I think I'm just forgetting some basic tenet of
> >>> WebObjects but I can't figure out what.
> >>>
> >>> So, I create a new project with a single component called
> >>> CitySearchForm which is defined in code like this:
> >>>
> >>> import com.webobjects.foundation.*;
> >>> import com.webobjects.appserver.*;
> >>> import com.webobjects.eocontrol.*;
> >>> import com.webobjects.eoaccess.*;
> >>>
> >>> public class CitySearchForm extends WOComponent {
> >>>
> >>> protected String queryString;
> >>>
> >>> public CitySearchForm(WOContext context) {
> >>> super(context);
> >>> }
> >>>
> >>> public String getQueryString() {
> >>> return queryString;
> >>> }
> >>>
> >>> public void setQueryString(String newQueryString) {
> >>> queryString = newQueryString;
> >>> }
> >>>
> >>> public WOComponent doCitySearch() {
> >>> System.out.println(queryString);
> >>> return null;
> >>> }
> >>>
> >>> }
> >>>
> >>> The .wod looks like this:
> >>> CITY_SEARCH_FORM: WOForm {
> >>> }
> >>>
> >>> CITY_SEARCH_SUBMIT_BUTTON: WOSubmitButton {
> >>> action = doCitySearch;
> >>> }
> >>>
> >>> QUERY_STRING_TEXT_FIELD: WOTextField {
> >>> value = queryString;
> >>> }
> >>>
> >>>
> >>> I then add this component to my Main.wo in WOBuilder using the add
> >>> Custom element menu selection. But now when I run the application I
> >>> get this error:
> >>>
> >>> Error: com.webobjects.foundation.NSKeyValueCoding$UnknownKeyException:
> >>> [ valueForKey()]: lookup of unknown key: 'queryString'. This
> >>> WOComponent does not have an instance variable of the name queryString
> >>> or _queryString, nor a method of the name queryString, _queryString,
> >>> getQueryString, or _getQueryString
> >>>
> >>> Reason: [<com.webobjects.appserver.WOComponent name: CitySearchForm
> >>> subcomponents: null > valueForKey()]: lookup of unknown key:
> >>> 'queryString'. This WOComponent does not have an instance variable of
> >>> the name queryString or _queryString, nor a method of the name
> >>> queryString, _queryString, getQueryString, or _getQueryString
> >>>
> >>> Now I know I've been away from WO for a while but I know I've done
> >>> this before and it just worked out of the box. Did something change
> >>> in the 5.3 release or am I just forgetting some basic thing.
> >>>
> >>> Thanks for any help.
> >>>
> >>>
> >>> Mike
> >>> _______________________________________________
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> >>
> >>
> >>
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