model.add() method is added after BeanModel (variable model) is created
(inside the getRegisteredModel method). The display of the bean edit form at
the beginning is ok because I can see the Register html shown navigating to
the Register html page. However, the error occurs after clicking the submit
button (t:submitlabel="Register" ). The result throws
Caused by: java.lang.RuntimeException: Bean editor model for
example.domain.User already contains a property model for property
'account'.
at
org.apache.tapestry5.internal.beaneditor.BeanModelImpl.validateNewPropertyName(BeanModelImpl.java:87)
at
org.apache.tapestry5.internal.beaneditor.BeanModelImpl.add(BeanModelImpl.java:128)
at
org.apache.tapestry5.internal.beaneditor.BeanModelImpl.add(BeanModelImpl.java:79)
at org.jecommerce.pages.Register.getRegisterModel(Register.java:92)
at $PropertyConduit_12405b70484.get($PropertyConduit_12405b70484.java)
at
org.apache.tapestry5.internal.bindings.PropBinding.get(PropBinding.java:58)
... 74 more
Following is the code used
Register.java (Page class)
public class Register {
@Inject
private BeanModelSource beanModelSource;
@Property
private User user;
@InjectPage
private Index index;
@InjectPage
private Login login;
public BeanModel getRegisterModel(){
BeanModel model = beanModelSource.create(User.class, ...);
model.exclude("page");
model.add("account").label("Account").sortable(false);
model.reorder("account", "password", "name", "sex", "address");
return model;
}
Object onSuccess(){
...
return login;
}
}
Register.tml (View class)
<t:beaneditform t:submitlabel="Register" t:object="user" t:remove="page"
t:model="registerModel">
<t:parameter name="account">
<t:label for="Account"/>
<t:textField t:id="account" t:model="user"
t:value="user.account"
t:validate="required,regexp"/>
</t:parameter>
<t:parameter name="name">
<t:label for="Name"/>
<t:textField t:id="name" t:model="user"
t:value="user.name"
t:validate="required,minlength=5"/>
</t:parameter>
<t:parameter name="password">
<t:label for="Password"/>
<t:passwordField t:id="password" t:model="user"
t:value="user.password"
t:validate="required,minlength=2"/>
</t:parameter>
<t:parameter name="sex">
<t:label for="Sex"/>
<t:select t:id="sex" t:model="genders"
t:value="user.sex"
t:blankOption="never"/>
</t:parameter>
</t:beaneditform>
cordenier christophe wrote:
>
> When are you doing this add ?
>
> You error can be due for exemple to a multiple call to add() on a
> persistent
> variable.
>
> 2009/9/28 neo anderson <javadeveloper...@yahoo.co.uk>
>
>>
>>
>> Thanks for your reply. But when adding the method
>>
>> model.add("account").label("Account").sortable(false);
>>
>> The error occurrs after clicking the beaneditform button, the log shows
>> the
>> following exception:
>>
>> [ERROR] TapestryModule.RequestExceptionHandler Processing of request
>> failed
>> with uncaught exception: Failure reading parameter 'model' of component
>> Register:beaneditform: Bean editor model for example.domain.User already
>> contains a property model for property 'account'.
>> ...
>> ...
>> Caused by: java.lang.RuntimeException: Bean editor model for
>> example.domain.User already contains a property model for property
>> 'account'.
>> at
>>
>> org.apache.tapestry5.internal.beaneditor.BeanModelImpl.validateNewPropertyName(BeanModelImpl.java:87)
>> at
>>
>> org.apache.tapestry5.internal.beaneditor.BeanModelImpl.add(BeanModelImpl.java:128)
>> at
>>
>> org.apache.tapestry5.internal.beaneditor.BeanModelImpl.add(BeanModelImpl.java:79)
>> at
>> org.jecommerce.pages.Register.getRegisterModel(Register.java:92)
>> at
>> $PropertyConduit_1240259d749.get($PropertyConduit_1240259d749.java)
>> at
>> org.apache.tapestry5.internal.bindings.PropBinding.get(PropBinding.java:58)
>> ... 74 more
>>
>>
>> It looks like the BeanModel already contains the proerty account. I am
>> really confused because no matter I add or do not add a new property, the
>> exception will always be thrown. What place may I go wrong? Or is there
>> any
>> example I can check if anything I miss?
>>
>> Thank you very much.
>>
>>
>>
>> cordenier christophe wrote:
>> >
>> > To add a synthetic property, you only have to call add(propertyName) on
>> > the
>> > BeanModel.
>> >
>> > By setting the datatype on the resulting PropertyModel or by using
>> > t:parameter, you will be able to create the display for the
>> corresponding
>> > property in your beaneditform.
>> >
>> > 2009/9/28 neo anderson <javadeveloper...@yahoo.co.uk>
>> >
>> >>
>> >> It is the line where PropertyConduitSource (variable source.create()
>> ...
>> >> )
>> >> create synthetic property account as the following code.
