anybody can help ? ... On Thu, Dec 18, 2008 at 12:00 AM, CG <learn....@gmail.com> wrote: > I have implemented the GenericSelectModel as written in wiki > (http://wiki.apache.org/tapestry/Tapestry5HowtoSelectWithObjects) and > it worked fine. > However, recently I add a new Bean class and create a > GenericSelectModel for it , and the nightmare come. > > For other bean class , no problem. Only for this particular bean > class.(UnitMeasurement) > > After debugging .. > I found out that , in the function toClient(T object) , we suppose to > receive parameter object as a bean class instance . however, for this > UnitMeasurement class > the object is String type, more precise , is a toString() value for > the bean instance > > I hv checked whether I pass in the model and encoder correctly or not > , yes, it is correct. I really hv no idea to solve .. please help. > Thanks. > > > T5 version : 5.0.18 > > Rgds, > CG > > > Error > ==== > [toClient] obj : MaterialType: [id=1, type=R, description=Raw > Material, isProduced=false, isPurchased=true, isForSales=false, > isJIT=true, record status=A, session id=, create login=admin, create > app=, create timestamp=2008-09-30 21:27:09.0, modify login=admin, > modify app=MaterialTypeMaintenance, modify time=2008-10-06 21:44:51.0, > version=0] > [toClient] obj : MaterialType: [id=1, type=R, description=Raw > Material, isProduced=false, isPurchased=true, isForSales=false, > isJIT=true, record status=A, session id=, create login=admin, create > app=, create timestamp=2008-09-30 21:27:09.0, modify login=admin, > modify app=MaterialTypeMaintenance, modify time=2008-10-06 21:44:51.0, > version=0] > [toClient] obj : MaterialType: [id=2, type=S, > description=Semi-Finished Material, isProduced=true, > isPurchased=false, isForSales=false, isJIT=true, record status=A, > session id=, create login=admin, create app=, create > timestamp=2008-09-30 21:27:09.0, modify login=admin, modify > app=MaterialTypeMaintenance, modify time=2008-10-25 00:48:43.0, > version=0] > [toClient] obj : MaterialType: [id=3, type=F, description=Finished > Goods, isProduced=true, isPurchased=false, isForSales=true, > isJIT=false, record status=A, session id=, create login=admin, create > app=, create timestamp=2008-09-30 21:27:09.0, modify login=admin, > modify app=, modify time=2008-09-30 21:27:09.0, version=0] > [toClient] obj : MaterialType: [id=4, type=P, description=Phantom > Material, isProduced=true, isPurchased=false, isForSales=false, > isJIT=true, record status=A, session id=, create login=admin, create > app=, create timestamp=2008-10-02 22:28:33.0, modify login=admin, > modify app=MaterialTypeMaintenance, modify time=2008-10-25 00:51:09.0, > version=0] > [toClient] obj : MaterialType: [id=5, type=T, description=Trading > Material, isProduced=false, isPurchased=true, isForSales=true, > isJIT=false, record status=A, session id=, create login=admin, create > app=, create timestamp=2008-10-04 00:36:53.0, modify login=admin, > modify app=MaterialTypeMaintenance, modify time=2008-10-25 00:51:19.0, > version=0] > [toClient] obj : MaterialType: [id=6, type=C, description=Consumable > Material, isProduced=false, isPurchased=true, isForSales=false, > isJIT=false, record status=A, session id=, create login=admin, create > app=MaterialTypeMaintenance, create timestamp=2008-10-06 21:49:31.0, > modify login=admin, modify app=MaterialTypeMaintenance, modify > time=2008-10-25 00:51:29.0, version=0] > [toClient] obj : UOM: [id=1, record status=A, session id=1, create > login=manual, create app=manual, create timestamp=2008-12-15 > 00:00:00.0, modify login=manual, modify app=manual, modify > time=2008-12-15 00:00:00.0, version=1] > 23:43:23,759 ERROR [MaterialMaintenance] Render queue error in > BeforeRenderTemplate[MaterialMaintenance:uom]: Error reading property > 'id' of UOM: [id=1, record status=A, session id=1, create > login=manual, create app=manual, create timestamp=2008-12-15 > 00:00:00.0, modify login=manual, modify app=manual, modify > time=2008-12-15 00:00:00.0, version=1]: object is not an instance of > declaring class > org.apache.tapestry5.ioc.internal.util.TapestryException: Error > reading property 'id' of UOM: [id=1, record status=A, session id=1, > create login=manual, create app=manual, create timestamp=2008-12-15 > 00:00:00.0, modify login=manual, modify app=manual, modify > time=2008-12-15 00:00:00.0, version=1]: object is not an instance of > declaring class [at context:MaterialMaintenance.tml, line 60, column > 129] > at > org.apache.tapestry5.internal.structure.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:932) > at > org.apache.tapestry5.internal.structure.ComponentPageElementImpl.access$200(ComponentPageElementImpl.java:50) > at > org.apache.tapestry5.internal.structure.ComponentPageElementImpl$10.render(ComponentPageElementImpl.java:325) > at org.apache. > > Page class Code > ========== > uomsSelect = null; > materialTypesSelect = null; > uomsSelect = new > GenericSelectModel<UnitMeasurement>(uoms,UnitMeasurement.class,"shortForm","id",_access_uom); > materialTypesSelect = new > GenericSelectModel<MaterialType>(materialTypes,MaterialType.class,"typeDescription","id",_access); > > > > > > Tml template > ======== > <tr> > <th><t:label > t:for="MaterialType">MaterialType</t:label>:</th> > <td> <select t:type="select" > t:id="materialType" t:model="materialTypesSelect" > encoder="materialTypesSelect" t:value="materialType" /> </td> > </tr> > <tr> > <th><t:label t:for="UOM">Unit Of > Measurement</t:label>:</th> > <td> <select t:type="select" t:id="UOM" > t:model="uomsSelect" encoder="uomsSelect" t:value="UOM" /> </td> > </tr> >
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