/**
* Binding the zone parameter will cause any change of Select's
value to be handled as an Ajax request that updates
* the
* indicated zone. The component will trigger the event {@link
EventConstants#VALUE_CHANGED} to inform its
* container that Select's value has changed.
*
* @since 5.2.0
*/
@Parameter(defaultPrefix = BindingConstants.LITERAL)
private String zone;
I'd guess it's because select already has a parameter called "zone"?
Josh
2011/1/13 françois facon <fra.fa...@gmail.com>:
> Hi all
>
> Do you see any raison that could explain why tapestry
> search this kind of parameter in the form?
> Where is this strategie dfine?
>
> Regards
> François
>
> Le 10 janvier 2011 14:09, Facon François <francois.fa...@atosorigin.com> a
> écrit :
>
>> in Jumpstart the page
>> http://jumpstart.doublenegative.com.au/jumpstart/examples/javascript/ajaxselect1use
>> a mixin that declare a parameter called zone.
>>
>> /** * The zone to be updated by us. */ @Parameter(defaultPrefix =
>> BindingConstants.LITERAL, required = true)
>>
>> private String zone;
>>
>> this page works fine in 5.1.0.5 but in
>> 5.2.4<https://github.com/frafac-JumpStart/jumpstart-4.12.2/issues/#issue/34>an
>> exception occured
>>
>> An unexpected application exception has occurred.
>>
>> * org.apache.tapestry5.ioc.internal.OperationException
>>
>> Parameter(s) 'ZoneUpdater.zone' are required for
>> org.apache.tapestry5.corelib.components.Select, but have not been bound.
>>
>>
>>
>> location
>>
>> classpath:jumpstart/web/pages/examples/javascript/AJAXSelect1.tml,
>> line 14
>>
>> 9 <form t:type="form" t:id="searchCriteria" style="margin: 0">
>>
>> 10 <t:errors/>
>>
>> 11
>>
>> 12 <t:label for="carMake"/>:
>>
>> 13 <select t:type="select" t:id="carMake" t:model="carMakes"
>> t:blankLabel="Choose..."
>>
>> 14 t:mixins="zoneUpdater" t:clientEvent="change"
>> t:event="changeOfCarMake" t:zone="searchZone"></select>
>>
>> 15
>>
>> 16 <t:label for="carModel"/>:
>>
>> 17 <select t:type="select" t:id="carModel" t:model="carModels"
>> t:blankLabel="Choose..."
>>
>> 18 t:mixins="zoneUpdater" t:clientEvent="change"
>> t:event="changeOfCarModel" t:zone="searchZone"></select>
>>
>> 19
>>
>> trace
>>
>> o Constructing instance of page class
>> jumpstart.web.pages.examples.javascript.AJAXSelect1
>>
>>
>>
>> * org.apache.tapestry5.ioc.internal.util.TapestryException
>>
>> Parameter(s) 'ZoneUpdater.zone' are required for
>> org.apache.tapestry5.corelib.components.Select, but have not been bound.
>>
>>
>>
>> location
>>
>> classpath:jumpstart/web/pages/examples/javascript/AJAXSelect1.tml,
>> line 14
>>
>> Hide uninteresting stack framesStack trace
>>
>> o
>> org.apache.tapestry5.internal.structure.ComponentPageElementImpl.verifyRequiredParametersAreBound(ComponentPageElementImpl.java:1195)
>>
>> o
>> org.apache.tapestry5.internal.structure.ComponentPageElementImpl.containingPageDidLoad(ComponentPageElementImpl.java:830)
>>
>> o
>> org.apache.tapestry5.internal.structure.PageImpl.loaded(PageImpl.java:171)
>>
>> o
>> org.apache.tapestry5.internal.pageload.PageLoaderImpl$3.invoke(PageLoaderImpl.java:190)
>>
>> o
>> org.apache.tapestry5.internal.pageload.PageLoaderImpl$3.invoke(PageLoaderImpl.java:174)
>>
>> o
>> org.apache.tapestry5.ioc.internal.OperationTrackerImpl.invoke(OperationTrackerImpl.java:65)
>>
>> o
>> org.apache.tapestry5.ioc.internal.PerThreadOperationTracker.invoke(PerThreadOperationTracker.java:68)
>>
>> o
>> org.apache.tapestry5.ioc.internal.RegistryImpl.invoke(RegistryImpl.java:1063)
>>
>> o
>> org.apache.tapestry5.internal.pageload.PageLoaderImpl.loadPage(PageLoaderImpl.java:173)
>>
>> o
>> org.apache.tapestry5.internal.services.PageSourceImpl.getPage(PageSourceImpl.java:81)
>>
>> o
>> org.apache.tapestry5.internal.services.NonPoolingRequestPageCacheImpl.get(NonPoolingRequestPageCacheImpl.java:74)
>>
>> o
>> org.apache.tapestry5.internal.services.ComponentSourceImpl.getPage(ComponentSourceImpl.java:83)
>>
>> o
>> jumpstart.web.services.PageProtectionFilter.isAuthorisedToPage(PageProtectionFilter.java:89)
>>
>> o
>> jumpstart.web.services.PageProtectionFilter.handlePageRender(PageProtectionFilter.java:62)
>>
>> o
>> org.apache.tapestry5.internal.services.PageRenderDispatcher.dispatch(PageRenderDispatcher.java:45)
>>
>> o
>> org.apache.tapestry5.services.TapestryModule$RequestHandlerTerminator.service(TapestryModule.java:321)
>>
>> o
>> org.apache.tapestry5.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:26)
>>
>> o
>> org.apache.tapestry5.services.TapestryModule$4.service(TapestryModule.java:984)
>>
>> o
>> org.apache.tapestry5.services.TapestryModule$3.service(TapestryModule.java:974)
>>
>> o
>> org.apache.tapestry5.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:90)
>>
>> o
>> org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:90)
>>
>> o
>> org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:80)
>>
>> o
>> org.apache.tapestry5.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:85)
>>
>> o
>> org.apache.tapestry5.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:103)
>>
>> o
>> jumpstart.web.services.AssetProtectionFilter.service(AssetProtectionFilter.java:53)
>>
>> o
>> org.apache.tapestry5.services.TapestryModule$HttpServletRequestHandlerTerminator.service(TapestryModule.java:272)
>>
>> o
>> org.apache.tapestry5.internal.gzip.GZipFilter.service(GZipFilter.java:53)
>>
>> o
>> org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)
>>
>> o
>> org.apache.tapestry5.services.TapestryModule$2.service(TapestryModule.java:928)
>>
>> o
>> org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:147)
>>
>> If I change the parameter name to zoneName, the binding works fine.
>>
>> When debugging
>> public void bindParameter(String parameterName, Binding binding)
>>
>> {
>>
>> if (bindings == null)
>>
>> bindings = CollectionFactory.newCaseInsensitiveMap();
>>
>>
>>
>> bindings.put(parameterName, binding);
>>
>> }
>>
>> in see the value LiteralBinding[zone: searchZone] for parameterName zone
>>
>> the exception occured when isBinding is looking for parameter zone in
>> component searchCriteria
>>
>> which is a form
>>
>>
>>
>>
>>
>> François Facon
>> Responsable Equipe Web Platform
>>
>> O&D - Technical Direction <http://web-asset/0> - Atos Worldline
>>
>> We love Tapestry.
>> http://www.atosworldline.com/
>> Atos Worldline is an Atos Origin company: www.atosorigin.com
>>
>>
>>
>> [image: 132310]
>>
>>
>>
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