>> >>
>> >> PropertyConduit accountProperty =
>> >> source.create(User.class,
>> >> "account");
>> >>
>> >> Is this the right way to create PropertyConduit? I tried to change it
>> >> using
>> >> String.class, but the error is the same (NullPointerException). I
>> think
>> >> there should have something I miss, but that's the method I found on
>> the
>> >> mailinglist. I am confused indeed.
>> >>
>> >>
>> >>
>> http://www.nabble.com/T5%3A-Working-with-BeanModel-td18231888.html#a18352011
>> >>
>> >>
>> >>
>> >>
>> >> ccordenier wrote:
>> >> >
>> >> > What corresponds to line 92 in your code ?
>> >> >
>> >> > -----Message d'origine-----
>> >> > De : neo anderson [mailto:javadeveloper...@yahoo.co.uk]
>> >> > Envoyé : lundi 28 septembre 2009 14:23
>> >> > À : users@tapestry.apache.org
>> >> > Objet : Re: Bean editor model for User already contains a property
>> >> model
>> >> > for property 'account'
>> >> >
>> >> >
>> >> >
>> >> > Now I use the folloing method to create synthetic property
>> >> >
>> >> > PropertyConduit accountProperty =
>> >> > source.create(User.class, "account");
>> >> > ClassPropertyAdapter cpa =
>> >> access.getAdapter(User.class);
>> >> > PropertyAdapter pa =
>> cpa.getPropertyAdapter("account");
>> >> > String dt = analyzer.identifyDataType(pa);
>> >> >
>> >> >
>> >>
>> model.add("account",accountProperty).dataType(dt).label("Account").sortable(false);
>> >> >
>> >> > However, it throws NullPointerException without further detail.
>> >> >
>> >> > Caused by: java.lang.NullPointerException
>> >> > at
>> >> > org.jecommerce.pages.Register.getRegisterModel(Register.java:92)
>> >> > at
>> >> > $PropertyConduit_12400839bf9.get($PropertyConduit_12400839bf9.java)
>> >> > at
>> >> >
>> >>
>> org.apache.tapestry5.internal.bindings.PropBinding.get(PropBinding.java:58)
>> >> > ... 91 more
>> >> >
>> >> > What additional information I need to provide (or anything is
>> missing)
>> >> so
>> >> > that it won't throw this error?
>> >> >
>> >> > Thanks for help.
>> >> >
>> >> >
>> >> >
>> >> > Thiago H. de Paula Figueiredo wrote:
>> >> >>
>> >> >> Em Wed, 23 Sep 2009 17:58:08 -0300, neo anderson
>> >> >> <javadeveloper...@yahoo.co.uk> escreveu:
>> >> >>
>> >> >>
>> >> >>> I have an domain object named User, in which it has a field called
>> >> >>> `account'. However, the User object only provide method
>> getAccount(),
>> >> >>> but does not
>> >> >>> provide method setAccount(String account).
>> >> >>
>> >> >> BeanModelSource (used when a BeanModel is needed and you don't
>> provide
>> >> >> one) ignores read-only properties. It doesn't care about fields,
>> just
>> >> >> about getters and setters.
>> >> >>
>> >> >>> In the page object e.g. Register, in which I build a BeanModel
>> using
>> >> >>> BeanModelSource.create(User.class, ...)
>> >> >>
>> >> >> This method is deprecated. use createDisplayModel() or
>> >> createEditModel()
>> >> >> instead.
>> >> >>
>> >> >>> 1.) in the Register page object, BeanModel does not use
>> >> >>> `BeanModel.add("account",null).label("Account").sortable(false)'
>> >> method
>> >> >>> to create account field.
>> >> >>>
>> >> >>> Error:
>> >> >>> aused by: java.lang.RuntimeException: Bean editor model for User
>> does
>> >> >>> not
>> >> >>> contain a property named 'account'. Available properties:
>> address,
>> >> >>> name,
>> >> >>> password, sex.
>> >> >>
>> >> >> You can't reorder a model using some property that doesn't exist.
>> >> >>
>> >> >>> Caused by: java.lang.RuntimeException: Bean editor model for User
>> >> >>> already
>> >> >>> contains a property model for property 'account'.
>> >> >>
>> >> >> You can't add the same property twice in the same model.
>> >> >>
>> >> >>> What is the correct way to add a column that the User object
>> doesn't
>> >> >>> provide get/set method at the same time?
>> >> >>
>> >> >> For BeanEditForm or BeanEditor, you'll need to provide your own
>> >> >> PropertyConduit to model.add(String property, PropertyConduit
>> >> conduit).
>> >> >>
>> >> >> --
>> >> >> Thiago H. de Paula Figueiredo
>> >> >> Independent Java consultant, developer, and instructor
>> >> >> http://www.arsmachina.com.br/thiago
>> >> >>
>> >> >>
>> ---------------------------------------------------------------------
>> >> >> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
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>> >> >>
>> >> >>
>> >> >>
>> >> >
>> >> > --
>> >> > View this message in context:
>> >> >
>> >>
>> http://www.nabble.com/Bean-editor-model-for-User-already-contains-a-property-model-for-property-%27account%27-tp25531292p25644707.html
>> >> > Sent from the Tapestry - User mailing list archive at Nabble.com.
>> >> >
>> >> >
>> >> >
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